Claude Opus 4
Claude Opus 4 sits in the frontier tier — built for high-capability reasoning, tool use, and long-form output where capability outweighs cost. Available via Anthropic. 200,000-token context. Frontier-tier pricing.
Claude Opus 4 is a multimodal AI model from Anthropic. It costs $15.000 per million input tokens and $75.000 per million output tokens (blended $33.000/M), with a 200,000-token context window.
- Strong general reasoning
- Tool use & function calling
- Long-form writing
- Production-grade reliability
- Multimodal: handles images alongside text
- Production assistants
- Long-document analysis
- Multi-step agent workflows
- Engineering copilots
Benchmarks
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See all 18 →Frequently asked questions
How much does Claude Opus 4 cost?
Claude Opus 4 costs $15.000 per million input tokens and $75.000 per million output tokens, for a blended reference rate of $33.000 per million tokens.
What is Claude Opus 4's context window?
Claude Opus 4 supports up to 200,000 tokens of context in a single request.
What is Claude Opus 4 best for?
Claude Opus 4 is well suited to Strong general reasoning, Tool use & function calling and Long-form writing.
Who makes Claude Opus 4?
Claude Opus 4 is developed and served by Anthropic.