Claude Opus 4.8
The current flagship of the Claude line. Opus 4.8 keeps the 1M-token context window and pushes further on agentic coding, long-horizon reasoning and tool-use reliability. Cached input is priced at $0.50/MTok.
Claude Opus 4.8 is a frontier AI model from Anthropic. It costs $5.000 per million input tokens and $25.000 per million output tokens (blended $11.000/M), with a 1,000,000-token context window.
- Agentic coding (Claude Code)
- 1M-token context
- Tool use & function calling
- Long-horizon reasoning
- Faithful to long instructions
- Engineering copilots
- Codebase-wide refactors
- Long-document Q&A
- Multi-step agent workflows
Benchmarks
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See all 18 →Frequently asked questions
How much does Claude Opus 4.8 cost?
Claude Opus 4.8 costs $5.000 per million input tokens and $25.000 per million output tokens, for a blended reference rate of $11.000 per million tokens.
What is Claude Opus 4.8's context window?
Claude Opus 4.8 supports up to 1,000,000 tokens of context in a single request.
What is Claude Opus 4.8 best for?
Claude Opus 4.8 is well suited to Agentic coding (Claude Code), 1M-token context and Tool use & function calling.
Who makes Claude Opus 4.8?
Claude Opus 4.8 is developed and served by Anthropic.