OpenAI delays release of open-weight model indefinitely over safety concerns

OpenAI will reportedly soon release a new language model with open weights, alongside its own AI-powered web browser.<br /> The article OpenAI delays release of open-weight model indefinitely ov [...]

Kimi-K2 is the next open-weight AI milestone from China after Deepseek

Moonshot AI from China has launched Kimi-K2, a new open-weight large language model designed to rival top proprietary models like Claude Sonnet 4 and GPT-4.1, without a dedicated reasoning module—ma [...]

Meta's Muse Spark is its first frontier model and its first without open weights

Meta Superintelligence Labs ships Muse Spark, its first frontier model and Meta's first without open weights. Independent testing shows it closing the gap to OpenAI, Anthropic, and Google, but th [...]

Xiaomi's open-weight MiMo-V2.5-Pro takes aim at Claude Opus with hours-long autonomous coding

Xiaomi's new MiMo-V2.5-Pro nearly matches Anthropic's Claude Opus 4.6 on coding benchmarks while burning 40 to 60 percent fewer tokens, according to the company. The release pushes Xiaomi de [...]

watchOS 26 preview: It's the little things

At WWDC 2025, Apple announced it was replacing the sequential numbering for OS versions and with year numbers. So instead of watchOS 12, I’ve spent the past two weeks with the public beta of watchOS [...]

Higher token consumption can reduce the efficiency of open reasoning models

Open-weight reasoning models often use far more tokens than closed models, making them less efficient per query, according to Nous Research.<br /> The article Higher token consumption can reduce [...]

Researchers say they trained a foundation model from scratch for about $1,500

Training a foundation LLM from scratch costs millions and requires internet-scale data — which is why most enterprises don't bother. Sapient thinks it has a cheaper path.To overcome this brute- [...]

Prime Intellect launches an open platform for reinforcement learning environments

Prime Intellect, a San Francisco AI startup, has launched the Environments Hub, an open platform for building and sharing reinforcement learning (RL) environments. The aim is to counter the closed sys [...]

Moonshot AI releases Kimi K2.5, claims most powerful open-weight model with 100-agent coordination

Moonshot AI has released Kimi K2.5, which the company says is the most powerful open-weight model available. The model can independently coordinate up to 100 AI agents working in parallel on complex t [...]