NAVIGATION

What is Chain of Thought?

Definition

Chain of Thought

Chain of Thought (CoT) prompting is a technique that instructs Large Language Models to write down their step-by-step reasoning process before outputting the final answer. This improves performance on complex reasoning, math, and logic tasks.

Why It Matters for AI Builders

Helps AI builders design and scale robust architectures; mastering the implementation of Chain of Thought improves latency, accuracy, and operational efficiency for reasoning optimization, complex math solving, and software engineering prompts.

Detailed Deep Dive

Chain-of-Thought (CoT) prompting is an in-context learning technique that encourages Large Language Models to generate intermediate reasoning steps before arriving at a final answer. By explicitly structuring the output to "think step-by-step," the model decomposes complex arithmetic, logical, and multi-step reasoning problems into manageable components. This reasoning phase significantly improves accuracy and provides an auditable explanation of the AI's logic.

Advertisement

Frequently Asked Questions

Q:Why does Chain of Thought work?

Because LLMs generate text token-by-token. Giving them "thinking tokens" allows them to compute intermediate steps before finalizing their output, reducing errors.

Q:What is zero-shot Chain of Thought?

Simply adding the phrase "Let's think step by step" to the prompt, which triggers reasoning behaviors in the model.

Quick Facts

  • CategoryPrompt Engineering
  • Key ApplicationReasoning optimization, complex math solving, and software engineering prompts

Coverage Trend12 Weeks

12w agoToday

Cite This Term

Reference this definition in your articles, research, or documentation to credit this source:

[Chain of Thought | SPIDITS Glossary](https://spidits.com/ai-glossary/chain-of-thought)

Chain of Thought Media Coverage & Intelligence

No Direct Chain of Thought News Today

We currently have no direct coverage articles matching "Chain of Thought". Explore trending global AI topics below instead.

Trending AI Stories

AWS ML BlogSep 8, 2026

Benchmarking small LLM inference on SageMaker AI: G7 vs G5 and G6

Benchmark two 30B Mixture-of-Experts models, Qwen3-Coder-30B and NVIDIA Nemotron-3-Nano-30B, across G5, G6, G6e, and G7 GPU instances on Amazon SageMaker AI...

AWS ML BlogSep 8, 2026

Pathway's brain-inspired architecture development on Amazon SageMaker HyperPod

Pathway's Baby Dragon Hatchling (BDH) is a brain-inspired, post-transformer architecture that reasons in latent space instead of emitting chain-of-thought...

OpenAI BlogSep 8, 2026

How GPT-5.6 Sol helps run quantum computing experiments

See how an MIT researcher uses GPT-5.6 Sol with Codex to autonomously run quantum computing experiments, analyze results, and calibrate qubits.

AWS ML BlogSep 8, 2026

Take on your most ambitious work with GPT-6 Astra on Amazon Bedrock

GPT-6 Astra from OpenAI is now generally available on Amazon Bedrock. It brings deeper reasoning and sharper judgment to your most demanding tasks, running...