📋 Quick Takeaways

• OpenAI officially retires GPT-4o and several legacy models from ChatGPT on February 13, amid 13 consolidated lawsuits over mental health harms
• GPT-5.3-Codex-Spark launches on Cerebras chips — OpenAI’s first production model not running on Nvidia, delivering 1,000+ tokens/sec at 15x faster speeds
• MiniMax M2.5 from China achieves near-frontier performance on SWE-Bench at 1/10th to 1/20th the cost of Claude Opus 4.6 and GPT-5
• Zhipu AI’s GLM-5 reaches Intelligence Index score of 50, trained on Huawei Ascend chips — a milestone for non-Nvidia AI training
• Baker McKenzie cuts up to 1,000 jobs citing AI, in the largest AI-driven layoff in the legal industry
• Google warns that nation-state hackers from Iran, North Korea, China, and Russia are using Gemini for cyberattacks
• Waymo deploys 6th-generation Ojai robotaxis, plans expansion to 20+ cities including Tokyo and London
• Anthropic’s Super Bowl ad drives 11% user growth and Apple App Store top-10 ranking, beating OpenAI, Google, and Meta
• Samsung begins shipping HBM4 samples, the next-gen memory critical for AI accelerator performance
• Autonomous vehicles forecast to operate or test in 39 global markets by end of 2026

🤖 AI Model Releases & Retirements

OpenAI Officially Retires GPT-4o and Legacy Models from ChatGPT

On February 13, OpenAI officially pulled the plug on GPT-4o, GPT-4.1, GPT-4.1 mini, and o4-mini from ChatGPT, alongside the previously announced retirement of GPT-5 Instant and Thinking. All conversations now default to GPT-5.2. API access remains unchanged for the time being.