# Claude Opus 5.5 is available on OpenRouter

OpenRouter is offering AnthropicAI’s Claude Opus 5.5 with a 1 million-token context window at $4 per million input tokens and $20 per million output tokens, a rate it says is 20% lower per token than Opus 5.

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Source: OpenRouter · Published 9/22/2026, 09:54:50

Claude Opus 5.5 from AnthropicAI is available on OpenRouter. OpenRouter describes it as the first model in the Claude 5.5 family, with a 1 million-token context window, priced at $4 per million input tokens and $20 per million output tokens.

OpenRouter says the price is 20% lower per token than Opus 5, and that the model leads Opus 5 and Fable 5.1 on agentic coding, knowledge work, and computer use.

Tags: OpenRouter, Claude, AnthropicAI, Pricing

[View original post](https://x.com/OpenRouter/status/2102438921213014078)