Anthropic: Claude 3.5 Sonnet
Analysis Summary
Claude 3.5 Sonnet is Anthropic's larger 3.5-generation model, combining text, image, and file input with tool use and function calling. Its 200K context window supports long documents, code repositories, detailed briefs, and multi-document analysis. The measured coding capability is stronger than the compact Haiku variant, while its language quality makes it suitable for polished client communication.
Design for Online could use Sonnet for editorial planning, content refinement, technical explanations, research synthesis, and coding assistance where reliability matters more than minimum token cost. It is also a practical choice for workflows that need both document understanding and external actions. The main limitation is price, particularly for high-volume generation, and newer models offer a stronger long-term capability path.
Adopt it for quality-sensitive content and mixed content-plus-coding workflows, while routing routine volume to a cheaper model.
Assessed September 7, 2026
Editorial notes
Claude 3.5 Sonnet provides strong general writing, multimodal document handling, tool use, function calling, and a 200K context window, with coding capability that remains useful despite premium pricing.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Claude 3.5 Sonnet provides strong general writing, multimodal document handling, tool use, function calling, and a 200K context window, with coding capability that remains useful despite premium pricing.
How Anthropic: Claude 3.5 Sonnet compares
Anthropic: Claude 3.5 Sonnet ranks #291 of 444 AI models we track for overall intelligence, #120 of 210 for coding. Its 200K-token context window is larger than 52% of the models we list. At $6.00 per million input tokens it is cheaper than 5% 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 content. The pulled-in intelligence 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 | $6.00 | $0.006000 |
| Output | $30.00 | $0.030000 |
What would Anthropic: Claude 3.5 Sonnet 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 803 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Anthropic: Claude 3.5 Sonnet for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Anthropic: Claude 3.5 Sonnet
New Claude 3.5 Sonnet delivers better-than-Opus capabilities, faster-than-Sonnet speeds, at the same Sonnet prices. Sonnet is particularly good at: - Coding: Scores ~49% on SWE-Bench Verified, higher than the last best score, and without any fancy prompt scaffolding
- Data science: Augments human data science expertise; navigates unstructured data while using multiple tools for insights
- Visual processing: excelling at interpreting charts, graphs, and images, accurately transcribing text to derive insights beyond just the text alone
- Agentic tasks: exceptional tool use, making it great at agentic tasks (i.e. complex, multi-step problem solving tasks that require engaging with other systems) #multimodal
Frequently asked questions about Anthropic: Claude 3.5 Sonnet
How much does Anthropic: Claude 3.5 Sonnet cost?
Anthropic: Claude 3.5 Sonnet costs $6.00 per million input tokens and $30.00 per million output tokens.
What is the context window of Anthropic: Claude 3.5 Sonnet?
Anthropic: Claude 3.5 Sonnet has a context window of 200,000 tokens (200K).
Is Anthropic: Claude 3.5 Sonnet good for coding?
On our coding benchmark index, Anthropic: Claude 3.5 Sonnet ranks #120 of 210 models, placing it in the broader range of the field for code generation and debugging.
What can Anthropic: Claude 3.5 Sonnet do?
Anthropic: Claude 3.5 Sonnet supports image/vision input, tool use, and function calling.
Who created Anthropic: Claude 3.5 Sonnet?
Anthropic: Claude 3.5 Sonnet is developed by Anthropic and was released on October 22, 2024.