Claude Opus 5

claude-opus-5 · 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

Context1M tokens
Max output128K tokens
Modalitiestext, image, PDF
CapabilitiesThinking, Streaming, Tool calling, Web search, Code interpreter, Computer use, Memory tool, Structured outputs, Citations, Prompt caching
Endpointschat_completions, claude_api, responses

Frequently asked questions

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. It supports up to 128,000 output tokens.

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, image and PDF input.

What capabilities does claude-opus-5 support?

claude-opus-5 supports thinking, tool calling, structured outputs, long context and web search. 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 created 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.