ClaudeDevs(@ClaudeDevs):Opus 5.5 fast mode in the Claude Platform is no longer in research preview, and we’ve removed the waitlist! It’s the same Opus 5.5 but up to 2.5x faster, at $8 / $40 per million tokens. It's also available in Microsoft Foundry (Hosted on Azure), with Google Cloud coming soon. Fast mode in Claude Code remains unchanged, and uses extra usage credits. See our docs here: https://t.co/RikPqqIY0W

ClaudeDevs

@ClaudeDevs

Official updates for developers building with @ClaudeAI

Joined February 2026

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ClaudeDevs@ClaudeDevs

2026.10.15 20:09

Opus 5.5 fast mode in the Claude Platform is no longer in research preview, and we’ve removed the waitlist! It’s the same Opus 5.5 but up to 2.5x faster, at $8 / $40 per million tokens. It's also available in Microsoft Foundry (Hosted on Azure), with Google Cloud coming soon. Fast mode in Claude Code remains unchanged, and uses extra usage credits. See our docs here: