Anthropic makes Opus 5.5 fast mode available on Azure
Fast mode for Claude Opus 5.5 is now available in Claude on Microsoft Foundry for deployments hosted on Azure.
- Context
- 1M
- Max output
- 128K
- Input price
- $4.00
- Knowledge cutoff
- Jun 2026
Claude Developer Platform release notes ↗
Source: Claude Developer Platform release notes, checked Oct 15, 2026. Summarized from the provider’s announcement.