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·

← Home·Intelligence·Event

announcement

OpenAI's GPT-5.4 Pro reportedly solves a longstanding open Erdős math problem in under two hours

Apr 15, 2026OpenAI

Event Summary

GPT-5.4 Pro solves an open Erdős problem in 80 minutes. Terence Tao calls it a meaningful contribution to mathematics. The article OpenAI's GPT-5.4 Pro reportedly solves a longstanding open Erdős math problem in under two hours appeared first on The Decoder.

modelsApr 16, 2026

Anthropic, Stability AI +43 more: 117 model releases in rapid succession

modelsApr 16, 2026

Anthropic, Stability AI +44 more: 116 model releases in rapid succession

modelsApr 16, 2026

Anthropic, Stability AI +45 more: 118 model releases in rapid succession

modelsApr 16, 2026

Anthropic, Stability AI +45 more: 117 model releases in rapid succession

modelsApr 16, 2026

Anthropic, OpenAI +46 more: 125 model releases in rapid succession

modelsApr 16, 2026

Anthropic, OpenAI +43 more: 132 model releases in rapid succession