Anthropic: Claude Opus 5.5 (anthropic/claude-opus-5.5) is a chat model from openrouter with a 1M-token context window; capabilities tools, vision, reasoning; input image, pdf, text; output text.
1MContext
128KMax output
$4$ / 1M in
Pricing
Input
$4 / 1M tokens
Output
$20 / 1M tokens
Currency
USD
Note
Indicative US list price — verify with the vendor.
Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-09-26.