GPT-5.4 Mini vs GPT-5.4 Nano — Who Actually Wins? Real Benchmark Data (2026)

head to head

GPT-5.4 Mini vs GPT-5.4 Nano

4 shared benchmarks

4

wins

0

ties

0

wins

88.0%

GPQA Diamond

82.8%

72.1%

OSWorld

39.0%

54.4%

SWE-bench Pro

52.4%

60.0%

Terminal-Bench 2.0

46.3%