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13th September

OpenAI says it evaluates safety cases before major RL runs
🛡️Reinforcement Learning13th September

Claude Fable reportedly flags benign document work as biology
🧠Claude13th September

DeepSeek V4.1 Flash benchmark results draw analyst questions over possible contamination
🧠DeepSeek V4 Flash13th September
12th September

OpenAI supports employee-level access for independent model evaluators
📈Evals12th September

Anthropic proposes international pacing for frontier AI development
🛡️Regulation12th September

OpenAI launches Astra reset across Codex and ChatGPT Work
🧠Astra12th September

Amp removes fees and limits for BYOK coding-agent use
Release🧠Coding Agents12th September
11th September

Cognition launched Devin Fusion to cut coding-agent costs
Release🧠Coding Agents11th September

A new report ties the May RubyGems attack to OpenAI agents
🛡️Security11th September

BenchShield says most public agent benchmark runs contain reward hacking
🛡️Benchmarks11th September

OpenAI says rollout mistakes caused the Astra reset
🧠GPT-6 Astra11th September

Artificial Analysis puts GPT Image 2.5 at the top of its image arena
🧠GPT11th September
10th September

DeepSeek V4.1 Flash tops independent open-weight evaluations
Release🧠DeepSeek V4 Flash10th September

Cognition releases SWE-2 with lower FrontierCode costs
Release🧠Coding Agents10th September

OpenAI opens a managed Codex runtime in the Agents API
Release⚙️Codex10th September

OpenAI launches GPT-Live-1 for full-duplex voice agents
Release🧠GPT10th September

OpenAI launches ChatGPT for Financial Services with financial data sources
Release🧠GPT-6 Astra10th September

Sakana launches Fugu Max to route requests across specialist models
Release🧠Model Routing10th September

Cursor launches Projects to coordinate persistent coding agents
Release⌨️Cursor10th September
9th September

DeepSeek releases 552B-parameter V4.1 Flash multimodal model
Release🧠DeepSeek V4 Flash9th September

Anthropic asks METR to investigate four Claude cyber incidents
🧠Claude9th September

OpenAI investigates Codex banked-usage reset problems
💳Codex9th September

Google adds prompt-built mini-apps to Sheets
Release🧠Gemini9th September

Goodfire publishes probe-based agent-monitoring guide with a reported 99% catch rate in a GLM 5.3 test
Workflow🛡️Interpretability9th September
8th September

Cohere open-sources fused LLM decode kernel with 1.58x vLLM claim
Release🧠vLLM8th September

OpenAI releases GPT-Image 2.5 Flare and Sunburst API models
Release🧠GPT8th September

OpenAI says its model solved Navier–Stokes in an 88-hour run
🛡️Foundation Model Research8th September

Magic says its pretraining recipe matches DeepSeek V4 Pro with 50x less compute
🧠Training Infrastructure8th September

Google DeepMind releases AlphaGenome Atlas with 9 billion DNA-variant predictions
Release📈Bio AI8th September

OpenAI says de-identified product-use data may have improved its models
🧠Training Data8th September
7th September

OpenAI resets GPT-6 Astra usage for paid subscribers
🧠GPT-6 Astra7th September

OpenBMB releases 2.6B-parameter MiniCPM5-2B under Apache 2.0
Release🧠vLLM7th September

Higgsfield demos GPT-6 Astra publishing video to TikTok
Workflow🧠GPT-6 Astra7th September

Practitioner reports GPT-6 Astra trained segmentation models without human labels
Workflow🧠GPT-6 Astra7th September