Claude Opus 5.5
AvailableClaude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
- Context
- 1M tokens
- Max output
- 128K tokens
- Input / 1M tokens
- $4.00per 1M tokens
- Output / 1M tokens
- $20.00per 1M tokens
- Listed since
- Sep 22, 2026
Prices and model data from OpenRouter
Where it's availableProviders · 1
| Provider | Input / 1M tokens | Output / 1M tokens | Status |
|---|---|---|---|
| OpenRouter | $4.00 | $20.00 | Available |
Published benchmark results
From independent leaderboards, each credited to its publisher.