Model comparison

GPT-5.5 Instant vs Mistral 7B

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 23.0 on the Noometry Index.

Last verified . 20 shared benchmarks.

GPT-5.5 Instant OpenAI

42.7

Rank #110 Confirmed

Mistral 7B Mistral AI

23.0

Rank #351 Confirmed

Summary

  • They share 20 benchmarks with published results for both. GPT-5.5 Instant scores higher in 8 categories and Mistral 7B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5.5 Instant leads 48.9 to 7.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 68.1% for GPT-5.5 Instant and 0.3% for Mistral 7B.
  • Mistral 7B has downloadable open weights; the other is API-only.

Side by side

GPT-5.5 Instant and Mistral 7B specifications
GPT-5.5 InstantMistral 7B
ProviderOpenAIMistral AI
Noometry Index42.723.0
Released2026-05-052023-09-27
WeightsProprietaryOpen
Context window—8K
Max output—8K
Input $ / M tokens—$0.25
Output $ / M tokens—$0.25
Results tracked2737

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Category by category

Coding GPT-5.5 Instant leads

GPT-5.5 Instant: 44.3 (#74), Mistral 7B: 26.4 (#326)

Coding benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
LMArena Coding14331082
SciCode48.6%—
BigCodeBench Instruct—19.5%
BigCodeBench Complete—27.3%
HumanEval+—36%
MBPP+—42.1%

Reasoning GPT-5.5 Instant leads

GPT-5.5 Instant: 24.9 (#155), Mistral 7B: 13.1 (#336)

Reasoning benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
Chess Puzzles12%0%
LMArena Hard Prompts14261067
Epoch Capabilities Index142.52112.21
CritPt0%—
DTBench—42.5%
Adversarial NLI—47.1%
BIG-Bench Hard—56.1%
HellaSwag—81%
PIQA—83%
WinoGrande—75.3%

Math GPT-5.5 Instant leads

GPT-5.5 Instant: 26.5 (#259), Mistral 7B: 8.1 (#325)

Math benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
OTIS Mock AIME 2024-202568.1%0.3%
LMArena Math14201085
FrontierMath (Tiers 1-3)26.3%—
FrontierMath Tier 42.4%—
MATH Level 5—3.7%
GSM8K—54.4%

Knowledge GPT-5.5 Instant leads

GPT-5.5 Instant: 48.9 (#74), Mistral 7B: 7.4 (#311)

Knowledge benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
GPQA Diamond82.5%15.2%
LMArena Expert14091036
ARC (AI2) Challenge—78.6%
BoolQ—87.4%
MMLU—62.5%
OpenBookQA—79.8%
TriviaQA—75.2%

Multimodal Not comparable

GPT-5.5 Instant: 40.0 (#52), Mistral 7B: —

Multimodal benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
LMArena Vision1250—
LMArena Document1403—

Multilingual GPT-5.5 Instant leads

GPT-5.5 Instant: 52.8 (#80), Mistral 7B: 25.8 (#283)

Multilingual benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
LMArena Non-English14171012
LMArena Chinese14561009
LMArena French14281037
LMArena German1411987
LMArena Japanese1408878
LMArena Russian14311018
LMArena Spanish14291026
LMArena Korean1392—

Instruction Following GPT-5.5 Instant leads

GPT-5.5 Instant: 74.2 (#100), Mistral 7B: 54.2 (#280)

Instruction Following benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
LMArena Instruction Following14061060

Long Context GPT-5.5 Instant leads

GPT-5.5 Instant: 43.4 (#96), Mistral 7B: 32.2 (#271)

Long Context benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
LMArena Longer Query14221060

Writing & Preference GPT-5.5 Instant leads

GPT-5.5 Instant: 61.8 (#85), Mistral 7B: 30.7 (#286)

Writing & Preference benchmarks
BenchmarkGPT-5.5 InstantMistral 7B
LMArena Text14191090
LMArena Creative Writing14191068
LMArena Multi-Turn14331062

Frequently asked questions

Is GPT-5.5 Instant better than Mistral 7B?

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 23.0 on the Noometry Index.

Is GPT-5.5 Instant or Mistral 7B better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 26.4 in the Noometry coding category.

How many benchmarks do GPT-5.5 Instant and Mistral 7B share?

20 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and Mistral 7B has 37.

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