The day in AI
No written reading for this day yet. Here is everything that was logged.
Everything from this day
Launches and products
17 Sep 2025AnthropicA postmortem of three recent issues Anthropic traced degraded Claude answers in August 2025 to three overlapping infrastructure bugs, one misrouting up to 16% of Sonnet 4 requests.17 Sep 2025Ant Group (inclusionAI)Ling-flash-2.0 and Ling-mini-2.0 Ling 2.0 small MoEs with a 1/32 activation ratio. Flash is 100B total and 6.1B active, and Ant claims 7x efficiency over dense models.
Research
17 Sep 2025Google DeepMindGemini 2.5 Deep Think at ICPC World Finals Gemini 2.5 Deep Think solved 10 of 12 ICPC World Finals problems under contest time limits, gold-medal level and 2nd place against university teams.17 Sep 2025DeepSeekDeepSeek-R1 in Nature (peer-reviewed) R1 becomes the first major LLM paper through peer review; supplement discloses roughly $294K RL cost on top of the base model.17 Sep 2025DeepSeekDeepSeek-R1 published in Nature R1 paper published in Nature after peer review, a first for a major LLM; discloses a $294K RL cost on top of the V3 base.17 Sep 2025OpenAIICPC World Finals 2025 result (GPT-5 plus experimental model) OpenAI's reasoning systems solve 12 of 12 ICPC World Finals problems, ahead of the best human team (11 of 12).