Model comparison

GPT-5.6 Sol vs Mistral 7B

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 23.0 on the Noometry Index. Mistral 7B costs 32× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.

Last verified . 21 shared benchmarks.

GPT-5.6 Sol OpenAI

65.0

Rank #7 Confirmed

Mistral 7B Mistral AI

23.0

Rank #351 Confirmed

Summary

  • They share 21 benchmarks with published results for both. GPT-5.6 Sol scores higher in 8 categories and Mistral 7B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.6 Sol leads 85.6 to 8.1.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for GPT-5.6 Sol and 0.3% for Mistral 7B.
  • Mistral 7B is cheaper at $0.25 / $0.25 per million input/output tokens, against $4 / $20 for GPT-5.6 Sol.
  • GPT-5.6 Sol accepts more context: 1.05M tokens versus 8K.
  • Mistral 7B has downloadable open weights; the other is API-only.

Side by side

GPT-5.6 Sol and Mistral 7B specifications
GPT-5.6 SolMistral 7B
ProviderOpenAIMistral AI
Noometry Index65.023.0
Released2026-07-092023-09-27
WeightsProprietaryOpen
Context window1.05M8K
Max output128K8K
Input $ / M tokens$4$0.25
Output $ / M tokens$20$0.25
Results tracked6537

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Category by category

Coding GPT-5.6 Sol leads

GPT-5.6 Sol: 65.1 (#7), Mistral 7B: 26.4 (#326)

Coding benchmarks
BenchmarkGPT-5.6 SolMistral 7B
LMArena Coding14981082
DeepSWE72.7%—
FrontierCode47.5%—
CursorBench41.7%—
LMArena WebDev1618—
FrontierSWE32.2%—
SciCode57.1%—
GSO76.5%—
WeirdML89.4%—
BigCodeBench Instruct—19.5%
MirrorCode20%—
BigCodeBench Complete—27.3%
ALE-Bench2,177—
HumanEval+—36%
MBPP+—42.1%

Agentic & Tool Use Not comparable

GPT-5.6 Sol: 50.3 (#7), Mistral 7B: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.6 SolMistral 7B
APEX-Agents51.4%—
OSWorld 2.027.3%—
τ²-bench Banking46.9%—
PostTrainBench36.2%—
BALROG60%—
GBAEval52.6%—
GDP.pdf30.7%—
LMArena Search1257—
Vending-Bench 29,619—

Reasoning GPT-5.6 Sol leads

GPT-5.6 Sol: 74.8 (#8), Mistral 7B: 13.1 (#336)

Reasoning benchmarks
BenchmarkGPT-5.6 SolMistral 7B
Chess Puzzles64%0%
LMArena Hard Prompts14841067
DTBench96%42.5%
Epoch Capabilities Index161.66112.21
ARC-AGI-292.5%—
SimpleBench71.7%—
Kagi LLM Benchmark67%—
NYT Connections (extended)93.8%—
ARC-AGI-197.5%—
CritPt32.3%—
EnigmaEval37.1%—
EBR-Bench44.8%—
Mystery Game Puzzles58%—
LMCA59.2%—
Surface Evolver Bench93.1%—
Adversarial NLI—47.1%
Bench to the Future 30.14—
BIG-Bench Hard—56.1%
HellaSwag—81%
PIQA—83%
WinoGrande—75.3%

Math GPT-5.6 Sol leads

GPT-5.6 Sol: 85.6 (#9), Mistral 7B: 8.1 (#325)

Math benchmarks
BenchmarkGPT-5.6 SolMistral 7B
OTIS Mock AIME 2024-2025100%0.3%
LMArena Math14741085
FrontierMath (Tiers 1-3)89.1%—
FrontierMath Tier 482.9%—
ProofBench83%—
MATH Level 5—3.7%
FrontierMath Erdős0%—
GSM8K—54.4%

Knowledge GPT-5.6 Sol leads

GPT-5.6 Sol: 64.3 (#18), Mistral 7B: 7.4 (#311)

Knowledge benchmarks
BenchmarkGPT-5.6 SolMistral 7B
GPQA Diamond93.5%15.2%
LMArena Expert15161036
SimpleQA Verified69.7%—
Vectara Hallucination Rate12.4%—
ARC (AI2) Challenge—78.6%
BoolQ—87.4%
MMLU—62.5%
OpenBookQA—79.8%
TriviaQA—75.2%

Multimodal Not comparable

GPT-5.6 Sol: 48.6 (#9), Mistral 7B: —

Multimodal benchmarks
BenchmarkGPT-5.6 SolMistral 7B
LMArena Vision1281—
Blueprint-Bench 233.6%—
Furniture Assembly56.7%—
LMArena Document1483—

Multilingual GPT-5.6 Sol leads

GPT-5.6 Sol: 55.3 (#32), Mistral 7B: 25.8 (#283)

Multilingual benchmarks
BenchmarkGPT-5.6 SolMistral 7B
LMArena Non-English14521012
LMArena Chinese15271009
LMArena French14771037
LMArena German1476987
LMArena Japanese1471878
LMArena Russian14681018
LMArena Spanish14411026
LMArena Korean1442—

Instruction Following GPT-5.6 Sol leads

GPT-5.6 Sol: 77.7 (#16), Mistral 7B: 54.2 (#280)

Instruction Following benchmarks
BenchmarkGPT-5.6 SolMistral 7B
LMArena Instruction Following14821060

Long Context GPT-5.6 Sol leads

GPT-5.6 Sol: 45.4 (#42), Mistral 7B: 32.2 (#271)

Long Context benchmarks
BenchmarkGPT-5.6 SolMistral 7B
LMArena Longer Query14801060

Writing & Preference GPT-5.6 Sol leads

GPT-5.6 Sol: 73.3 (#12), Mistral 7B: 30.7 (#286)

Writing & Preference benchmarks
BenchmarkGPT-5.6 SolMistral 7B
LMArena Text14571090
LMArena Creative Writing14481068
LMArena Multi-Turn14601062
EQ-Bench Creative Writing1972—
EQ-Bench 41250—

Frequently asked questions

Is GPT-5.6 Sol better than Mistral 7B?

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 23.0 on the Noometry Index. Mistral 7B costs 32× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.

Which is cheaper, GPT-5.6 Sol or Mistral 7B?

Mistral 7B is cheaper. It lists at $0.25 per million input tokens and $0.25 per million output tokens; GPT-5.6 Sol lists at $4 and $20.

Is GPT-5.6 Sol or Mistral 7B better for coding?

GPT-5.6 Sol scores higher on coding benchmarks: 65.1 versus 26.4 in the Noometry coding category.

Which has the bigger context window?

GPT-5.6 Sol does, with 1.05M tokens against 8K.

How many benchmarks do GPT-5.6 Sol and Mistral 7B share?

21 benchmarks have published results for both models. GPT-5.6 Sol has 65 scored results on Noometry and Mistral 7B has 37.

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