Claude Opus 5.5
Claude Opus 5.5 (upstream claude-opus-5-5), Anthropic's model for long-running agentic coding and knowledge work: 1M-token context, 128K max output, text and image input. Adaptive thinking is always on, with depth set by effort (default medium), and forced tool use is not supported.
anthropic/claude-opus-5.5
Pricing
billed per token
| Tier | Price |
|---|---|
| Input | $4.20 / 1M tokens |
| Output | $21 / 1M tokens |
| Cached input | $0.21 / 1M tokens |
| Cache write 5m | $5.25 / 1M tokens |
| Cache write 1h | $8.40 / 1M tokens |
Per-model pricing
Transparent, usage-based rates for every Anthropic model.
Claude Fable 5
LLM
Input$10.50 / 1M tok
Output$52.50 / 1M tok
Cached input$1.05 / 1M tok
Cache write 5m$13.125 / 1M tok
Cache write 1h$21 / 1M tok
Claude Sonnet 5
LLM
Input$3.15 / 1M tok
Output$15.75 / 1M tok
Cached input$0.315 / 1M tok
Cache write 5m$3.938 / 1M tok
Cache write 1h$6.30 / 1M tok
Claude Opus 5
LLM
Input$5.25 / 1M tok
Output$26.25 / 1M tok
Cached input$0.525 / 1M tok
Cache write 5m$6.563 / 1M tok
Cache write 1h$10.50 / 1M tok
Anthropic Claude Fable 5.1
LLM
Input$10.50 / 1M tok
Output$52.50 / 1M tok
Cached input$0.263 / 1M tok
Cache write 5m$13.125 / 1M tok
Cache write 1h$21 / 1M tok
Anthropic Claude Haiku 4.5
LLM
Input$1.05 / 1M tok
Output$5.25 / 1M tok
Cached input$0.105 / 1M tok
Cache write 5m$1.313 / 1M tok
Cache write 1h$2.10 / 1M tok
Anthropic Claude Sonnet 5.5
LLM
Input$2.10 / 1M tok
Output$10.50 / 1M tok
Cached input$0.21 / 1M tok
Cache write 5m$2.625 / 1M tok
Cache write 1h$4.20 / 1M tok
Claude Opus 5.5
LLM
Input$4.20 / 1M tok
Output$21 / 1M tok
Cached input$0.21 / 1M tok
Cache write 5m$5.25 / 1M tok
Cache write 1h$8.40 / 1M tok