Benchmarks show Medium reasoning mode offers best cost-performance for ChatGPT
brandon_galang · x · 2026-08-27
- Core Advice: There's no need to max out reasoning intensity for every request. Medium is the go-to for most cases, Light for quick chats, and Ultra reserved for complex tasks that benefit from parallel sub-agents.
- Performance Data: Cites @morganlinton's extensive benchmarking showing Low and Medium modes are highly effective across a variety of tasks.
- Benefits: Lower intensity saves cost and latency, and often produces more legible results by preventing the model from "overthinking".
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