Model comparison

GPT-5.6 Sol vs Magistral Medium

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 35.2 on the Noometry Index. Magistral Medium costs 2.9× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.

Last verified . 22 shared benchmarks.

GPT-5.6 Sol OpenAI

65.0

Rank #7 Confirmed

Magistral Medium Mistral AI

35.2

Rank #227 Confirmed

Summary

  • They share 22 benchmarks with published results for both. GPT-5.6 Sol scores higher in 8 categories and Magistral Medium in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.6 Sol leads 74.8 to 8.6.
  • The biggest single-benchmark swing is ARC-AGI-2: 92.5% for GPT-5.6 Sol and 0% for Magistral Medium.
  • Magistral Medium is cheaper at $2 / $5 per million input/output tokens, against $4 / $20 for GPT-5.6 Sol.
  • GPT-5.6 Sol accepts more context: 1.05M tokens versus 262K.
  • Magistral Medium has downloadable open weights; the other is API-only.

Side by side

GPT-5.6 Sol and Magistral Medium specifications
GPT-5.6 SolMagistral Medium
ProviderOpenAIMistral AI
Noometry Index65.035.2
Released2026-07-092025-03-17
WeightsProprietaryOpen
Context window1.05M262K
Max output128K16K
Input $ / M tokens$4$2
Output $ / M tokens$20$5
Results tracked6522

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Category by category

Coding GPT-5.6 Sol leads

GPT-5.6 Sol: 65.1 (#7), Magistral Medium: 39.1 (#161)

Coding benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
SciCode57.1%39.2%
LMArena Coding14981319
DeepSWE72.7%—
FrontierCode47.5%—
CursorBench41.7%—
LMArena WebDev1618—
FrontierSWE32.2%—
GSO76.5%—
WeirdML89.4%—
MirrorCode20%—
ALE-Bench2,177—

Agentic & Tool Use Not comparable

GPT-5.6 Sol: 50.3 (#7), Magistral Medium: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
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), Magistral Medium: 8.6 (#348)

Reasoning benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
ARC-AGI-292.5%0%
Kagi LLM Benchmark67%16.2%
ARC-AGI-197.5%6.1%
CritPt32.3%0.3%
LMArena Hard Prompts14841267
SimpleBench71.7%—
NYT Connections (extended)93.8%—
Chess Puzzles64%—
EnigmaEval37.1%—
EBR-Bench44.8%—
Mystery Game Puzzles58%—
DTBench96%—
LMCA59.2%—
Surface Evolver Bench93.1%—
Bench to the Future 30.14—
Epoch Capabilities Index161.66—

Math GPT-5.6 Sol leads

GPT-5.6 Sol: 85.6 (#9), Magistral Medium: 35.1 (#189)

Math benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
LMArena Math14741250
FrontierMath (Tiers 1-3)89.1%—
FrontierMath Tier 482.9%—
OTIS Mock AIME 2024-2025100%—
ProofBench83%—
FrontierMath Erdős0%—

Knowledge GPT-5.6 Sol leads

GPT-5.6 Sol: 64.3 (#18), Magistral Medium: 33.5 (#202)

Knowledge benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
LMArena Expert15161223
GPQA Diamond93.5%—
SimpleQA Verified69.7%—
Vectara Hallucination Rate12.4%—

Multimodal Not comparable

GPT-5.6 Sol: 48.6 (#9), Magistral Medium: —

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

Multilingual GPT-5.6 Sol leads

GPT-5.6 Sol: 55.3 (#32), Magistral Medium: 39.6 (#224)

Multilingual benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
LMArena Non-English14521232
LMArena Chinese15271227
LMArena French14771267
LMArena German14761248
LMArena Japanese14711175
LMArena Korean14421125
LMArena Russian14681224
LMArena Spanish14411271

Instruction Following GPT-5.6 Sol leads

GPT-5.6 Sol: 77.7 (#16), Magistral Medium: 66.0 (#211)

Instruction Following benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
LMArena Instruction Following14821254

Long Context GPT-5.6 Sol leads

GPT-5.6 Sol: 45.4 (#42), Magistral Medium: 39.3 (#183)

Long Context benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
LMArena Longer Query14801295

Writing & Preference GPT-5.6 Sol leads

GPT-5.6 Sol: 73.3 (#12), Magistral Medium: 46.3 (#219)

Writing & Preference benchmarks
BenchmarkGPT-5.6 SolMagistral Medium
LMArena Text14571255
LMArena Creative Writing14481245
LMArena Multi-Turn14601275
EQ-Bench Creative Writing1972—
EQ-Bench 41250—

Frequently asked questions

Is GPT-5.6 Sol better than Magistral Medium?

GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 35.2 on the Noometry Index. Magistral Medium costs 2.9× 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 Magistral Medium?

Magistral Medium is cheaper. It lists at $2 per million input tokens and $5 per million output tokens; GPT-5.6 Sol lists at $4 and $20.

Is GPT-5.6 Sol or Magistral Medium better for coding?

GPT-5.6 Sol scores higher on coding benchmarks: 65.1 versus 39.1 in the Noometry coding category.

Which has the bigger context window?

GPT-5.6 Sol does, with 1.05M tokens against 262K.

How many benchmarks do GPT-5.6 Sol and Magistral Medium share?

22 benchmarks have published results for both models. GPT-5.6 Sol has 65 scored results on Noometry and Magistral Medium has 22.

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