
Kimi K3
Moonshot AI's Kimi K3 is a 2.8 trillion parameter MoE model that tops LMArena's Frontend Code Arena and nears Claude Fable 5 on intelligence benchmarks, but at roughly triple Kimi K2.6's price and a higher hallucination rate.
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Moonshot AI's Kimi K3 is a 2.8 trillion parameter MoE model that tops LMArena's Frontend Code Arena and nears Claude Fable 5 on intelligence benchmarks, but at roughly triple Kimi K2.6's price and a higher hallucination rate.

Mira Murati's Thinking Machines Lab released its first open-weight model, Inkling, and published benchmarks showing it losing to closed rivals on most of them.

Thinking Machines Lab's first open-weight model - a 975B-parameter MoE with native text, image, and audio reasoning, released under Apache 2.0 and tuned for customization on the Tinker platform.

Google DeepMind's Gemini 3 Pro debuted at 1501 Elo on LMArena with 91.9% on GPQA Diamond and a 1M-token context window, before Google retired it for Gemini 3.1 Pro.

Moonshot AI's Kimi K2.7-Code became the first open-weight model in GitHub Copilot's picker, pairing genuine cost savings with a benchmark story that only Moonshot has verified.

Mistral's open-source Leanstral 1.5 scanned 57 repos and found five previously unreported bugs, including a silent integer overflow in a Rust zigzag decoder.

Meituan's 1.6T open-source coding model secretly topped OpenRouter for two months before revealing itself - and the price-to-performance math is hard to argue with.

Meituan's 1.6T-parameter open-source MoE coding model, trained end-to-end on 50,000 domestic Chinese ASICs, with native 1M token context and a 59.5 SWE-bench Pro score.

Meituan open-sources LongCat-2.0, a 1.6T MoE model trained on 50,000 Chinese ASICs that secretly topped OpenRouter under the alias Owl Alpha.

H Company's open-weight sparse MoE vision-language model purpose-built for desktop computer use, scoring 82.6% on OSWorld-Verified with only 3B active parameters.

Cohere's first developer-focused model - 30B sparse MoE with 3B active parameters, free Apache 2.0 license, 256K context window, and 33.4 on the AA Coding Index.

Alibaba's open-source video generation model with MoE architecture, native audio, first-and-last-frame control, and 1080p output up to 15 seconds.