by Anthropic
Sonnet 4.5 is the best model in the world for agents, coding, and computer usage. It is also our most accurate and detailed model for long-running tasks, with enhanced knowledge in coding, finance, and cybersecurity. This model supports a thinking parameter to enable thinking requests in Claude mode.
Sonnet 4.5 is the best model in the world for agents, coding, and computer usage. It is also our most accurate and detailed model for long-running tasks, with enhanced knowledge in coding, finance, and cybersecurity. This model supports a thinking parameter to enable thinking requests in Claude mode.
claude-sonnet-4-5 has a 1,000,000 token context window.
On AIHubMix, claude-sonnet-4-5 costs $3.3 per million input tokens and $16.5 per million output tokens.
claude-sonnet-4-5 accepts text and image input.
claude-sonnet-4-5 supports thinking, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
claude-sonnet-4-5 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-4-5 — no other code changes needed.
claude-sonnet-4-5 is developed by Anthropic. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and…
Claude Sonnet 5 is the next generation of Anthropic's Sonnet model family. It is a…
Anthropic's most capable widely released model, for the most demanding reasoning and…
Claude Opus 4.8 is Anthropic’s newest and most powerful publicly available model. It is…
The claude-opus-4-8-think model has adaptive thinking mode pre-enabled; the default…
Claude Opus 4.7 is Anthropic’s latest and most powerful publicly available model. It has…
Use claude-sonnet-4-5 via the AIHubMix unified API — one interface for every major LLM.