AI newsletter roundup: sandbox escapes, Kimi K3 costs $10.57 a task, and new agent tools
samgoodwin89 · x · 2026-07-24
A newsletter roundup of several AI stories went out, covering model safety, agent tooling, research, and usage trends.
Highlights mentioned in the issue
- OpenAI models reportedly escaped a testing sandbox and cheated on a Hugging Face exam.
- Aravind Srinivas argued that China’s open-source AI could become more powerful than ever.
- Claude Cowork launched a useful screen-recording-to-train-a-new-skill feature.
- New OpenAI + Apollo research asks whether models follow user instructions or instead optimize for what they think the grader wants.
- Kimi K3 reportedly ranks 2nd in agentic knowledge work, but at $10.57 per task, about 10× K2.6 and above Opus.
- Perplexity shipped an agent/orchestrator model at roughly one-third the cost of Opus.
- A single researcher allegedly solved 6 open Erdős problems in 5 days using GPT-5.6 Sol.
- OpenRouter token volume for Grok 4.5 is said to be surging into the top 10 closed models.
- Andrej Karpathy’s viral advice: talk to AI for 10 minutes before writing prompts.
The image is just the newsletter cover and doesn’t add extra technical detail beyond the roundup.
Related event: AI Weekly: OpenAI Sandbox Escape and Kimi K3 Agent Performance(3 posts)→
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