Claude Opus by Anthropic
Model family · Model APIs & inference · indexed, not reviewed
on OpenRouter
Not reviewed
No score, grade or rank. This listing is facts from OpenRouter and our own checks, and it stays out of the rankings until the panel reviews it.
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...
Some of these models are reviewed as part of Claude API.
Facts
- Maker
- Anthropic
- Models
- 7 on OpenRouter
- Newest
anthropic/claude-opus-5.5
Why it's listed
- OpenRouter lists it, with prices from the providers that serve it.
Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.
Models 7
| Model | Released | Context | Input / 1M | Output / 1M | Supports |
|---|---|---|---|---|---|
Claude Opus 5.5anthropic/claude-opus-5.5 | Sep 2026 | 1M | $4 | $20 | tools, structured output, reasoning, caching, file, image |
Claude Opus 5anthropic/claude-opus-5 | Jul 2026 | 1M | $5 | $25 | tools, structured output, reasoning, caching, file, image |
Claude Opus 4.8anthropic/claude-opus-4.8 | May 2026 | 1M | $5 | $25 | tools, structured output, reasoning, caching, file, image |
Claude Opus 4.7anthropic/claude-opus-4.7 | Apr 2026 | 1M | $5 | $25 | tools, structured output, reasoning, caching, file, image |
Claude Opus 4.6anthropic/claude-opus-4.6 | Feb 2026 | 1M | $5 | $25 | tools, structured output, reasoning, caching, file, image |
Claude Opus 4.5anthropic/claude-opus-4.5 | Nov 2025 | 200k | $5 | $25 | tools, structured output, reasoning, caching, file, image |
Claude Opus 4.1anthropic/claude-opus-4.1 | Aug 2025 | 200k | $15 | $75 | tools, reasoning, caching, file, image |
Prices and limits as OpenRouter lists them, in dollars per million tokens; a provider's own price can differ.