Anthropic: Claude 3.7 Sonnet (thinking)
Analysis Summary
Claude 3.7 Sonnet (thinking) is the extended-reasoning variant of Anthropic's 3.7 Sonnet, activating a chain-of-thought mode that meaningfully lifts performance on hard reasoning, mathematics, and coding tasks. Benchmark scores show a clear step up over the standard variant, with stronger coding index, higher GPQA, and improved long-context reasoning. Tool use, function calling, and vision are all supported, making it one of the most capable all-round models in its generation.
For businesses, it is well-suited to complex analytical tasks, software engineering, agentic pipelines, and any workflow where reasoning depth matters. The 200K context window and vision support add further versatility. Its main trade-off is cost: at $3.00 input and $15.00 output, extended reasoning on long outputs can become expensive at scale.
Teams running high-value, low-volume tasks, such as contract analysis, technical research, or autonomous coding agents, will find the thinking mode a meaningful upgrade over the standard variant. Pair with a cheaper model for routine, high-volume calls.
Assessed July 10, 2026
Editorial notes
Claude 3.7 Sonnet (thinking) from Anthropic adds extended reasoning to an already capable multimodal base, with strong coding, agentic performance, and reliable instruction following across a 200K context window.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Claude 3.7 Sonnet (thinking) from Anthropic adds extended reasoning to an already capable multimodal base, with strong coding, agentic performance, and reliable instruction following across a 200K context window.
How Anthropic: Claude 3.7 Sonnet (thinking) compares
Anthropic: Claude 3.7 Sonnet (thinking) ranks #106 of 393 AI models we track for overall intelligence, #67 of 157 for coding, #107 of 300 for agentic tasks. Its 200K-token context window is larger than 63% of the models we list. At $3.00 per million input tokens it is cheaper than 11% of comparable models.
Dark bar = input Ā· light bar = output, scaled to the priciest peer.
1M tokens ā 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on value. The pulled-in content corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side āPricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $3.00 | $0.003000 |
| Output | $15.00 | $0.015000 |
What would Anthropic: Claude 3.7 Sonnet (thinking) cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 612 models ā Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Anthropic: Claude 3.7 Sonnet (thinking) for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Anthropic: Claude 3.7 Sonnet (thinking)
Claude 3.7 Sonnet is an advanced large language model with improved reasoning, coding, and problem-solving capabilities. It introduces a hybrid reasoning approach, allowing users to choose between rapid responses and..
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Frequently asked questions about Anthropic: Claude 3.7 Sonnet (thinking)
How much does Anthropic: Claude 3.7 Sonnet (thinking) cost?
Anthropic: Claude 3.7 Sonnet (thinking) costs $3.00 per million input tokens and $15.00 per million output tokens.
What is the context window of Anthropic: Claude 3.7 Sonnet (thinking)?
Anthropic: Claude 3.7 Sonnet (thinking) has a context window of 200,000 tokens (200K).
Is Anthropic: Claude 3.7 Sonnet (thinking) good for coding?
On our coding benchmark index, Anthropic: Claude 3.7 Sonnet (thinking) ranks #67 of 157 models, placing it in the broader range of the field for code generation and debugging.
What can Anthropic: Claude 3.7 Sonnet (thinking) do?
Anthropic: Claude 3.7 Sonnet (thinking) supports image/vision input, tool use, and function calling.
Who created Anthropic: Claude 3.7 Sonnet (thinking)?
Anthropic: Claude 3.7 Sonnet (thinking) is developed by Anthropic and was released on February 24, 2025.
