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AI & LLM

Jun 17, 2025

Jun 17, 2025

What is AI reasoning? And why do new models get more reasoning updates

AI reasoning goes beyond pattern recognition, it's about simulating logical thinking, decision-making, and inference. Learn why newer AI models prioritize reasoning updates and what this means for real-world performance.

As AI systems become increasingly sophisticated, the question of whether and how they can truly reason has moved from philosophical speculation to a practical engineering challenge.

AI reasoning represents one of the most important questions in artificial intelligence, demanding not just pattern recognition or information retrieval, but genuine problem-solving capabilities that can navigate complexity, uncertainty, and novel situations with something approaching human-like logic.

Especially with Apple’s latest research on the 'illusion of thinking,' which really shook up the AI space


The nature of reasoning

Understanding AI reasoning requires first examining what reasoning actually entails and why it's so challenging to replicate in machines.

Human reasoning

Human reasoning involves multiple interconnected processes: breaking down complex problems into manageable components, applying relevant knowledge and principles, considering multiple possibilities, weighing evidence, and drawing conclusions that go beyond the information explicitly provided.

We reason through analogies, learning from past experiences, and applying those lessons to new contexts. 

We engage in causal reasoning, understanding not just correlations but the underlying mechanisms that connect cause and effect. We perform counterfactual reasoning, imagining alternative scenarios and their implications. 

Just like human long-term memory helps us retain and recall meaningful experiences, companies are now working to build AI memory systems that follow similar principles to sort of add this layer of “human reasoning”.

The computational 

Translating these human capabilities into computational processes presents extraordinary challenges. Traditional computing excels at following explicit rules and processing structured data, but reasoning often involves ambiguity, incomplete information, and the need to make reasonable assumptions about unstated facts.

Early AI systems attempted to capture reasoning through symbolic logic and rule-based systems, but these approaches struggled with the complexity and messiness of real-world problems. 

Modern AI systems use statistical learning and pattern recognition, but this raises questions about whether they're truly reasoning or simply recognizing patterns in sophisticated ways.


Types of AI reasoning

AI reasoning manifests in multiple forms, each with distinct characteristics and computational requirements.

Deductive reasoning: from general to specific 

Deductive reasoning involves applying general principles to specific cases. If we know that all birds can fly (a general principle) and that robins are birds (a specific fact), we can deduce that robins can fly.

AI systems can perform deductive reasoning quite well when given explicit rules and structured knowledge bases. 

However, real-world deductive reasoning often requires handling exceptions, understanding context, and dealing with implicit information that makes it more challenging.

Inductive reasoning: from specific to general 

Inductive reasoning works in the opposite direction, observing specific instances to form general principles. After seeing many examples of birds flying, we might inductively conclude that birds generally have this capability.

Modern machine learning systems excel at certain forms of inductive reasoning, identifying patterns across large datasets to make generalizations. 

However, they often struggle with the kind of flexible, context-aware inductive reasoning that humans perform effortlessly, yet some companies try to get closer to building context awareness.

Abductive reasoning: finding the best explanation 

Abductive reasoning involves finding the most likely explanation for observed phenomena. 

When we see wet streets, we might abduce that it has been raining, even though other explanations (sprinklers, street cleaning) are possible.

This type of reasoning is particularly challenging for AI systems because it requires evaluating multiple possible explanations, understanding causality, and making judgments about likelihood based on incomplete information.

Analogical reasoning: learning from similarity 

Analogical reasoning applies knowledge from familiar situations to new, similar contexts. 

Understanding that atoms are like solar systems helps us reason about atomic structure, even though the analogy isn't perfect.

AI systems are beginning to demonstrate analogical reasoning capabilities, but they often struggle with the flexible, creative application of analogies that characterizes human reasoning.


The architecture of AI reasoning

Building AI systems capable of reasoning requires sophisticated architectures that can handle the complexity and flexibility of logical thought.

Symbolic reasoning systems 

Traditional AI reasoning relied heavily on symbolic representations and logical inference engines. These systems represent knowledge as explicit symbols and rules, then use formal logic to derive new conclusions.

Symbolic systems excel at certain types of reasoning, particularly when dealing with well-defined domains and explicit knowledge.

However, they struggle with ambiguity, incomplete information, and the common-sense knowledge that humans take for granted.

Neural reasoning networks 

Modern approaches attempt to embed reasoning capabilities within neural networks, creating systems that can learn to reason from examples rather than requiring explicit programming of logical rules.

These networks can capture complex patterns and relationships in data, enabling more flexible reasoning than traditional symbolic systems. 

However, their reasoning processes are often opaque, making it difficult to understand how they reach conclusions or to verify their reasoning steps.

Hybrid approaches 

Recognizing the limitations of purely symbolic or neural approaches, researchers are developing hybrid systems that combine the strengths of both. 

These might use neural networks to handle perception and pattern recognition while employing symbolic systems for logical inference.

Chain-of-thought processing 

Recent advances in large language models have demonstrated promising reasoning capabilities through chain-of-thought processing, where models explicitly work through problems step by step rather than jumping directly to conclusions.

This approach makes the reasoning process more transparent and often leads to better performance on complex problems. 

However, questions remain about whether this represents genuine reasoning or sophisticated pattern matching.


Challenges in AI reasoning

Despite significant progress, AI reasoning faces fundamental challenges that distinguish it from other AI capabilities.

Common-sense knowledge 

Human reasoning relies heavily on vast amounts of common-sense knowledge about how the world works. 

We know that objects fall when dropped, that people need to eat, that broken things usually don't work properly. This knowledge is so fundamental that we rarely think about it explicitly.

AI systems often lack this common-sense foundation, leading to reasoning errors that seem obvious to humans. 

Building systems with robust common-sense knowledge remains one of the most challenging aspects of AI reasoning.

Context and ambiguity 

Real-world reasoning often involves ambiguous information that must be interpreted based on context. The same statement might mean different things in different situations, and effective reasoning requires understanding these contextual nuances.

AI systems struggle with this contextual flexibility, sometimes applying reasoning in inappropriate contexts or failing to recognize when contextual factors should change their approach.

Uncertainty and incomplete information 

Human reasoning operates effectively under uncertainty, making reasonable assumptions when information is incomplete and updating conclusions as new evidence becomes available.

AI reasoning systems often struggle with this uncertainty, either requiring complete information before proceeding or making poorly calibrated assumptions about missing information.

Causal understanding 

True reasoning often requires understanding cause-and-effect relationships, not just correlations. 

Humans can reason about what would happen if conditions were different, understanding the mechanisms that connect causes to effects.

Many AI systems excel at identifying correlations but struggle with genuine causal reasoning, limiting their ability to predict the effects of interventions or understand the underlying mechanisms driving observed phenomena.


The evaluation challenge

Assessing AI reasoning capabilities presents unique challenges that go beyond traditional performance metrics.

While accuracy is important, effective reasoning also requires appropriate confidence calibration, transparent reasoning processes, and the ability to recognize the limits of one's knowledge.

AI systems might achieve high accuracy on reasoning tasks while still lacking genuine understanding or the ability to explain their reasoning in meaningful ways.

Evaluating reasoning requires examining not just whether AI systems reach correct conclusions, but whether they follow valid reasoning processes. 

A system might reach the right answer through flawed reasoning, which could lead to failures in new contexts.

True reasoning ability should transfer to new domains and contexts. Evaluating whether AI systems can apply their reasoning capabilities to novel situations provides insight into the depth and robustness of their reasoning abilities.

As AI reasoning capabilities improve, evaluating how effectively humans and AI systems can collaborate in reasoning tasks becomes increasingly important, especially following all the ethics and governance towards AI usage

This includes understanding when to trust AI reasoning and when human oversight is necessary.


Building the reasoning future

As AI reasoning capabilities continue to advance, the focus shifts from whether machines can reason to how we can develop reasoning systems that reliably serve human needs and values.

The most promising approaches combine the computational power of modern AI with careful attention to transparency, reliability, and human-AI collaboration. 

Rather than creating reasoning systems that replace human judgment, the goal is to develop AI that enhances human reasoning capabilities while maintaining appropriate human oversight and control.

The future of AI reasoning lies not in perfect logical machines, but in systems that can partner with humans in tackling complex problems, bringing computational power to bear on reasoning challenges while preserving the creativity, wisdom, and values that make human reasoning so remarkable.

This collaboration between human and artificial reasoning capabilities promises to unlock new possibilities for problem-solving, understanding, and expanding our collective ability to reason about and shape the world around us.

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