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Pika Opens H3 Flex Video Weights, but Licence Excludes UK and US
Pika's H3 Flex video model, built on MiniMax H3, has downloadable weights, but its licence excludes the US, UK, EU and South Korea.
OpenAI Rebuilds Its Model Spec Around Five Core Values for GPT
OpenAI has reorganised its Model Spec around five values, adding rules on human oversight and context and dropping most of its style guidance.
Mistral Opens Large 4 Weights: a 1-Trillion-Parameter Model
Mistral has released the weights of Large 4, a 1-trillion-parameter multimodal model, and warns its cyber skills carry a potential for real attack uplift.
Kakao Open-Sources Two Kanana-2 Embedding Models for Korean Search
Kakao has released 3bn and 1.3bn-parameter Kanana-2 embedding models on Hugging Face, topping its Korean retrieval tests while trailing Qwen3 in English.
Particle-1 Coding Model Uses About 45% Fewer Tokens, Particle Says
Suhail Doshi's Particle has launched Particle-1, a DeepSeek V4.1 Flash coding model it says uses about 45% fewer tokens with similar accuracy.
SenseTime Releases Code2Video, an Open Model That Makes Videos in Code
SenseTime's open SenseNova 6.8 Code2Video, a 27B model built on Qwen3.8-27B, writes and renders code to make short videos. It has no benchmarks yet.
Google Gives Gemini 4 Carbon to Cyber Defenders Before Developers
Google's Gemini 4 Carbon tops its cyber benchmarks, Google says, but goes first to vetted cyber defenders, with developers and consumers waiting.
NVIDIA Releases Nemotron 3.5 Transcribe, an Open Model for Speech
NVIDIA's open-weight Nemotron 3.5 Transcribe handles 40 languages, translation and speaker labels in one model, with the Granary v2 speech dataset.
Rime Launches Prism Speech-to-Speech Model With Inspectable Text
Rime's Prism speech-to-speech model writes out each reply before speaking it. Rime says it beats non-reasoning OpenAI and Google voice models on Ï„-Voice.
DiffuSpace Releases Clover, an Open-Weight 35B Diffusion Model
DiffuSpace, whose team built Dream 7B at HKU, has open-sourced Clover, a 35B diffusion model it says beats Qwen3.6 on agent and coding tests.
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