Summary
Windsurf added Claude Opus 4.7 fast mode, positioning it as the same Opus 4.7 reasoning with roughly 2.5x faster output. The update gives Windsurf users a new throughput tier for coding and agent workflows without switching away from the editor.
What changed
Windsurf made Claude Opus 4.7 fast mode available in the product as a speed-optimized premium model option.
Why it matters
Coding tools are increasingly competing on how they package frontier models, not just which models they expose. Fast-mode availability changes the interaction style of longer agentic coding sessions inside the same workflow by trading price for throughput instead of forcing a tool switch.
Evidence excerpt
Windsurf says Claude Opus 4.7 fast mode is now available in the product with the full intelligence of Opus 4.7 and about 2.5x higher output speeds.