Model comparison
MiniMax-M2.1 vs o3-pro
o3-pro is the stronger model overall, scoring 42.9 to 38.9 on the Noometry Index. MiniMax-M2.1 costs 67× less per token, which makes it the better buy when o3-pro's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
MiniMaxSummary
- They share 1 benchmark with published results for both. MiniMax-M2.1 scores higher in 2 categories and o3-pro in 3 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in long context, where o3-pro leads 72.2 to 43.2.
- The biggest single-benchmark swing is Vectara Hallucination Rate: 11.8% for MiniMax-M2.1 and 23.3% for o3-pro.
- MiniMax-M2.1 is cheaper at $0.30 / $1.20 per million input/output tokens, against $20 / $80 for o3-pro.
- MiniMax-M2.1 accepts more context: 205K tokens versus 200K.
- MiniMax-M2.1 has downloadable open weights; the other is API-only.
Side by side
| MiniMax-M2.1 | o3-pro | |
|---|---|---|
| Provider | MiniMax | OpenAI |
| Noometry Index | 38.9 | 42.9 |
| Released | 2025-12-23 | 2025-06-10 |
| Weights | Open | Proprietary |
| Context window | 205K | 200K |
| Max output | 131K | 100K |
| Input $ / M tokens | $0.30 | $20 |
| Output $ / M tokens | $1.20 | $80 |
| Results tracked | 22 | 12 |
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Category by category
Coding o3-pro leads
MiniMax-M2.1: 40.4 (#143), o3-pro: 55.5 (#24)
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| LMArena WebDev | 1384 | — |
| WeirdML | — | 58.2% |
| LMArena Coding | 1421 | — |
| ALE-Bench | 623.83 | — |
Agentic & Tool Use Not comparable
MiniMax-M2.1: 27.9 (#98), o3-pro: —
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| Terminal-Bench | 36.6% | — |
Reasoning o3-pro leads
MiniMax-M2.1: 16.6 (#302), o3-pro: 23.8 (#171)
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| NYT Connections (extended) | 11.2% | — |
| ARC-AGI-1 | — | 59.3% |
| LMArena Hard Prompts | 1411 | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.42 |
Math Not comparable
MiniMax-M2.1: 38.3 (#138), o3-pro: —
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| LMArena Math | 1397 | — |
Knowledge MiniMax-M2.1 leads
MiniMax-M2.1: 38.3 (#147), o3-pro: 29.5 (#238)
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| Vectara Hallucination Rate | 11.8% | 23.3% |
| Confabulations | — | 14.2% |
| LMArena Expert | 1431 | — |
Multilingual Not comparable
MiniMax-M2.1: 50.0 (#128), o3-pro: —
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| LMArena Non-English | 1378 | — |
| LMArena Chinese | 1430 | — |
| LMArena French | 1404 | — |
| LMArena German | 1381 | — |
| LMArena Japanese | 1287 | — |
| LMArena Korean | 1298 | — |
| LMArena Russian | 1387 | — |
| LMArena Spanish | 1397 | — |
Instruction Following Not comparable
MiniMax-M2.1: 73.8 (#112), o3-pro: —
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| LMArena Instruction Following | 1400 | — |
Long Context o3-pro leads
MiniMax-M2.1: 43.2 (#101), o3-pro: 72.2 (#1)
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
| LMArena Longer Query | 1416 | — |
Writing & Preference MiniMax-M2.1 leads
MiniMax-M2.1: 58.3 (#120), o3-pro: 57.1 (#133)
| Benchmark | MiniMax-M2.1 | o3-pro |
|---|---|---|
| LMArena Text | 1392 | — |
| LMArena Creative Writing | 1361 | — |
| Short-Story Creative Writing | — | 84.4% |
| LMArena Multi-Turn | 1396 | — |
Frequently asked questions
Is MiniMax-M2.1 better than o3-pro?
o3-pro is the stronger model overall, scoring 42.9 to 38.9 on the Noometry Index. MiniMax-M2.1 costs 67× less per token, which makes it the better buy when o3-pro's lead doesn't matter for your workload.
Which is cheaper, MiniMax-M2.1 or o3-pro?
MiniMax-M2.1 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; o3-pro lists at $20 and $80.
Is MiniMax-M2.1 or o3-pro better for coding?
o3-pro scores higher on coding benchmarks: 55.5 versus 40.4 in the Noometry coding category.
Which has the bigger context window?
MiniMax-M2.1 does, with 205K tokens against 200K.
How many benchmarks do MiniMax-M2.1 and o3-pro share?
1 benchmark has published results for both models. MiniMax-M2.1 has 22 scored results on Noometry and o3-pro has 12.