Noometry

Model comparison

GPT-6.1 Sol vs Mistral Medium 3

GPT-6.1 Sol has enough public results to be ranked (#6); Mistral Medium 3 does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

GPT-6.1 Sol OpenAI

65.6

Rank #6 Confirmed

Mistral Medium 3 Mistral AI

37.0

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. GPT-6.1 Sol scores higher in 1 category and Mistral Medium 3 in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-6.1 Sol leads 71.8 to 34.6.
  • Mistral Medium 3 is cheaper at $0.40 / $2 per million input/output tokens, against $2 / $10 for GPT-6.1 Sol.
  • GPT-6.1 Sol accepts more context: 1.05M tokens versus 131K.

Side by side

GPT-6.1 SolMistral Medium 3
ProviderOpenAIMistral AI
Noometry Index65.637.0
Released2026-09-292025-05-07
WeightsProprietaryProprietary
Context window1.05M131K
Max output128K131K
Input $ / M tokens$2$0.40
Output $ / M tokens$10$2
Results tracked342

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Category by category

Coding Not comparable

GPT-6.1 Sol: 63.2 (#8), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
DeepSWE75.2%—
FrontierCode50.2%—
LMArena WebDev1755—
SciCode55.8%—
LMArena Coding1487—

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 39.6 (#26), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
APEX-Agents60%—
GDP.pdf32%—

Reasoning Not comparable

GPT-6.1 Sol: 81.9 (#2), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
Epoch Capabilities Index166.09134.07
ARC-AGI-294.2%—
NYT Connections (extended)95.5%—
ARC-AGI-198.5%—
CritPt31.7%—
Chess Puzzles61%—
EBR-Bench54.3%—
LMArena Hard Prompts1466—
Mystery Game Puzzles80%—

Math Not comparable

GPT-6.1 Sol: 93.7 (#1), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
FrontierMath (Tiers 1-3)93.7%—
FrontierMath Tier 4100%—
OTIS Mock AIME 2024-2025100%—
ProofBench99%—
LMArena Math1464—

Knowledge GPT-6.1 Sol leads

GPT-6.1 Sol: 71.8 (#4), Mistral Medium 3: 34.6

BenchmarkGPT-6.1 SolMistral Medium 3
GPQA Diamond95.4%—
SimpleQA Verified73.9%—
Confabulations—21.9%
LMArena Expert1502—

Multimodal Not comparable

GPT-6.1 Sol: 52.7 (#5), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
LMArena Vision1288—
Furniture Assembly80%—

Multilingual Not comparable

GPT-6.1 Sol: 54.3 (#46), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
LMArena Non-English1438—
LMArena Chinese1477—
LMArena Russian1455—

Instruction Following Not comparable

GPT-6.1 Sol: 77.0 (#29), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
LMArena Instruction Following1468—

Long Context Not comparable

GPT-6.1 Sol: 44.9 (#54), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
LMArena Longer Query1465—

Writing & Preference Not comparable

GPT-6.1 Sol: 63.6 (#63), Mistral Medium 3: —

BenchmarkGPT-6.1 SolMistral Medium 3
LMArena Text1447—
LMArena Creative Writing1432—
LMArena Multi-Turn1449—

Frequently asked questions

Is GPT-6.1 Sol better than Mistral Medium 3?

GPT-6.1 Sol has enough public results to be ranked (#6); Mistral Medium 3 does not yet, so treat this comparison as directional.

Which is cheaper, GPT-6.1 Sol or Mistral Medium 3?

Mistral Medium 3 is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; GPT-6.1 Sol lists at $2 and $10.

Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 131K.

How many benchmarks do GPT-6.1 Sol and Mistral Medium 3 share?

1 benchmark has published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Mistral Medium 3 has 2.

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