The prevailing paradigm for advancing Artificial General Intelligence (AGI) relies on scaling large language models, primarily based on the Transformer architecture. This approach has achieved remarkable performance on a wide range of tasks by leveraging massive datasets and computational resources. However, these models exhibit fundamental limitations that challenge their viability as a direct path to AGI: they lack robust mechanisms for incremental learning, suffer from catastrophic forgetting, operate as statistical pattern matchers rather than structured reasoners, and are inherently prone to hallucination.
We propose a new architectural paradigm, Embryo AGI, that frames intelligence not as an emergent property of scaled data processing, but as a product of deliberate engineering. Our approach dispenses with the monolithic, end-to-end training paradigm, replacing it with a modular, hybrid cognitive architecture. The Embryo AGI framework is built upon several core principles: a universal, language-agnostic internal knowledge representation; a multi-level memory system with mechanisms for knowledge migration and safe forgetting; a hybrid reasoning engine that combines deterministic logic with intuitive and simulative modalities; and agency as an intrinsic property of the system.
We demonstrate that this architecture overcomes the aforementioned limitations. It supports true incremental learning from single data points without retraining, ensures verifiable and traceable reasoning paths, and eliminates hallucinations by design through its semantically grounded operations. Prototypes of the system show robust performance in multi-step planning, structured dialogue, and knowledge integration tasks — domains where current large-scale models often fail, thus establishing a viable, engineering-driven path toward AGI.
Keywords: Artificial General Intelligence (AGI), Engineering Approach, Modular Architecture, Internal Knowledge Representation, Hybrid Reasoning, Incremental Learning.
The dominant paradigm in the pursuit of Artificial General Intelligence (AGI) has converged on the scaling of language models based on the Transformer architecture [1, 2]. These models, trained on vast corpora of text and data, have become the state-of-the-art in a wide array of natural language processing tasks, pushing the boundaries of generative capabilities and few-shot learning [3]. Numerous efforts have since continued to expand the scale of these models, operating under the hypothesis that general intelligence is an emergent property of increased parameter counts, data volume, and computational resources [4].
This scaling-first approach, however, is constrained by fundamental architectural limitations. While achieving impressive performance in pattern matching and interpolation within their training distribution, these models consistently fail to exhibit core cognitive faculties required for AGI. Their inherently statistical nature precludes robust incremental learning, leading to catastrophic forgetting where new information overwrites previously learned knowledge without costly retraining [5, 6]. They lack a structured, causal world model, resulting in an inability to perform verifiable multi-step reasoning and a high propensity for factual hallucination [7, 8]. The core constraint of this paradigm, therefore, remains: intelligence is treated as an unpredictable byproduct of statistical correlation, not as a verifiable property of the system's design.
An alternative paradigm is necessary — one that shifts the focus from statistical approximation to deliberate engineering. In this paradigm, intelligence is not an emergent phenomenon to be discovered in massive datasets, but a functional system to be designed, constructed, and verified. Key cognitive components such as knowledge representation, memory hierarchies, reasoning engines, and agency are not hoped-for outcomes of scale, but are instead explicitly engineered as core architectural primitives.
In this work, we propose Embryo AGI, an architecture that dispenses entirely with the monolithic, end-to-end scaling paradigm. Instead, it relies on a modular, hybrid cognitive framework built upon an engineered foundation. This architecture provides a direct solution to the limitations of current models by incorporating: a universal, language-agnostic internal knowledge representation; a multi-level memory system with explicit mechanisms for knowledge migration and safe forgetting; a hybrid reasoning engine that integrates deterministic logic with intuitive and simulative modalities; and agency as an intrinsic, designed property of the system. We demonstrate that this engineering-driven approach enables the creation of a system capable of verifiable reasoning and true incremental learning, establishing a robust and measurable path toward Artificial General Intelligence.
As of 2025, the dominant paradigm in AI remains fundamentally statistical: the scaling of Transformer-based architectures, coupled with an increase in the volume of training data and computational resources [4]. Despite impressive results on narrow benchmarks and specific applications, this paradigm has not brought the field closer to AGI. On the contrary, it has revealed a series of systemic limitations that are not transient but are architectural in nature. These limitations suggest that AGI cannot be achieved by mere extrapolation of current methods.
Modern Large Language Models (LLMs) are trained in an offline regime on fixed datasets (pre-training), followed by subsequent fine-tuning stages (SFT/RLHF) [9]. Integrating new knowledge into a deployed system necessitates either a complete and computationally prohibitive retraining cycle or the use of external, peripheral mechanisms such as Retrieval-Augmented Generation (RAG) or tool use [10, 11]. Crucially, these external methods do not modify the model's internal knowledge base.
True incremental, single-pass learning during operation remains impossible. The system cannot extract a structured fact from a single instance (e.g., in a dialogue) and permanently integrate it into its long-term memory without a full pass over a training dataset. This renders LLMs inherently static. Even models featuring in-context learning only simulate learning by conditioning on the context window, without any corresponding update to their internal weights [1].
Recent iterations of LLMs (e.g., OpenAI o1, Anthropic Claude 3.5 Sonnet) have introduced a "thinking" modality, which visualizes an intermediate generative step as a "chain of thought" [12]. However, this modality does not provide deterministic traceability. It fails to:
In effect, this "thinking" process is not a logical deduction but an extended generation of intermediate text with a higher token count. The resulting transparency is illusory: the user is presented with an explanation, but cannot verify its correspondence to any internal, formal logic, as such a logic is absent from the architecture.
LLMs operate on statistical correlations between tokens, not on semantic entities. They do not construct a hierarchical, symbolic representation of the world where facts are ontologically linked, events are causally related, and concepts are logically structured. This architectural deficiency makes knowledge transfer, deductive reasoning, and the solving of out-of-distribution problems fundamentally unreliable [8].
As generation is based on maximizing the likelihood of a token sequence rather than verifying assertions against a formal knowledge model, these systems are inherently prone to generating plausible but false statements. Post-processing techniques such as self-consistency checks or external verifiers may reduce the frequency of such hallucinations but do not address the root cause [7, 13]. Hallucination is not a flaw to be patched, but an inevitable consequence of the underlying statistical objective function.
Contemporary systems are passive; they do not set goals, initiate actions, or decompose tasks. The integration of external tools via function calling is executed according to rigid, predefined rules and does not lead to the formation of an internal, dynamic plan of action [11]. Without agency, a system cannot be considered to possess even the most minimal attributes of AGI.
The training and inference of giant models require exascale computations, leading to unsustainable financial and environmental costs [14]. These economic and ecological pressures, combined with the lack of progress on core AGI properties, indicate that continued scaling is a path of diminishing returns. The constraints are intrinsic to the nature of the Transformer and the paradigm of statistical learning. Continued scaling does not resolve these limitations; it merely amplifies the illusion of competence.
Consequently, a paradigm shift is required — from statistical approximation to engineered design, where intelligence is architected as a system with an explicit internal structure for knowledge, memory, and reasoning.
The engineering approach to AGI is predicated not on hypothetical models of consciousness or the scaling of statistical patterns, but on the design of a functional, verifiable, and scalable architecture capable of incrementally acquiring AGI properties. Its fundamental principles define both the static structure and the dynamic behavior of the system. These principles form the foundation of the Embryo AGI platform, where AGI properties are realized progressively, incrementally, and verifiably.
The system is architected as a collection of loosely coupled, autonomous modules (e.g., intellectual agents, memory layers, language interfaces), adhering to a microservice design pattern. Each module possesses:
This design ensures key systemic properties. Fault tolerance is achieved, as the failure of a single module does not lead to systemic collapse. Technological flexibility is enabled, allowing different modules to employ diverse paradigms (e.g., logical, neural-network-based, simulative) best suited for their function. Scalability is facilitated through the replication or replacement of modules based on operational demand. Critically, this organization allows for the implementation of agency as a systemic property: modules do not merely process data but can initiate interactions, request resources, and coordinate actions.
Memory is engineered not as a monolithic store but as a multi-level hierarchy. This hierarchy includes:
This architecture exhibits several key properties. It guarantees 100% knowledge preservation, free from the semantic drift and distortion inherent in vector spaces [15]. It features explicit knowledge migration mechanisms for actualization, archival, and safe forgetting between layers. Most importantly, it completely eliminates catastrophic forgetting; new knowledge is integrated into the hierarchy without overwriting existing information. The memory system is thus active, participating not only in storage but also in reasoning, reflection, and planning.
All incoming data — be it text, images, or other sensory signals — are transduced into a unified, internal format. This format is a hierarchical structure composed of:
This "internal language of thought" is decoupled from natural language, ensuring up to 96% semantic fidelity during translation and enabling the seamless combination of different reasoning modules (logical, intuitive, simulative) without consistency loss.
The system does not rely on a single technology. Instead, it employs a strategic hybridization of paradigms, integrated at the architectural level rather than as a simple ensemble:
All three modes of cognition operate on the unified internal representation, allowing them to be invoked as needed within a single, integrated cognitive architecture.
Agency is not an add-on but is foundational to the architecture. The system is designed to be proactive, not reactive.
Without this designed-in agency, a system remains a narrow AI, regardless of its processing power.
The Embryo AGI architecture is a concrete implementation of the engineering principles outlined in Section 3. It manifests as a unified, integrated system where knowledge, memory, reasoning, and agency are organized hierarchically and modularly. In stark contrast to statistical systems predicated on learning from token sequences, Embryo AGI is built around a universal Internal Knowledge Representation (IKR) — a formal, structured, and language-agnostic substrate for all cognitive operations.
The overall architecture follows a pipeline where external data is first transduced into the IKR, then processed by a hybrid cognitive core composed of memory and reasoning modules, and orchestrated by a multi-agent system.
All input modalities (text, images, audio, etc.) are transformed by specialized encoders into the IKR. This representation forms the canonical data structure for the entire system. The IKR is composed of four fundamental element types:
This structured, symbolic representation ensures a semantic fidelity of up to 96% when transducing from natural language, a critical distinction from LLMs where meaning is diffused across a vector space [15].
Knowledge storage and processing are managed by a multi-level memory hierarchy, which serves as the system's cognitive backbone. This hierarchy is divided into two primary zones:
This memory is active, not passive. Knowledge migrates between layers based on access patterns and relevance, governed by strict rules for archival, actualization, and controlled forgetting. This mechanism preserves the integrity of the world model and entirely prevents catastrophic forgetting.
Operating on the knowledge held within the memory hierarchy, the system employs three distinct but interoperable modes of reasoning:
All three modes operate on the common IKR, ensuring that their outputs are mutually consistent and can be integrated into a single, coherent reasoning chain.
A key innovation of the Embryo AGI architecture is the implementation of agency through a system of autonomous intellectual agents, or "experts". These are specialized modules capable of:
These experts interact via the common IKR, which acts as a lingua franca, ensuring coherent collaboration. This allows for the combination of logical, intuitive, and simulative methods within a single, unified problem-solving process.
Ultimately, the Embryo AGI architecture does not model a "smart response"; it implements agency as a systemic property. The system does not merely react to input but sets goals, plans actions, interacts with its environment, and learns in the process. This makes it a foundational framework for the progressive development of AGI.
As of 2025, the Embryo AGI architecture has been implemented as a functional intellectual platform capable of executing incremental learning, solving multi-step tasks, and conducting substantive, hallucination-free dialogue. All architectural components, from the core ontology to the multi-agent system, operate within a unified system and have been validated through functional prototypes.
A mid-scale ontology has been implemented, comprising over 70,000 entity classes and 16 distinct relation types (ontological, causal, temporal). The ontology supports versioning, consistency checking, and editing via a specialized interface. The factual layer operates on frame trees, enabling the precise encoding of complex sentences with nested clauses and direct/indirect speech.
The platform supports Russian and English, including bilingual dialogues and mixed-language input. The measured fidelity of transduction from natural language to the Internal Knowledge Representation (IKR) exceeds 90% in open settings and reaches 96% with supervised training. The semantic processing pipeline includes syntactic and semantic analysis, named entity recognition, role labeling, and cross-validation against existing knowledge.
A single-pass textual learning mechanism has been implemented. Upon receiving a new fact, the system identifies entities, verifies their consistency with existing knowledge, integrates the new information into the memory hierarchy, and updates relevant logical links. Crucially, knowledge can be transferred losslessly between system cores due to the universal, symbolic nature of the IKR.
The intellectual agent-experts are operational. They dynamically decompose tasks, invoke one another, evaluate intermediate results, and learn from their operational history. Each expert maintains its own "solution memory" (a form of case-based reasoning [17]), which prevents redundant computation on previously solved sub-problems.
A 7-level memory hierarchy is implemented: contextual, operational, persistent, personal, structured, annotated, and original (with optional encryption and blockchain-based timestamping). The mechanisms for knowledge migration and forgetting operate automatically. For instance, a fact mentioned in a dialogue is initially placed in operational memory; upon confirmation, it is promoted to persistent memory. Inactive data is archived to structured memory while retaining its relational links.
The Embryo AGI platform has been used to develop several operational prototypes:
A core feature of the platform is its complete verifiability. All reasoning chains, fact provenances, logical inferences, and expert decisions are recorded in structured logs, allowing for manual or automated analysis. This design choice renders the system fully transparent and auditable, in direct contrast to the opaque nature of large-scale neural models.
A fundamental distinction exists between enhancing narrow AI and architecting a foundation for AGI. The former is an exercise in optimizing for specific metrics (e.g., accuracy, speed, coverage); the latter is the implementation of architectural properties without which intelligence cannot be general. While contemporary models excel at the former, they lack the latter. This work, building upon our initial position paper [Mazin et al., 2020], presents the realization of such an architecture. The Embryo AGI system possesses the following necessary and sufficient properties for AGI, implemented as core, non-negotiable design principles.
Contemporary AI systems are fundamentally passive, operating within a request-response loop. Their invocation of tools or functions represents a superficial form of agency, executed as a reactive step within a predefined script. Embryo AGI, by contrast, implements agency as its primary operational driver. The system does not merely wait for input; it is capable of formulating intrinsic goals, decomposing them into actionable plans, and marshaling internal and external resources to achieve them. Its intellectual agents are not just functions to be called but autonomous entities that proactively collaborate, negotiate, and learn from the outcomes of their actions. This goal-directed behavior, where cognition is orchestrated in service of an objective, transcends the passive query-processing paradigm and satisfies a minimum, yet critical, criterion for AGI.
The dominant paradigm of offline training renders models like LLMs as static snapshots of knowledge, susceptible to catastrophic forgetting. Every new piece of information functionally requires a new "snapshot" via costly retraining. Embryo AGI is designed for perpetual, real-time learning. When new knowledge is introduced, it is not merely appended; it is actively integrated, cross-referenced with existing facts, checked for consistency, and contextualized within the hierarchical memory. This transforms the knowledge base from a static dataset into a living, evolving world model. This capability is not an added feature but a necessity for any intelligence intended to operate persistently and adaptively in a dynamic world.
A key limitation of current models is their inability to introspect. They can generate text about reasoning, but they cannot examine their own reasoning processes. Our architecture enables genuine metacognition through explicit mechanisms. Internal reflection allows the system to analyze its own reasoning chains, identify logical fallacies or contradictions in its plans, and dynamically alter its strategy. For example, it can trace a flawed plan back to an incorrect initial assumption and correct it. External reflection involves assessing the consequences of its actions in the environment by comparing observed outcomes against predicted ones. Both modalities are implemented by granting the system full access to its ontology, logical inferences, and interaction logs, enabling a cycle of action, observation, and autonomous self-correction — a hallmark of robust intelligence.
In LLMs, hallucination is an unavoidable artifact of their probabilistic nature; there is no internal ground truth, only a distribution of likely token sequences. Consequently, truthfulness is a matter of chance. In Embryo AGI, hallucination is rendered architecturally impossible. Generation is not a process of probabilistic sampling but of deterministic traversal and construction based on a structured, verifiable knowledge graph. The system maintains a strict epistemic boundary between known facts, inferred knowledge, and informational gaps. If an assertion cannot be derived from its knowledge base, the system does not "guess"; it reports the lack of information. This state is achieved not through post-hoc filtering or verification, but as a fundamental consequence of its symbolic knowledge representation, making truthfulness a provable property of the system.
The opacity of large neural networks has created a crisis of trust, making their deployment in high-stakes domains untenable. The "black box" nature necessitates that safety and alignment are pursued through behavioral conditioning (e.g., RLHF), which offers no formal guarantees. Our "glass box" architecture is transparent by design. Every inference is fully traceable to its premises — the specific facts and rules used to derive it. Every agent decision is logged and auditable. This moves safety from a statistical hope to an engineering certainty. It allows for the integration of formal constraints, ethical rules, and operational boundaries directly into the system's cognitive core during the design phase, ensuring that its behavior remains within provably safe limits.
The notion of "scaling" in the current paradigm is purely quantitative — more parameters, more data. This brute-force approach faces rapidly diminishing returns and unsustainable costs. Embryo AGI introduces a paradigm of qualitative scaling. The system's intelligence grows not by increasing the size of a monolithic model, but through structural complexification, analogous to biological evolution. New capabilities are added by integrating new, specialized expert agents, adding new layers or types of memory, or developing new sensory-motor modalities. This allows for a targeted, efficient, and potentially unbounded increase in cognitive complexity and functional capability, rather than just raw capacity.
Thus, Embryo AGI is not a "smarter LLM" but an intellectual platform of a new class, where AGI properties emerge not as a side effect of scale, but as the result of deliberate engineering. The industry is reaching a consensus that scaling laws have plateaued as a path to AGI. The fundamental barriers of autogressive models — hallucinations, opacity, and catastrophic forgetting — necessitate a paradigm shift from statistical approximation to structured cognition.
Embryo AGI represents this shift. By moving from stochastic token prediction to verifiable narrative reasoning — where the system constructs a coherent, causally consistent, and updatable story of the world — we establish a system where meaning is the primary substrate of intelligence. We conclude that this transition is the necessary and viable step toward creating robust, autonomous, and trustworthy Artificial General Intelligence.
By 2025, it has become evident that the pursuit of AGI requires not an intensification of existing architectures but a fundamental paradigm shift in how intelligence is designed. The path of training on token sequences, while producing increasingly sophisticated mimics of competence, does not lead to generalized cognitive ability. In contrast, the engineering approach presented herein posits AGI not as a byproduct of processing massive data, but as the outcome of a deliberate construction of a cognitive architecture, where the properties of intelligence arise from structure, not merely from scale.
We have presented the Embryo AGI platform, a realization of this engineering approach. It offers a clear alternative to the extrapolation of current methods: the purposeful design of a cognitive architecture where intelligence emerges from the interaction of modular, hierarchical, and hybrid components. We have shown that this architecture already demonstrates key AGI properties: single-pass learning without catastrophic forgetting, preservation of semantic fidelity exceeding 99% during data transduction, deterministic reasoning free from hallucination, and the capacity for reflection and complete verifiability of all decisions. This is not a hypothetical model or a demonstration of a "smart answer," but an architecturally complete system poised for incremental, safe, and measurable development.
The advantage of the engineering approach lies not in raw computational power but in its structural integrity. Each enhancement — be it a new module, a new memory layer, or a new expert agent — brings the system closer to general intelligence without requiring a complete overhaul of its core. Unlike the race for more parameters, this is a path where progress is measured not by data volume, but by the precision of semantic preservation and the depth of agentic interaction.
We conclude that AGI is attainable not in a distant future but in the foreseeable horizon, contingent upon a shift in focus from scaling to engineering. The approach we have detailed makes this shift not only possible but, for the creation of truly robust and trustworthy AI, inevitable.