Claude Opus 4.8 Fast Mode Preview Launches on GitHub Copilot

Claude Opus 4.8 with fast mode is now available in preview on GitHub Copilot, offering significantly faster output token speeds while maintaining the same intelligence. This update aims to improve coding assistance efficiency.

Topic: AI Coding Tools Source: GitHub Changelog · github.blog Published 2026-06-29 16:47 UTC Fetched 2026-06-29 21:17 UTC

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Why this is here: SOURCE-BACKED + 95 signal strength + high ranking score + source-backed + fresh within 24h.

Why it matters

Faster response times in AI coding tools can enhance developer productivity by reducing wait times without sacrificing output quality. This preview signals ongoing improvements in AI-assisted programming workflows.

AI-assisted summary based on listed sources.

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