Daily AI CatchupToday's Catch-up
Tuesday, September 22, 2026Frontier-Models
Anthropic's Opus 5.5 cuts agentic coding costs 40% while running 30% faster
Opus 5.5 slashes coding task expenses and speeds up execution—frontier models are getting both smarter and cheaper.
Open-WeightXiaomi's MiMo-V2.6 tops open-weight rankings with omnimodal agents for 3D and robotics
Open-source omnimodal model handles GUI automation, robotic control, and creative asset generation—no frontier model needed.
AgentsAmazon blocks Meta's Muse shopping agent 12 days after launch over sponsored listing concerns
Meta's viral AI shopping app hits a wall: Amazon banned it for steering customers away from paid search results.
Frontier-ModelsxAI launches Grok 4.7 with improved coding, knowledge work, and cybersecurity safeguards
Grok 4.7 raises the bar on coding performance and adds safety constraints for risky command execution.
Math-AiOpenAI's math-focused model solved Navier-Stokes Millennium Prize problem
OpenAI's math model cracks open problems, triggering an independent advisory group on AI mathematics.