Noometry

Model comparison

GPT-5.5 Instant vs MiniMax-M2.7

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 37.7 on the Noometry Index.

Last verified . 20 shared benchmarks.

GPT-5.5 Instant OpenAI

42.7

Rank #110 Confirmed

MiniMax-M2.7 MiniMax

37.7

Rank #196 Confirmed

Summary

  • They share 20 benchmarks with published results for both. GPT-5.5 Instant scores higher in 8 categories and MiniMax-M2.7 in 0 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5.5 Instant leads 48.9 to 37.7.
  • MiniMax-M2.7 has downloadable open weights; the other is API-only.

Side by side

GPT-5.5 InstantMiniMax-M2.7
ProviderOpenAIMiniMax
Noometry Index42.737.7
Released2026-05-052026-03-18
WeightsProprietaryOpen
Context window—205K
Max output—131K
Input $ / M tokens—$0.30
Output $ / M tokens—$1.20
Results tracked2730

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Category by category

Coding GPT-5.5 Instant leads

GPT-5.5 Instant: 44.3 (#74), MiniMax-M2.7: 41.8 (#120)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
SciCode48.6%47%
LMArena Coding14331454
LMArena WebDev—1398
WeirdML—37%
ALE-Bench—599.25

Agentic & Tool Use Not comparable

GPT-5.5 Instant: —, MiniMax-M2.7: 25.1 (#111)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
Terminal-Bench—45.1%
ExploitBench—13.3%
GBAEval—0%

Reasoning GPT-5.5 Instant leads

GPT-5.5 Instant: 24.9 (#155), MiniMax-M2.7: 19.7 (#253)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
CritPt0%0.6%
LMArena Hard Prompts14261422
Epoch Capabilities Index142.52145.85
NYT Connections (extended)—24.7%
Chess Puzzles12%—
Thematic Generalization—39.3%

Math Too close to call

GPT-5.5 Instant: 26.5 (#259), MiniMax-M2.7: 25.9 (#263)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
LMArena Math14201420
FrontierMath (Tiers 1-3)26.3%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202568.1%—
ProofBench—3%

Knowledge GPT-5.5 Instant leads

GPT-5.5 Instant: 48.9 (#74), MiniMax-M2.7: 37.7 (#152)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
LMArena Expert14091444
GPQA Diamond82.5%—
Vectara Hallucination Rate—12.9%

Multimodal Not comparable

GPT-5.5 Instant: 40.0 (#52), MiniMax-M2.7: —

BenchmarkGPT-5.5 InstantMiniMax-M2.7
LMArena Vision1250—
LMArena Document1403—

Multilingual GPT-5.5 Instant leads

GPT-5.5 Instant: 52.8 (#80), MiniMax-M2.7: 50.3 (#123)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
LMArena Non-English14171382
LMArena Chinese14561441
LMArena French14281421
LMArena German14111398
LMArena Japanese14081262
LMArena Korean13921313
LMArena Russian14311383
LMArena Spanish14291403

Instruction Following Too close to call

GPT-5.5 Instant: 74.2 (#100), MiniMax-M2.7: 74.1 (#103)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
LMArena Instruction Following14061405

Long Context Too close to call

GPT-5.5 Instant: 43.4 (#96), MiniMax-M2.7: 43.3 (#99)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
LMArena Longer Query14221419

Writing & Preference GPT-5.5 Instant leads

GPT-5.5 Instant: 61.8 (#85), MiniMax-M2.7: 58.9 (#112)

BenchmarkGPT-5.5 InstantMiniMax-M2.7
LMArena Text14191405
LMArena Creative Writing14191354
LMArena Multi-Turn14331412

Frequently asked questions

Is GPT-5.5 Instant better than MiniMax-M2.7?

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 37.7 on the Noometry Index.

Is GPT-5.5 Instant or MiniMax-M2.7 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-M2.7 share?

20 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and MiniMax-M2.7 has 30.

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