HUGE OpenAI DevDay LEAK! "o" AI Agent, Sonnet 5.5 BEATS GPT-6, MiniMax M3.1 OUT & More! AI NEWS

WorldofAISeptember 27, 202620:10

WorldofAI covers OpenAI DevDay leaks ahead of the 29 September event, unconfirmed Claude Sonnet 5.5 testing against GPT-6 Sol/Astra, Opus 5.5's 100,000-line Minecraft-style coding demo, and the MiniMax M3.1 Flash Preview release.

WorldofAI Sonnet 5.5 AI News

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🤖AI Summary

Covers leaked OpenAI DevDay previews and unconfirmed early tests pitting Claude Sonnet 5.5 against GPT-6 Sol, plus an Opus 5.5 demo building a 100,000-line game from scratch.

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Claude Opus 5.5

💡Key Takeaways

Unconfirmed testing claims show Claude Sonnet 5.5 outperforming GPT-6 Sol on some tasks; Anthropic has not announced a Sonnet 5.5 launch date.

Claude Opus 5.5 is shown building a 100,000+ line Minecraft-style game from scratch as an agentic-coding demo.

OpenAI DevDay leaks point to an always-on "o" agent and expanded Ultrafast API ahead of the 29 September event.

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