claude-opus-5

by Anthropic

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis of charts and documents, complex office deliverables, and coordinating parallel subagents. The model maintains strong instruction following and tool use across extended tasks, while remaining effective at lower effort settings for workloads that prioritize latency and token efficiency.

API Pricing

Input$5 / 1M tokens
Output$25 / 1M tokens
Cache read$0.5 / 1M tokens

Specifications

Context window1,000,000 tokens
Modalitiestext, image
Featuresthinking, tool calling, structured outputs, long context, web
Endpointschat_completions, claude_api, responses

FAQ

What is claude-opus-5?

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis of charts and documents, complex office deliverables, and coordinating parallel subagents. The model maintains strong instruction following and tool use across extended tasks, while remaining effective at lower effort settings for workloads that prioritize latency and token efficiency.

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

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

How much does claude-opus-5 cost?

On AIHubMix, claude-opus-5 costs $5 per million input tokens and $25 per million output tokens. Cached input reads are billed at $0.5 per million tokens.

What modalities does claude-opus-5 support?

claude-opus-5 accepts text and image input.

What features does claude-opus-5 support?

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

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

claude-opus-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-opus-5 — no other code changes needed.

Who develops claude-opus-5?

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