Anthropic: Claude Sonnet 5
Analysis Summary
Claude Sonnet 5 is Anthropic's high-capability Sonnet model, combining strong reasoning, coding, and agentic results with a 1M-token context window. It supports vision, file input, tool use, and function calling, which lets teams apply one model to code, documents, and image-informed workflows. Its measured profile supports demanding work rather than only routine text generation.
For an agency, Sonnet 5 is a strong option for coding assistants, multi-step tool workflows, long-document analysis, and polished client-facing content. The large context is useful for codebases and extensive briefs, while multimodal input broadens the kinds of source material it can handle. Pricing is above budget-tier models, particularly for output, so reserve it for work where its reasoning and flexibility matter and route routine volume to a cheaper tier.
Assessed September 23, 2026
Editorial notes
Claude Sonnet 5 pairs frontier reasoning and strong coding with tool use, vision, and a 1M-token context, making it a versatile choice for complex client workflows.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Claude Sonnet 5 pairs frontier reasoning and strong coding with tool use, vision, and a 1M-token context, making it a versatile choice for complex client workflows.
How Anthropic: Claude Sonnet 5 compares
Anthropic: Claude Sonnet 5 ranks #6 of 444 AI models we track for overall intelligence, #25 of 210 for coding, #22 of 192 for agentic tasks. Its 1M-token context window is larger than 82% of the models we list. At $2.00 per million input tokens it is cheaper than 18% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on business fit. The pulled-in value corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $2.00 | $0.002000 |
| Output | $10.00 | $0.010000 |
What would Anthropic: Claude Sonnet 5 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 804 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Anthropic: Claude Sonnet 5 for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Anthropic: Claude Sonnet 5
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,..
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Frequently asked questions about Anthropic: Claude Sonnet 5
How much does Anthropic: Claude Sonnet 5 cost?
Anthropic: Claude Sonnet 5 costs $2.00 per million input tokens and $10.00 per million output tokens.
What is the context window of Anthropic: Claude Sonnet 5?
Anthropic: Claude Sonnet 5 has a context window of 1,000,000 tokens (1M).
Is Anthropic: Claude Sonnet 5 good for coding?
On our coding benchmark index, Anthropic: Claude Sonnet 5 ranks #25 of 210 models, placing it in the top quartile of the field for code generation and debugging.
What can Anthropic: Claude Sonnet 5 do?
Anthropic: Claude Sonnet 5 supports image/vision input, tool use, and function calling.
Who created Anthropic: Claude Sonnet 5?
Anthropic: Claude Sonnet 5 is developed by Anthropic and was released on June 30, 2026.