GPT-5.4 Nano vs Mistral Medium 3.5

GPT-5.4 Nano against Mistral Medium 3.5
GPT-5.4 NanoMistral Medium 3.5
Coding index44.825.5
Benchmarks behind it Partial, 2 benchmarks Verified, 3 benchmarks
Output $/Mtok$1.25$7.50
Cost per solved task$0.14$6.02
Context window400K262K