Noometry

Model comparison

Claude Sonnet 5 vs Magistral Medium

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 34.8 on the Noometry Index.

Last verified . 19 shared benchmarks.

Claude Sonnet 5 Anthropic

54.5

Rank #26 Confirmed

Magistral Medium Mistral AI

34.8

Rank #224 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude Sonnet 5 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 Claude Sonnet 5 leads 48.2 to 8.7.
  • The biggest single-benchmark swing is CritPt: 16.9% for Claude Sonnet 5 and 0.3% for Magistral Medium.
  • Magistral Medium is cheaper at $2 / $5 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
  • Claude Sonnet 5 accepts more context: 1M tokens versus 128K.
  • Magistral Medium has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5Magistral Medium
ProviderAnthropicMistral AI
Noometry Index54.534.8
Released2026-06-292025-03-17
WeightsProprietaryOpen
Context window1M128K
Max output128K16K
Input $ / M tokens$2$2
Output $ / M tokens$10$5
Results tracked5122

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#20), Magistral Medium: 38.6 (#161)

BenchmarkClaude Sonnet 5Magistral Medium
SciCode53.6%39.2%
LMArena Coding14831319
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1540—
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.7 (#16), Magistral Medium: —

BenchmarkClaude Sonnet 5Magistral Medium
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 48.2 (#37), Magistral Medium: 8.7 (#342)

BenchmarkClaude Sonnet 5Magistral Medium
CritPt16.9%0.3%
LMArena Hard Prompts14611267
ARC-AGI-2—0%
SimpleBench60.6%—
Kagi LLM Benchmark—16.2%
NYT Connections (extended)75.1%—
ARC-AGI-1—6.1%
Chess Puzzles35%—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.34—
ForecastBench61.1—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.1 (#21), Magistral Medium: 32.4 (#187)

BenchmarkClaude Sonnet 5Magistral Medium
LMArena Math14671249
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.7 (#42), Magistral Medium: 32.9 (#199)

BenchmarkClaude Sonnet 5Magistral Medium
LMArena Expert14911222
GPQA Diamond90.5%—
SimpleQA Verified33.7%—

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#26), Magistral Medium: —

BenchmarkClaude Sonnet 5Magistral Medium
LMArena Vision1275—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 54.0 (#55), Magistral Medium: 39.8 (#219)

BenchmarkClaude Sonnet 5Magistral Medium
LMArena Non-English14311232
LMArena Chinese14751225
LMArena French14571268
LMArena German14481248
LMArena Japanese14221176
LMArena Korean14111125
LMArena Russian14521224
LMArena Spanish14361269

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.6 (#39), Magistral Medium: 66.2 (#207)

BenchmarkClaude Sonnet 5Magistral Medium
LMArena Instruction Following14531254

Long Context Claude Sonnet 5 leads

Claude Sonnet 5: 44.8 (#53), Magistral Medium: 39.3 (#178)

BenchmarkClaude Sonnet 5Magistral Medium
LMArena Longer Query14641295

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.4 (#24), Magistral Medium: 46.5 (#214)

BenchmarkClaude Sonnet 5Magistral Medium
LMArena Text14431255
LMArena Creative Writing14161245
LMArena Multi-Turn14541275
EQ-Bench Creative Writing1794—
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than Magistral Medium?

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 34.8 on the Noometry Index.

Which is cheaper, Claude Sonnet 5 or Magistral Medium?

Magistral Medium is cheaper. It lists at $2 per million input tokens and $5 per million output tokens; Claude Sonnet 5 lists at $2 and $10.

Is Claude Sonnet 5 or Magistral Medium better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 38.6 in the Noometry coding category.

Which has the bigger context window?

Claude Sonnet 5 does, with 1M tokens against 128K.

How many benchmarks do Claude Sonnet 5 and Magistral Medium share?

19 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Magistral Medium has 22.

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