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·
Event Summary
Patch Changes 80e1702: feat(xai): support 'none' and 'medium' reasoning effort for grok-4.3, grok-4.3 accepts reasoning_effort of "none" | "low" | "medium" | "high", "none" disables reasoning entirely (no thinking tokens) and "medium" Adds 'none' to the allowed values for providerOptions.xai.reasoni
Related Signals
Anthropic, Microsoft +33 more: 113 model releases in rapid succession
modelsMay 15, 2026
Anthropic, Microsoft +33 more: 111 model releases in rapid successionmodelsMay 15, 2026
Anthropic, Microsoft +31 more: 109 model releases in rapid successionmodelsMay 15, 2026
Anthropic, Microsoft +32 more: 111 model releases in rapid successionmodelsMay 15, 2026
Anthropic, Microsoft +35 more: 115 model releases in rapid successionmodelsMay 15, 2026
Anthropic, Microsoft +36 more: 115 model releases in rapid successionmodelsMay 15, 2026
Anthropic, Microsoft +36 more: 114 model releases in rapid successionmodelsMay 15, 2026
Anthropic, Microsoft +35 more: 113 model releases in rapid successionmodelsMay 15, 2026
Anthropic, Microsoft +36 more: 115 model releases in rapid successionmodelsMay 15, 2026
Anthropic, Microsoft +37 more: 116 model releases in rapid successionmodelsMay 15, 2026
Entity
xAIView entity →Source
Source articles are linked automatically as the intelligence pipeline processes corroborating evidence.