Claude Opus 4.6

language modelAnthropic

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...

Key facts

Made byAnthropic
Typelanguage model
ReleasedFebruary 4, 2026
Reads at once1,000,000 tokens
Price (API, per million tokens)$5 in · $25 out
Input → outputtext, image, file → text

Questions about Claude Opus 4.6

Who makes Claude Opus 4.6?

Claude Opus 4.6 is made by Anthropic.

When was Claude Opus 4.6 released?

We first saw Claude Opus 4.6 listed on February 4, 2026.

How much does Claude Opus 4.6 cost?

Through OpenRouter it costs $5 per million input tokens and $25 per million output tokens. Prices change, so check the provider before you build on it.

How much text can Claude Opus 4.6 read at once?

Up to 1,000,000 tokens, roughly 750K words.

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Modelcast collects this page automatically from public sources (OpenRouter). Facts are copied from those sources, not written by the maker. Not affiliated with Anthropic.