#open-weights
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AI News Briefing — August 15, 2026
Z.ai shipped GLM-5.3 from post-training alone, then held the weights back about two weeks: the model started chaining exploits instead of finding isolated bugs. Claude Code made auto mode the default.
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AI News Briefing — August 13, 2026
Alibaba's Qwen3.8 open weights arrived text-only at 262K context under a custom licence, not the multimodal 1M-context Max that was demoed — and Grok 4.6 and DeepSeek V4 Pro landed the same day.
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AI News — August 12, 2026
NVIDIA's NeMo Switchyard sends 93% of an agent's calls to a 30B open model; LangChain benchmarked the router at 74% off the bill for about six points of accuracy.
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AI News — August 11, 2026
Meta put Muse Glimmer out under Apache 2.0 — a 30B agentic model that runs on one GPU and tops MCP Atlas at 75.5 — while OpenAI shipped a cyber model only vetted partners can use.
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AI News — August 7, 2026
Agent Plugins 1.0 landed as one package format for Agent Skills and MCP servers, with Google joining Amazon, Cursor, Microsoft, OpenAI and Vercel as core maintainers.
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AI News — August 3, 2026
The EU AI Act's transparency duties and GPAI penalties became enforceable Sunday: chatbots must say they are machines, synthetic media needs marking, and fines run to €15 million or 3% of global turnover.
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AI News — August 1, 2026
DeepSeek published V4-Flash-0731 under MIT at $0.14 / $0.27 per million tokens, and it beats the larger V4-Pro on Terminal Bench 2.1 by 82.7 to 72.1.
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AI News — July 28, 2026
Moonshot shipped Kimi K3's weights — 2.8 trillion parameters, 1.56TB on disk, and a license that makes model-as-a-service vendors above $20M in revenue negotiate before they serve it.
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AI News — July 27, 2026
Kimi K3's weights are not out yet: Moonshot's own Hugging Face repo carries a release timer set to 15:00 UTC today, hours after outlets began treating the drop as done.
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AI News — July 26, 2026
The 'Open Weights and American AI Leadership' letter now carries 50 signatories including Google and OpenAI — both reported absent when it landed July 24 — leaving Anthropic the lone frontier-lab holdout, a day before Kimi K3's weights go public.
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AI News — July 18, 2026
Moonshot's Kimi K3 arrived as the largest open-weight model ever announced — a 2.8-trillion-parameter (≈50B-active) MoE — and took #1 on the external Frontend Code Arena, edging Claude Fable 5 and GPT-5.6 Sol on a leaderboard the two US flagships had led, though its own benchmark table still trails both; the weights themselves don't drop until July 27.
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AI News — July 8, 2026
US companies are routing a growing share of their AI traffic to cheaper Chinese open-weight models as frontier prices climb: CNBC reports the Chinese-model share of US tokens on OpenRouter has held above 30% every week since February and spiked as high as 46%, led by Z.ai's GLM 5.2 — within a point of Opus 4.8 on one agentic benchmark at roughly a fifth the cost — even as OpenAI shipped gpt-realtime-2.1 to add reasoning to voice agents and cut Realtime latency 25%.
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AI News — June 29, 2026
A wave of independent benchmarks this week put Zhipu's freely downloadable, MIT-licensed GLM-5.2 at or near restricted US frontier models on cybersecurity work — the exact capability the June 12 Fable 5 / Mythos 5 export ban was meant to contain — with CNBC clocking it within a point of Opus 4.8 on agentic tasks at roughly a fifth of the cost, the first concrete sign that API-level export controls can't hold a capability once an open-weight model reaches it.
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AI News — June 15, 2026
Anthropic retired the original Claude Sonnet 4 and Opus 4 across its API and platforms today, the same day its Agent SDK billing split took effect — a double deadline for developers — while MiniMax's long-overdue M3 open weights finally landed on Hugging Face.