Model · OpenRouter

Anthropic/Claude Opus 5.5

Name: Claude Opus 5.5
Author: Anthropic

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...

View on OpenRouterReport an issue

Author / organization	Anthropic
Access	Hosted API (no weights listed here)
Price per million tokens	$4 in · $20 out
Context window	1,000,000 tokens
Task	image-text-to-text
Created	22 September 2026
Last updated at source	—

image-text-to-texthostedreasoningtool-use

Embed this entry

<iframe src="https://silytics.si/embed/item/5780081e-51b5-4ed0-aac0-cce9fb65a3dd" width="420" height="190" style="border:0" loading="lazy" title="Silytics entry"></iframe>

Free, no tracking. More about feeds and embeds.

Popularity, last 4 days

0 now. Counts as reported by the source, snapshotted daily by Silytics.

Price and speed history

USD per million tokens

InputOutput

More from Anthropic

Silytics shows public metadata from OpenRouter and links to the original. Information may be incomplete or out of date. Last refreshed 18 October 2026. Licenses and terms of the original apply to the work itself. Not financial, legal or professional advice.