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OpenAI 11 months ago 35 ● 4 sources
OpenAI released GPT-5.1 through its API with faster adaptive reasoning capabilities and extended prompt caching. The model includes new apply_patch and shell tools alongside improvements to coding performance. Developers can now use these enhanced features for faster inference and reduced token usage through expanded caching options.
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TLDRocket
24 October 2026
The biggest AI story today is the open-weights comeback—this time with receipts. Moonshot AI shipped Kimi K3.1 Pro, a post-trained 2.8T multimodal mixture-of-experts model, and positioned it against the leading proprietary systems on benchmarks that matter to product teams. Artificial Analysis’s Intelligence Index gave it 55 points, which puts it just behind Claude Opus 5.5 and Claude Sonnet 5.5; Moonshot says that if it publishes weights by early November, the best open-vs-best closed gap shrinks from 12 points to 3. NVIDIA, meanwhile, added Nemotron 3.5 Bolt E4B, an open small language model designed to run in local voice-agent setups, targeting a 4GB VRAM envelope with 8B total parameters (4B effective) and a 64K context window.
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