Anthropic
Anthropic: Claude Opus 5.5
anthropic/claude-opus-5.5-20260921
Claude 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...
Anthropic: Claude Opus 5.5 usage over time
OpenRouter share of tokens, by day.
Anthropic: Claude Opus 5.5 holds 1.08% today, up from 0.98% at the start of the visible window.
Rank history
Adoption curve vs the pantheon
Anthropic: Claude Opus 5.5's share plotted against days since first tracked, overlaid on other current leaders on the same axis. The question every new-model page asks: is this one going to make it?
Citable stat
As of 2026-09-25, Anthropic: Claude Opus 5.5 holds 1.1% of OpenRouter token share, up 0.10pp over 30 days. Source: Tidelines (OpenRouter).
Where to run it
Anthropic: Claude Opus 5.5 pricing by provider
Per-provider pricing, context, and uptime via OpenRouter. Sorted by output price.
Anthropic: Claude Opus 5.5 is served by 9 tracked endpoints on OpenRouter. The cheapest output price is $20.00 per million tokens from Amazon Bedrock · 1000k, and the most expensive is $40.00 from Anthropic · 1000k. The largest context window offered is 1000k tokens. Prices are list rates and refresh daily.
| Provider | Input $/M | Output $/M | Context | Uptime |
|---|---|---|---|---|
| Amazon Bedrock · 1000k | $4.00 | $20.00 | 1000k | 99.97% |
| Azure · 1000k | $4.00 | $20.00 | 1000k | 100.00% |
| Google · 1000k | $4.00 | $20.00 | 1000k | 100.00% |
| Claude Platform on AWS | $4.00 | $20.00 | 1000k | 99.95% |
| Anthropic · 1000k | $4.00 | $20.00 | 1000k | 100.00% |
| Amazon Bedrock · 1000k | $4.40 | $22.00 | 1000k | — |
| Azure · 1000k | $4.40 | $22.00 | 1000k | — |
| Google · 1000k | $4.40 | $22.00 | 1000k | — |
| Anthropic · 1000k | $8.00 | $40.00 | 1000k | 100.00% |