BREAKINGOpenAI closes $40B round at $340B valuation — largest private tech raise ever·MODELSAnthropic ships Claude Opus 4 with extended thinking and agentic capabilities·FUNDINGxAI raises $6B Series C led by Andreessen Horowitz for Grok infrastructure·REGULATIONEU AI Act enters full enforcement — high-risk systems must comply now·AGENTSGoogle DeepMind open-sources Gemini Agent Framework for autonomous task completion·RESEARCHStanford HAI: Enterprise AI adoption hits 78% globally, GenAI in production at 45%·WARNINGUS Senate passes AI Transparency Act — content labeling required at scale·PRODUCTMeta releases Llama 4 Maverick open-weight model rivaling proprietary alternatives·MODELSDeepSeek V3 scores within 2% of GPT-4o on MMLU at 1/10th the inference cost·FUNDINGMistral AI raises €600M Series B at €6B valuation for European AI sovereignty·BREAKINGOpenAI closes $40B round at $340B valuation — largest private tech raise ever·MODELSAnthropic ships Claude Opus 4 with extended thinking and agentic capabilities·FUNDINGxAI raises $6B Series C led by Andreessen Horowitz for Grok infrastructure·REGULATIONEU AI Act enters full enforcement — high-risk systems must comply now·AGENTSGoogle DeepMind open-sources Gemini Agent Framework for autonomous task completion·RESEARCHStanford HAI: Enterprise AI adoption hits 78% globally, GenAI in production at 45%·WARNINGUS Senate passes AI Transparency Act — content labeling required at scale·PRODUCTMeta releases Llama 4 Maverick open-weight model rivaling proprietary alternatives·MODELSDeepSeek V3 scores within 2% of GPT-4o on MMLU at 1/10th the inference cost·FUNDINGMistral AI raises €600M Series B at €6B valuation for European AI sovereignty·

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May 15, 2026Apple

Event Summary

Support for Codex CLI by skipping unsupported Responses tools (#23041) Support for Codex CLI by skipping unsupported Responses tools Warn on skipped Responses tools and preserve gpt-oss apply_patch rejection Revert gpt-oss apply_patch special handling macOS/iOS: macOS Apple Silicon (arm64) macOS App

modelsMay 18, 2026

Anthropic, Microsoft +33 more: 113 model releases in rapid succession

modelsMay 15, 2026

Anthropic, Microsoft +33 more: 111 model releases in rapid succession

modelsMay 15, 2026

Anthropic, Microsoft +31 more: 109 model releases in rapid succession

modelsMay 15, 2026

Anthropic, Microsoft +32 more: 111 model releases in rapid succession

modelsMay 15, 2026

Anthropic, Microsoft +35 more: 115 model releases in rapid succession

modelsMay 15, 2026

Anthropic, Microsoft +36 more: 115 model releases in rapid succession