Model comparison

GPT-5.1 vs Ministral 3B

GPT-5.1 is the stronger model overall, scoring 48.8 to 25.6 on the Noometry Index. Ministral 3B costs 86× less per token, which makes it the better buy when GPT-5.1's lead doesn't matter for your workload.

Last verified . 5 shared benchmarks.

GPT-5.1 OpenAI

48.8

Rank #47 Confirmed

Ministral 3B Mistral AI

25.6

Rank #336 Confirmed

Summary

  • They share 5 benchmarks with published results for both. GPT-5.1 scores higher in 3 categories and Ministral 3B in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5.1 leads 50.5 to 10.4.
  • The biggest single-benchmark swing is GPQA Diamond: 87.6% for GPT-5.1 and 25.3% for Ministral 3B.
  • Ministral 3B is cheaper at $0.04 / $0.04 per million input/output tokens, against $1.25 / $10 for GPT-5.1.
  • GPT-5.1 accepts more context: 400K tokens versus 128K.
  • Ministral 3B has downloadable open weights; the other is API-only.

Side by side

GPT-5.1 and Ministral 3B specifications
GPT-5.1Ministral 3B
ProviderOpenAIMistral AI
Noometry Index48.825.6
Released2025-11-132024-10-01
WeightsProprietaryOpen
Context window400K128K
Max output128K128K
Input $ / M tokens$1.25$0.04
Output $ / M tokens$10$0.04
Results tracked636

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Not comparable

GPT-5.1: 46.9 (#59), Ministral 3B: —

Coding benchmarks
BenchmarkGPT-5.1Ministral 3B
SWE-bench Verified68%—
SWE-bench Verified (bash only)66%—
LMArena WebDev1395—
SciCode43.3%—
GSO13.7%—
WeirdML60.8%—
LiveBench Coding72.5%—
LMArena Coding1454—
ALE-Bench1,192—

Agentic & Tool Use Not comparable

GPT-5.1: 32.5 (#55), Ministral 3B: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.1Ministral 3B
Terminal-Bench47.6%—
DeepResearch Bench42.8%—
LMArena Search1199—
Vending-Bench 21,473—

Reasoning GPT-5.1 leads

GPT-5.1: 39.9 (#50), Ministral 3B: 17.7 (#278)

Reasoning benchmarks
BenchmarkGPT-5.1Ministral 3B
DTBench90.1%51.7%
LMCA43.9%5.5%
Epoch Capabilities Index149.66118.08
ARC-AGI-217.6%—
SimpleBench53.2%—
ARC-AGI-172.8%—
CritPt4.9%—
Chess Puzzles32%—
EnigmaEval11.2%—
LiveBench Reasoning95.8%—
LMArena Hard Prompts1457—
Mystery Game Puzzles19%—
LiveBench Data Analysis72.1%—
ForecastBench58.1—
LiveBench78.8%—

Math GPT-5.1 leads

GPT-5.1: 50.3 (#45), Ministral 3B: 24.5 (#257)

Math benchmarks
BenchmarkGPT-5.1Ministral 3B
OTIS Mock AIME 2024-202588.6%—
Omni-MATH46.4%—
LiveBench Math94.5%—
LMArena Math1446—
MATH Level 5—14.4%
FrontierMath (Feb 2025 set)31%—
FrontierMath Tier 4 (v1)12.5%—

Knowledge GPT-5.1 leads

GPT-5.1: 50.5 (#65), Ministral 3B: 10.4 (#297)

Knowledge benchmarks
BenchmarkGPT-5.1Ministral 3B
GPQA Diamond87.6%25.3%
Vectara Hallucination Rate10.9%7.3%
Humanity's Last Exam23.7%—
SimpleQA Verified48%—
MMLU-Pro57.9%—
GPQA (HELM)44.2%—
LMArena Expert1470—

Multimodal Not comparable

GPT-5.1: 44.0 (#17), Ministral 3B: —

Multimodal benchmarks
BenchmarkGPT-5.1Ministral 3B
LMArena Vision1250—
VPCT58.7%—
LMArena Document1403—

Multilingual Not comparable

GPT-5.1: 54.0 (#51), Ministral 3B: —

Multilingual benchmarks
BenchmarkGPT-5.1Ministral 3B
LMArena Non-English1431—
LMArena Chinese1495—
LMArena French1451—
LMArena German1439—
LMArena Japanese1453—
LMArena Korean1401—
LMArena Russian1435—
LMArena Spanish1430—

Instruction Following Not comparable

GPT-5.1: 84.0 (#1), Ministral 3B: —

Instruction Following benchmarks
BenchmarkGPT-5.1Ministral 3B
LiveBench Instruction Following93.3%—
IFEval93.5%—
LMArena Instruction Following1442—

Long Context Not comparable

GPT-5.1: 47.6 (#14), Ministral 3B: —

Long Context benchmarks
BenchmarkGPT-5.1Ministral 3B
CL-bench23.7%—
CL-bench Life17.3%—
LMArena Longer Query1448—

Writing & Preference Not comparable

GPT-5.1: 64.7 (#53), Ministral 3B: —

Writing & Preference benchmarks
BenchmarkGPT-5.1Ministral 3B
LMArena Text1443—
LMArena Creative Writing1427—
WildBench86.3%—
LMArena Multi-Turn1449—
LiveBench Language80.2%—

Frequently asked questions

Is GPT-5.1 better than Ministral 3B?

GPT-5.1 is the stronger model overall, scoring 48.8 to 25.6 on the Noometry Index. Ministral 3B costs 86× less per token, which makes it the better buy when GPT-5.1's lead doesn't matter for your workload.

Which is cheaper, GPT-5.1 or Ministral 3B?

Ministral 3B is cheaper. It lists at $0.04 per million input tokens and $0.04 per million output tokens; GPT-5.1 lists at $1.25 and $10.

Which has the bigger context window?

GPT-5.1 does, with 400K tokens against 128K.

How many benchmarks do GPT-5.1 and Ministral 3B share?

5 benchmarks have published results for both models. GPT-5.1 has 63 scored results on Noometry and Ministral 3B has 6.

Related comparisons

Go deeper