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Claude 3.7 Sonnet — The World's First Hybrid Thinking Model Has Arrived

2026-01-21濱本

The pace of AI development is remarkable, with new models emerging daily. One that has attracted particular attention is Claude, developed by AI startup Anthropic. Anthropic has now released Claude 3.7 Sonnet — the world's first hybrid thinking model.

Claude 3.7 Sonnet — The World's First Hybrid Thinking Model Has Arrived
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The Pace of AI Development Is Remarkable

The pace of AI development is remarkable, with new models emerging daily. One that has attracted particular attention is Claude, developed by AI startup Anthropic. Anthropic has now released Claude 3.7 Sonnet — the world's first hybrid thinking model, expected to dramatically expand the possibilities of AI.

This article explains Claude 3.7 Sonnet's characteristics, how to use it, and how it compares to other thinking models. Whether you are interested in AI or looking to put it to work in your business, this is well worth reading.

Claude 3.7 Sonnet's Characteristics — The World's First Hybrid Thinking Model How to Use Claude 3.7 Sonnet and Key Tips Comparison with Other Thinking Models — vs. ChatGPT's O1 Model Summary Claude 3.7 Sonnet's Characteristics — The World's First Hybrid Thinking Model

The defining characteristic of Claude 3.7 Sonnet is that it is the world's first hybrid thinking model. Until now, AI models were broadly divided into two categories: short-term thinking models and reasoning-strategy models. Short-term thinking models generate output quickly in response to a given prompt, while reasoning-strategy models generate output by comparing and deliberating over multiple options — much like a human would.

Claude 3.7 Sonnet integrates these two models into one hybrid thinking model. In other words, it automatically selects the appropriate model based on the content of the prompt and generates its output accordingly. This means users no longer need to switch between models and can always obtain optimal results.

Claude 3.7 Sonnet Is Also Recognized as One of the Most Critical Thinking Models

Claude 3.7 Sonnet is also recognized as one of the most rigorous thinking models available. In benchmark tests, it has demonstrated performance surpassing the previous Claude 3.5 Sonnet and holds a high level of competitiveness compared to other companies' thinking models.

How to Use Claude 3.7 Sonnet and Key Tips

Claude 3.7 Sonnet is available on all plans offered by Anthropic, including the free plan. However, using Extended mode (the reasoning-strategy model) requires a paid plan subscription.

The method of use is very simple. On the Claude interface, select "Claude 3.7 Sonnet" and enter your prompt. Claude will then automatically select the appropriate model and generate the output.

In terms of tips, writing your prompt as specifically and clearly as possible is important. Vague expressions or incomplete information may prevent you from getting satisfactory results. Additionally, reviewing the output and providing follow-up prompts as needed will yield more refined results.

Comparison with Other Thinking Models — vs. ChatGPT's O1 Model

Comparison with Other Thinking Models — vs. ChatGPT's O1 Model

Currently, OpenAI's O1 model — embedded in ChatGPT — enjoys a high reputation as a reasoning-strategy-focused model. Let us compare Claude 3.7 Sonnet with the O1 model.

In comparison experiments, both models were given a variety of tasks requiring reasoning ability, including math problems and logic puzzles. The following tendencies were observed.

On math problems, the O1 model showed a slightly higher accuracy rate. However, Claude 3.7 Sonnet also performed well.

On logic puzzles, both models showed high accuracy rates. There were slight differences in how each model explained its answers.

Output Generation Speed Varied by Task

Output generation speed varied by task. Overall, the O1 model was somewhat faster.

Based on these results, at the current time the O1 model holds a slight edge. However, Claude 3.7 Sonnet has only just been released, and it has the potential to improve substantially through future updates. Moreover, by leveraging its unique strengths as a hybrid thinking model, there is every possibility that it will outperform the O1 model on specific tasks.

Claude 3.7 Sonnet is attracting considerable attention as the world's first hybrid thinking model. The ability to automatically switch between a short-term thinking model and a reasoning-strategy model is a major advantage for users.

While it may fall slightly short of ChatGPT's O1 model at the current stage, it delivers sufficiently high performance. Further evolution is expected through future updates.

When using AI in business, selecting the appropriate model based on the nature and purpose of the task is important. Claude 3.7 Sonnet is well worth considering as one of those options. The potential of AI is limitless. By making skillful use of Claude 3.7 Sonnet, let us drive business efficiency and innovation.

Reference

Reference: https://www.youtube.com/watch?v=MQugiXng1v0       https://www.youtube.com/watch?v=t3nnDXa81Hs

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