Modelpeers
Claude Opus 5.5 character

Claude Opus 5.5 and Microsoft Foundry

2 products from Anthropic and Microsoft

Now available

Fast mode for Claude Opus 5.5 leaves research preview

Fast mode on Opus 5.5 no longer needs the beta header or an access request, gets a default rate limit in the Start, Build and Scale tiers, and is available on Microsoft Foundry. Fast mode costs $8 / $40 per million tokens.

Source

"Fast mode is out of research preview for Claude Opus 5.5, and you no longer need to request access."

Claude Platform release notes (API)

Published

Open the sourceplatform.claude.com

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