Noometry

Model comparison

GPT-5.3 Chat vs MiniMax-M3

MiniMax-M3 is the stronger model overall, scoring 43.8 to 42.8 on the Noometry Index.

Last verified . 17 shared benchmarks.

GPT-5.3 Chat OpenAI

42.8

Rank #109 Confirmed

MiniMax-M3 MiniMax

43.8

Rank #85 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GPT-5.3 Chat scores higher in 1 category and MiniMax-M3 in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where MiniMax-M3 leads 58.4 to 38.8.
  • MiniMax-M3 is cheaper at $0.30 / $1.20 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Chat.
  • MiniMax-M3 accepts more context: 1M tokens versus 128K.
  • MiniMax-M3 has downloadable open weights; the other is API-only.

Side by side

GPT-5.3 ChatMiniMax-M3
ProviderOpenAIMiniMax
Noometry Index42.843.8
Released2026-03-032026-06-01
WeightsProprietaryOpen
Context window128K1M
Max output16K512K
Input $ / M tokens$1.75$0.30
Output $ / M tokens$14$1.20
Results tracked1841

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Too close to call

GPT-5.3 Chat: 41.4 (#124), MiniMax-M3: 41.8 (#118)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Coding14081469
FrontierCode—14.7%
LMArena WebDev—1482
SciCode—47.1%
ALE-Bench—640.02

Agentic & Tool Use Not comparable

GPT-5.3 Chat: —, MiniMax-M3: 22.6 (#130)

BenchmarkGPT-5.3 ChatMiniMax-M3
APEX-Agents—37.7%
OSWorld 2.0—4.6%
GBAEval—0.9%
Vending-Bench 2—2,158

Reasoning MiniMax-M3 leads

GPT-5.3 Chat: 28.5 (#102), MiniMax-M3: 30.1 (#87)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Hard Prompts13991447
SimpleBench—45.8%
NYT Connections (extended)—65.1%
CritPt—3.7%
Chess Puzzles—14%
Mystery Game Puzzles—8%
DTBench—78.9%
LMCA—33.7%
Surface Evolver Bench—55%
Epoch Capabilities Index—146.95
ForecastBench—61.4

Math MiniMax-M3 leads

GPT-5.3 Chat: 38.2 (#142), MiniMax-M3: 40.0 (#95)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Math13891429
OTIS Mock AIME 2024-2025—71.1%
ProofBench—18%

Knowledge MiniMax-M3 leads

GPT-5.3 Chat: 38.8 (#140), MiniMax-M3: 58.4 (#35)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Expert13971461
GPQA Diamond—90.9%

Multimodal Not comparable

GPT-5.3 Chat: —, MiniMax-M3: 40.2 (#51)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Vision—1253
LMArena Document—1435

Multilingual MiniMax-M3 leads

GPT-5.3 Chat: 50.3 (#124), MiniMax-M3: 53.0 (#75)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Non-English13821420
LMArena Chinese14321463
LMArena French13971447
LMArena German13841426
LMArena Japanese13521381
LMArena Korean13461372
LMArena Russian14001428
LMArena Spanish13711432

Instruction Following MiniMax-M3 leads

GPT-5.3 Chat: 72.8 (#129), MiniMax-M3: 75.5 (#62)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Instruction Following13781433

Long Context MiniMax-M3 leads

GPT-5.3 Chat: 42.6 (#120), MiniMax-M3: 44.2 (#72)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Longer Query13961445

Writing & Preference GPT-5.3 Chat leads

GPT-5.3 Chat: 63.1 (#68), MiniMax-M3: 62.1 (#83)

BenchmarkGPT-5.3 ChatMiniMax-M3
LMArena Text13891433
LMArena Creative Writing13551404
LMArena Multi-Turn14121442
EQ-Bench Creative Writing1690—
EQ-Bench 4—1150

Frequently asked questions

Is GPT-5.3 Chat better than MiniMax-M3?

MiniMax-M3 is the stronger model overall, scoring 43.8 to 42.8 on the Noometry Index.

Which is cheaper, GPT-5.3 Chat or MiniMax-M3?

MiniMax-M3 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; GPT-5.3 Chat lists at $1.75 and $14.

Is GPT-5.3 Chat or MiniMax-M3 better for coding?

They score almost the same on coding (41.4 vs 41.8); test both on your own repository before choosing.

Which has the bigger context window?

MiniMax-M3 does, with 1M tokens against 128K.

How many benchmarks do GPT-5.3 Chat and MiniMax-M3 share?

17 benchmarks have published results for both models. GPT-5.3 Chat has 18 scored results on Noometry and MiniMax-M3 has 41.

Related comparisons

Go deeper