Noometry

Model comparison

GPT-5.5 Instant vs MiniMax-M3

MiniMax-M3 is the stronger model overall, scoring 43.8 to 42.7 on the Noometry Index.

Last verified . 25 shared benchmarks.

GPT-5.5 Instant OpenAI

42.7

Rank #110 Confirmed

MiniMax-M3 MiniMax

43.8

Rank #85 Confirmed

Summary

  • They share 25 benchmarks with published results for both. GPT-5.5 Instant scores higher in 1 category and MiniMax-M3 in 8 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in math, where MiniMax-M3 leads 40.0 to 26.5.
  • The biggest single-benchmark swing is GPQA Diamond: 82.5% for GPT-5.5 Instant and 90.9% for MiniMax-M3.
  • MiniMax-M3 has downloadable open weights; the other is API-only.

Side by side

GPT-5.5 InstantMiniMax-M3
ProviderOpenAIMiniMax
Noometry Index42.743.8
Released2026-05-052026-06-01
WeightsProprietaryOpen
Context window—1M
Max output—512K
Input $ / M tokens—$0.30
Output $ / M tokens—$1.20
Results tracked2741

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Category by category

Coding GPT-5.5 Instant leads

GPT-5.5 Instant: 44.3 (#74), MiniMax-M3: 41.8 (#118)

BenchmarkGPT-5.5 InstantMiniMax-M3
SciCode48.6%47.1%
LMArena Coding14331469
FrontierCode—14.7%
LMArena WebDev—1482
ALE-Bench—640.02

Agentic & Tool Use Not comparable

GPT-5.5 Instant: —, MiniMax-M3: 22.6 (#130)

BenchmarkGPT-5.5 InstantMiniMax-M3
APEX-Agents—37.7%
OSWorld 2.0—4.6%
GBAEval—0.9%
Vending-Bench 2—2,158

Reasoning MiniMax-M3 leads

GPT-5.5 Instant: 24.9 (#155), MiniMax-M3: 30.1 (#87)

BenchmarkGPT-5.5 InstantMiniMax-M3
CritPt0%3.7%
Chess Puzzles12%14%
LMArena Hard Prompts14261447
Epoch Capabilities Index142.52146.95
SimpleBench—45.8%
NYT Connections (extended)—65.1%
Mystery Game Puzzles—8%
DTBench—78.9%
LMCA—33.7%
Surface Evolver Bench—55%
ForecastBench—61.4

Math MiniMax-M3 leads

GPT-5.5 Instant: 26.5 (#259), MiniMax-M3: 40.0 (#95)

BenchmarkGPT-5.5 InstantMiniMax-M3
OTIS Mock AIME 2024-202568.1%71.1%
LMArena Math14201429
FrontierMath (Tiers 1-3)26.3%—
FrontierMath Tier 42.4%—
ProofBench—18%

Knowledge MiniMax-M3 leads

GPT-5.5 Instant: 48.9 (#74), MiniMax-M3: 58.4 (#35)

BenchmarkGPT-5.5 InstantMiniMax-M3
GPQA Diamond82.5%90.9%
LMArena Expert14091461

Multimodal Too close to call

GPT-5.5 Instant: 40.0 (#52), MiniMax-M3: 40.2 (#51)

BenchmarkGPT-5.5 InstantMiniMax-M3
LMArena Vision12501253
LMArena Document14031435

Multilingual Too close to call

GPT-5.5 Instant: 52.8 (#80), MiniMax-M3: 53.0 (#75)

BenchmarkGPT-5.5 InstantMiniMax-M3
LMArena Non-English14171420
LMArena Chinese14561463
LMArena French14281447
LMArena German14111426
LMArena Japanese14081381
LMArena Korean13921372
LMArena Russian14311428
LMArena Spanish14291432

Instruction Following MiniMax-M3 leads

GPT-5.5 Instant: 74.2 (#100), MiniMax-M3: 75.5 (#62)

BenchmarkGPT-5.5 InstantMiniMax-M3
LMArena Instruction Following14061433

Long Context Too close to call

GPT-5.5 Instant: 43.4 (#96), MiniMax-M3: 44.2 (#72)

BenchmarkGPT-5.5 InstantMiniMax-M3
LMArena Longer Query14221445

Writing & Preference Too close to call

GPT-5.5 Instant: 61.8 (#85), MiniMax-M3: 62.1 (#83)

BenchmarkGPT-5.5 InstantMiniMax-M3
LMArena Text14191433
LMArena Creative Writing14191404
LMArena Multi-Turn14331442
EQ-Bench 4—1150

Frequently asked questions

Is GPT-5.5 Instant better than MiniMax-M3?

MiniMax-M3 is the stronger model overall, scoring 43.8 to 42.7 on the Noometry Index.

Is GPT-5.5 Instant or MiniMax-M3 better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 41.8 in the Noometry coding category.

How many benchmarks do GPT-5.5 Instant and MiniMax-M3 share?

25 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and MiniMax-M3 has 41.

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