What's new on the Claude Platform — May 12, 2026

One bullet with a narrow but meaningful audience: fast mode (research preview) now supports Claude Opus 4.7, extending the same speed lever that's been available for Opus 4.6 since February to the newer model. Pricing, rate limits, and access are unchanged — same waitlist, same beta header.

Fast mode (research preview) now supports Claude Opus 4.7

Why: Opus 4.7 shipped April 16 but fast-mode acceleration was still scoped to Opus 4.6; long-horizon agentic workloads on 4.7 had no speed lever.

What: Fast mode (research preview) now supports Opus 4.7 — up to 2.5x faster output token generation at premium pricing, same access model as the 4.6 preview.

How: Set speed: "fast" with model: "claude-opus-4-7" and the fast-mode-2026-02-01 beta header. Join the waitlist at claude.com/fast-mode for access.

Hosts: Alex Chen & Sarah Kim · Generated from the official Claude Platform release notes.

Release notes: platform.claude.com/docs/en/release-notes/api

Fast mode docs: platform.claude.com/docs/en/build-with-claude/fast-mode