claude-sonnet-5

by Anthropic

Claude Sonnet 5 is the next generation of Anthropic's Sonnet model family. It is a drop-in upgrade for Claude Sonnet 4.6 with three behavior changes: adaptive thinking is on by default, manual extended thinking now returns a 400 error (it was deprecated on Claude Sonnet 4.6), and setting sampling parameters (temperature, top_p, top_k) to non-default values returns a 400 error

API Pricing

Input$2 / 1M tokens
Output$10 / 1M tokens

Specifications

Context window1,000,000 tokens
Modalitiestext, image
Featuresthinking, tool calling, function calling, structured outputs
Endpointschat_completions, gemini_api, claude_api

FAQ

What is claude-sonnet-5?

Claude Sonnet 5 is the next generation of Anthropic's Sonnet model family. It is a drop-in upgrade for Claude Sonnet 4.6 with three behavior changes: adaptive thinking is on by default, manual extended thinking now returns a 400 error (it was deprecated on Claude Sonnet 4.6), and setting sampling parameters (temperature, top_p, top_k) to non-default values returns a 400 error

What is the context length of claude-sonnet-5?

claude-sonnet-5 has a 1,000,000 token context window.

How much does claude-sonnet-5 cost?

On AIHubMix, claude-sonnet-5 costs $2 per million input tokens and $10 per million output tokens.

What modalities does claude-sonnet-5 support?

claude-sonnet-5 accepts text and image input.

What features does claude-sonnet-5 support?

claude-sonnet-5 supports thinking, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.

How do I call claude-sonnet-5 via API?

claude-sonnet-5 is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to claude-sonnet-5 — no other code changes needed.

Who develops claude-sonnet-5?

claude-sonnet-5 is developed by Anthropic. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

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Use claude-sonnet-5 via the AIHubMix unified API — one interface for every major LLM.