Anthropic: Claude Sonnet 4.6
Analysis Summary
Claude Sonnet 4.6 is Anthropic's Sonnet-tier flagship at the time of its release, with an intelligence index of 47.2 and a coding index of 63. It supports vision, file input, tool use, and function calling across a 1M token context window. Instruction following and long-context reasoning are strong, and the terminal bench score of 0.530 reflects reliable agentic performance.
For businesses, it is a strong all-rounder suited to software engineering assistance, autonomous agents, long-document analysis, and client-facing content generation. Anthropic's enterprise support, safety focus, and API reliability make it a trusted production choice. At $3 input and $15 output per million tokens, it sits at a mid-range price that balances capability and cost better than the Opus tier.
Succeeded by Claude Sonnet 5 in the family, but its capability profile remains competitive against non-Anthropic alternatives at this intelligence level. Recommended for teams wanting Anthropic reliability with strong reasoning and multimodal support at a lower cost than Opus.
Assessed July 10, 2026
Editorial notes
Claude Sonnet 4.6 from Anthropic leads on reasoning and coding for its tier, with a 1M token context window, vision, tool use, and reliable instruction following at a mid-range price.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Claude Sonnet 4.6 from Anthropic leads on reasoning and coding for its tier, with a 1M token context window, vision, tool use, and reliable instruction following at a mid-range price.
How Anthropic: Claude Sonnet 4.6 compares
Anthropic: Claude Sonnet 4.6 ranks #56 of 393 AI models we track for overall intelligence, #36 of 300 for agentic tasks. Its 1M-token context window is larger than 90% 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 technical. 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 Sonnet 4.6 cost your business?
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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 Sonnet 4.6 for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Anthropic: Claude Sonnet 4.6
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with..
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Frequently asked questions about Anthropic: Claude Sonnet 4.6
How much does Anthropic: Claude Sonnet 4.6 cost?
Anthropic: Claude Sonnet 4.6 costs $3.00 per million input tokens and $15.00 per million output tokens.
What is the context window of Anthropic: Claude Sonnet 4.6?
Anthropic: Claude Sonnet 4.6 has a context window of 1,000,000 tokens (1M).
What can Anthropic: Claude Sonnet 4.6 do?
Anthropic: Claude Sonnet 4.6 supports image/vision input, tool use, and function calling.
Who created Anthropic: Claude Sonnet 4.6?
Anthropic: Claude Sonnet 4.6 is developed by Anthropic and was released on February 17, 2026.
