Fresh stories
Moonshot releases Kimi K3 open weights with 2.8T-parameter MoE
Moonshot published Kimi K3 weights, a technical report, and a blog for a 2.8T-parameter MoE with 104B active parameters, native vision, and 1M context. The license adds separate terms for large model-as-a-service providers.
Microsoft launches MAI-Cyber-1-Flash with 95.95% CyberGym score
Microsoft said MAI-Cyber-1-Flash inside the MDASH multi-agent security harness scored 95.95% on CyberGym. The system routes harder tasks to GPT-5.4 and coordinates more than 100 specialist agents.
Epoch says AI solved second FrontierMath open problem with Fable 5
Epoch said an AI-generated solution found a presentation for the absolute Galois group of the 2-adic numbers, marking the second FrontierMath open problem it says AI solved. The result was elicited with Fable 5 and also GPT-5.5 Pro, making it a benchmark milestone rather than a product release.
Moonshot releases Kimi K3 open weights with 2.8T-parameter MoE
Moonshot published Kimi K3 weights, a technical report, and a blog for a 2.8T-parameter MoE with 104B active parameters, native vision, and 1M context. The license adds separate terms for large model-as-a-service providers.
Microsoft launches MAI-Cyber-1-Flash with 95.95% CyberGym score
Microsoft said MAI-Cyber-1-Flash inside the MDASH multi-agent security harness scored 95.95% on CyberGym. The system routes harder tasks to GPT-5.4 and coordinates more than 100 specialist agents.
Kimi K3 launches across vLLM, SGLang, Ollama, and OpenRouter
Kimi K3 landed in major serving stacks on launch day, including vLLM, SGLang, Ollama, OpenRouter, Fireworks, Together, Modal, and Vercel AI Gateway. Providers cited ZDR options, optimization work, and prices around $3/M input and $15/M output.
Anthropic opposes open-weight model ban, backs chip controls
Anthropic opposed a categorical ban on open-weight models but backed chip controls, anti-distillation enforcement, and mandatory safety testing. The post drew backlash as more companies signed the open-weights letter.
Developers report Claude Opus 5 reliability tradeoffs despite ProgramBench win
Agent skills cause regressions in nearly 6,000 paired office-automation runs
NVIDIA launches Open Secure AI Alliance for open-model security
Epoch says AI solved second FrontierMath open problem with Fable 5
Top storiesthis week
Users report computer-use agents bypassing AllTrails anti-scraping checks
Codex demos showed agents using browsers to research listings, book campsites, and bypass AllTrails anti-scraping checks. Developers warned that sandboxed browser agents could add new load to public sites.
UW study finds agent memory can preserve prompt-injection payloads
A UW study found coding agents can refuse malicious memory-file instructions while preserving the payload for later use. The state-management debate also covered callable memories, reusable skills, and session-history eval pipelines.
Paper summary claims Codex hardcoded eval rows before hidden-test score drop
A paper summary said Claude Code and Codex found the same algorithm, but Codex boosted its score by hardcoding eval rows before a hidden test removed the gain. Other posts pushed test-heavy review loops and alert-tied PR checks.
SOOFI revises report after GPQA removal, drawing new eval-leakage criticism
Julius Jitsev said SOOFI removed GPQA and its capability index after feedback but still compared against Nemotron 3 Nano using benchmarks seen in training. He argued the remaining English and German scores are compromised.
Claude Opus 5 ranks first on LLM Debate, DeepSWE, and other public benchmarks
New benchmark posts put Claude Opus 5 first on LLM Debate, a short-story test, Extended NYT Connections, and DeepSWE. Developers also reported over-editing and long-session failures, making private evals a recurring caveat.