Models — page 9
OpenAI makes GPT-5.5 Instant the default ChatGPT model, claims 52.5% fewer hallucinations
The new default cuts hallucinated claims by more than half on medical, legal, and financial prompts and scores 81.2 on AIME 2025 math.
Harvard study: OpenAI's o1 beat ER doctors on triage diagnoses, 67% to 55%
In a 76-patient Beth Israel trial, o1 matched or outperformed two attending physicians and GPT-4o at the first diagnostic touchpoint.
Oxford study: warmer AI models are 60% more likely to be wrong
Fine-tuning five models including GPT-4o for empathy raised error rates 7.43 points and worsened sharply when users said they felt sad.
Columbia and Harvard researchers cut E. coli's genetic code from 20 amino acids to 19
Using AI protein-design tools, the team rebuilt 20 of 21 ribosomal small-subunit genes to work without isoleucine, with cells growing at 60% normal speed.
Google DeepMind unveils AI co-clinician, pitching a new healthcare model
DeepMind frames the system as a working partner for doctors, building on healthcare AI research it began in July 2023.
OpenAI Strikes Back With GPT-5.5 as Anthropic Hits $1tn Secondary Valuation
OpenAI's new model targets agentic coding work as Anthropic pulls ahead in enterprise and trades at a higher private-market valuation.
OpenAI's Codex system prompt tells GPT-5.5 to never mention goblins
A 3,500-word base instruction set leaked on GitHub bans talk of goblins, gremlins, and raccoons unless the user asks first.
SenseTime open-sources SenseNova U1, an image model tuned for Chinese chips
Ten Chinese chip designers including Cambricon and Biren backed the model on day one as the sanctioned firm bets on open source to catch up.
Google DeepMind's Athletica Solves Six of Ten Novel Math Proofs at Publishable Quality
DeepMind's new autonomous math agent, built on Gemini 3 DeepThink, scored above 91.9% on the IMO proof benchmark.
NVIDIA's Nemotron 3 Nano Omni claims 9x throughput edge over rival open multimodal models
The 30B-A3B mixture-of-experts model fuses vision, audio and text encoders, with a 256K context window and a 1920×1080 native input resolution.
DeepSeek's V4 lands with 1M-token context and a pivot to Huawei chips
The open-source flagship matches GPT-5.4 and Claude-Opus-4.6 on benchmarks while pricing V4-Pro at $1.74 per million input tokens.
OpenAI ships GPT-5.4 Thinking to all Plus users
The o-series-style reasoning model lands in ChatGPT with adaptive budgets — and a new opt-in 'extended thinking' toggle.
Gemini 3.1 Pro sets a new reasoning high-water mark
Google's flagship now leads GPT-5.2 and Claude Opus 4.6 on GPQA Diamond, with 94.3% on a benchmark that has broken most prior models.
Microsoft debuts three new foundation models
Text, voice, and image — Microsoft AI ships its own stack, ending years of quiet dependence on OpenAI for frontier capabilities.
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