Model comparison

GPT-5.5 Pro vs MiniMax M1

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 40.3 on the Noometry Index. MiniMax M1 costs 70× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.

Last verified . 0 shared benchmarks.

GPT-5.5 Pro OpenAI

64.3

Rank #8 Confirmed

MiniMax M1 MiniMax

40.3

Rank #150 Confirmed

Summary

  • The widest gap is in math, where GPT-5.5 Pro leads 84.0 to 37.5.
  • MiniMax M1 is cheaper at $0.55 / $2.20 per million input/output tokens, against $30 / $180 for GPT-5.5 Pro.
  • GPT-5.5 Pro accepts more context: 1.05M tokens versus 1M.
  • MiniMax M1 has downloadable open weights; the other is API-only.

Side by side

GPT-5.5 Pro and MiniMax M1 specifications
GPT-5.5 ProMiniMax M1
ProviderOpenAIMiniMax
Noometry Index64.340.3
Released2026-04-232025-06-13
WeightsProprietaryOpen
Context window1.05M1M
Max output128K40K
Input $ / M tokens$30$0.55
Output $ / M tokens$180$2.20
Results tracked1418

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Category by category

Coding Not comparable

GPT-5.5 Pro: —, MiniMax M1: 39.9 (#153)

Coding benchmarks
BenchmarkGPT-5.5 ProMiniMax M1
LMArena Coding—1359

Reasoning GPT-5.5 Pro leads

GPT-5.5 Pro: 73.3 (#10), MiniMax M1: 26.9 (#126)

Reasoning benchmarks
BenchmarkGPT-5.5 ProMiniMax M1
ARC-AGI-284.6%—
SimpleBench76.9%—
ARC-AGI-196.5%—
CritPt30.6%—
Chess Puzzles64%—
LMArena Hard Prompts—1339
DTBench96%—
LMCA53.9%—
Epoch Capabilities Index162.07—

Math GPT-5.5 Pro leads

GPT-5.5 Pro: 84.0 (#10), MiniMax M1: 37.5 (#151)

Math benchmarks
BenchmarkGPT-5.5 ProMiniMax M1
FrontierMath (Tiers 1-3)87.7%—
FrontierMath Tier 478%—
OTIS Mock AIME 2024-2025100%—
LMArena Math—1361
FrontierMath (Feb 2025 set)52.4%—
FrontierMath Tier 4 (v1)39.6%—

Knowledge GPT-5.5 Pro leads

GPT-5.5 Pro: 64.1 (#19), MiniMax M1: 36.4 (#170)

Knowledge benchmarks
BenchmarkGPT-5.5 ProMiniMax M1
GPQA Diamond93.9%—
LMArena Expert—1317

Multilingual Not comparable

GPT-5.5 Pro: —, MiniMax M1: 45.8 (#163)

Multilingual benchmarks
BenchmarkGPT-5.5 ProMiniMax M1
LMArena Non-English—1319
LMArena Chinese—1360
LMArena French—1370
LMArena German—1350
LMArena Japanese—1217
LMArena Korean—1266
LMArena Russian—1329
LMArena Spanish—1353

Instruction Following Not comparable

GPT-5.5 Pro: —, MiniMax M1: 69.3 (#174)

Instruction Following benchmarks
BenchmarkGPT-5.5 ProMiniMax M1
LMArena Instruction Following—1312

Long Context Not comparable

GPT-5.5 Pro: —, MiniMax M1: 41.4 (#141)

Long Context benchmarks
BenchmarkGPT-5.5 ProMiniMax M1
Fiction.LiveBench—69.4%
LMArena Longer Query—1326

Writing & Preference Not comparable

GPT-5.5 Pro: —, MiniMax M1: 53.1 (#161)

Writing & Preference benchmarks
BenchmarkGPT-5.5 ProMiniMax M1
LMArena Text—1343
LMArena Creative Writing—1298
LMArena Multi-Turn—1335

Frequently asked questions

Is GPT-5.5 Pro better than MiniMax M1?

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 40.3 on the Noometry Index. MiniMax M1 costs 70× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.

Which is cheaper, GPT-5.5 Pro or MiniMax M1?

MiniMax M1 is cheaper. It lists at $0.55 per million input tokens and $2.20 per million output tokens; GPT-5.5 Pro lists at $30 and $180.

Which has the bigger context window?

GPT-5.5 Pro does, with 1.05M tokens against 1M.

How many benchmarks do GPT-5.5 Pro and MiniMax M1 share?

0 benchmarks have published results for both models. GPT-5.5 Pro has 14 scored results on Noometry and MiniMax M1 has 18.

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