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, tools, structured_outputs, long_context, web
Endpointschat_completions, claude_api, responses

More from Anthropic

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