GPT-5.1

OpenAI · Closed weights · Released Nov 13, 2025 · $1.25 in · $10 out per 1M tokens

13Overall · rank 34

Score by job

0 · rank 29 · 3 of 5 benchmarks

Benchmark	Result	Variant	z
Terminal-Bench	47.6%	gpt-5.1-2025-11-13_medium	-1.89
SWE-bench Verified	68.0%	gpt-5.1-2025-11-13_high	-2.52
LMArena Coding	1453 rating	gpt-5.1-high	-1.80

Not enough data · 0 of 4 benchmarks

0 · rank 40 · 4 of 4 benchmarks

Benchmark	Result	Variant	z
GPQA Diamond	87.6%	gpt-5.1-2025-11-13_high	-1.59
ARC-AGI-2	17.6%	gpt-5.1-2025-11-13_high	-2.13
SimpleBench	53.2%	gpt-5.1-2025-11-13_high	-1.22
Humanity’s Last Exam	23.7%	gpt-5.1-2025-11-13_unknown	-1.64

Not enough data · 2 of 5 benchmarks

Benchmark	Result	Variant	z
OTIS Mock AIME	88.6%	gpt-5.1-2025-11-13_high	-1.71
LMArena Math	1444 rating	gpt-5.1-high	-1.35

47 · rank 33 · 2 of 2 benchmarks

Benchmark	Result	Variant	z
LMArena Creative Writing	1427 rating	gpt-5.1-high	-0.72
LMArena Instruction Following	1441 rating	gpt-5.1-high	-0.87

4 · rank 45 · 1 of 1 benchmarks

Benchmark	Result	Variant	z
LMArena WebDev	1392 rating	gpt-5.1-medium	-1.65