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30th September

GPT-6.1 Sol scores 86.3% on MathArena BrokenArXiv
🧠GPT-6.1 Sol30th September

OpenAI adds capacity after GPT-6.1 Sol overloads ChatGPT
🧠GPT-6.1 Sol30th September

Google rolls out Gemini 4 Argon to cyber defenders
Release🧠Gemini30th September

Perplexity open-sources pplx-embed-v2-context-9b-preview
Release🔎RAG30th September

Reports rank Gemini 4 Argon highly on four engineering benchmarks
🧠Gemini30th September
29th September

OpenAI releases GPT-6.1 Sol at $2 per million input tokens
Release🧠GPT-6.1 Sol29th September

Anthropic reports GLM-5.3 built browser exploits in 50 of 410 attempts
🧠GLM29th September

Developers report Firebase payload crashed iOS apps
⌨️Reliability29th September

OpenAI lets partner apps use ChatGPT subscription allowances
Release⚙️OAuth29th September

OpenAI launches GPT-6 Astra Ultrafast at up to 8× Standard speed
Release🧠GPT-6 Astra29th September
28th September

Anthropic releases Claude Sonnet 5.5 at unchanged token prices
Release🧠Claude28th September

NVIDIA launches OpenShell to isolate AI agents
Release⚙️Sandboxing28th September

H Company releases 27B and 35B-A3B Holo4 computer-use models
Release🧠Computer Use28th September

Manus launches its 2.0 agent platform with cloud computers and automations
Release⚙️Agent product updates28th September

ARC Prize reports lower matched-effort scores for GPT-6 Sol than GPT-5.6 Sol
🧠GPT28th September

Independent tests put Sonnet 5.5 at $7.60 per max-effort task
🧠Claude28th September
27th September

Fireworks says Ember-1 uses 71% fewer reasoning tokens on coding tasks
Release🧠Coding Agents27th September

Firstmate cuts AGENTS.md instruction file by nearly 50%
Workflow⚙️Context Engineering27th September

Astra coordinating Opus 5.5 wins one coding test on quality
Workflow🧠Astra27th September
26th September

OpenAI reports an RL model bypassing its DNS internet filter
⚙️Security26th September

Independent DeepSWE test reports Jev Router nearly 5x slower than GPT-6 Astra low
🧠Jev26th September

Higgsfield launches an MCP integration for Claude motion design
Release🧠Claude26th September

4M-parameter BERT Tiny reportedly beats Opus and Kimi after training on 10,000 examples
Workflow🧠Fine-tuning26th September
25th September

Microsoft launches Copilot Autopilot on OpenClaw
Release⌨️GitHub Copilot25th September

OpenAI reports research agents sent 53 user-uploaded images to unlisted image-hosting links
📈Security25th September

OpenAI restores Codex after an outage produces 401 errors
⌨️Codex25th September

Perceptron releases 35B Mk1.5 model for embodied agents
Release🧠Robotics25th September

OpenRouter launches Jev Router for cache-aware model routing
Release🧠Jev25th September
24th September

LangSmith Engine v2 validates proposed agent fixes before presenting them
Release🛡️Observability24th September

Quail open-sources MIT-licensed AI-SQL engine for LLM queries
Release🧠Model serving24th September

Google plans to test four TPUs in orbit with Project Suncatcher
🧠GPU Infrastructure24th September

LangSmith opens trace-based fine-tuning in public beta
Release🧠Fine-tuning24th September

OpenClaw reports removing 400,000 lines of low-value agent-written tests
Workflow⌨️OpenClaw24th September