Seonglae ChoGPT 5 mini has a smaller context limit than GPT 4.1 mini and is much slower. Reasoning is better, but generation cost is higher while context cost is cheaper.
Longer horizon task
- GPT-5.2: Emphasizes completeness and accuracy, may be somewhat slower
- Opus 4.5: Faster progress but may sacrifice completeness
Scaling long-running autonomous coding
We've been experimenting with running coding agents autonomously for weeks at a time.
https://cursor.com/blog/scaling-agents
