Checked fact 2422 Sep 2026Models and releases
Claude Opus 5.5 input pricing is $4 per million tokens
Toned down to what the source saysThe exact words it rests on
Input pricing: $4 / MTok
What the source said when we opened it, on 22 Sep 2026.
The source
https://platform.claude.com/docs/en/models/opus-5-5/overview
Checked
Checked by the notis newsroom on , against the source above.
In the story
Anthropic released Claude Opus 5.5 with a 1M-token context window 22 Sep 2026
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