Pi v0.87.1 adds GPT-6 Sol and Luna via GitHub Copilot

Pi Changelog @PiChangelogOriginally posted 2026.09.23

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Pi v0.87.1 is out! Highlights: - Claude Opus 5.5, GPT-6 Sol, and GPT-6 Luna are now available through supported providers including GitHub Copilot - Claude Opus 5.5 on Anthropic includes adaptive thinking and a 1M context window - xAI sessions now default to Grok 4.7 Complete details in thread ↓