Model comparison
MiniMax-M2.5 vs Olmo 3.1 32b Instruct
Olmo 3.1 32b Instruct is the stronger model overall, scoring 39.4 to 38.3 on the Noometry Index.
Last verified . 16 shared benchmarks.
MiniMax
Allen Institute for AI (Ai2)Summary
- They share 16 benchmarks with published results for both. MiniMax-M2.5 scores higher in 5 categories and Olmo 3.1 32b Instruct in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Olmo 3.1 32b Instruct leads 36.3 to 26.9.
Side by side
| MiniMax-M2.5 | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | MiniMax | Allen Institute for AI (Ai2) |
| Noometry Index | 38.3 | 39.4 |
| Released | 2026-02-12 | — |
| Weights | Open | Open |
| Context window | 205K | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $1.20 | — |
| Results tracked | 33 | 16 |
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Category by category
Coding MiniMax-M2.5 leads
MiniMax-M2.5: 48.1 (#58), Olmo 3.1 32b Instruct: 39.5 (#157)
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1381 | 1347 |
| SWE-bench Verified (bash only) | 75.8% | — |
| LMArena WebDev | 1387 | — |
| SWE-bench Multilingual | 68.3% | — |
| ALE-Bench | 618.17 | — |
Agentic & Tool Use Not comparable
MiniMax-M2.5: 30.4 (#77), Olmo 3.1 32b Instruct: —
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| Terminal-Bench | 42.7% | — |
| Vending-Bench 2 | -23.16 | — |
Reasoning Olmo 3.1 32b Instruct leads
MiniMax-M2.5: 17.5 (#292), Olmo 3.1 32b Instruct: 26.4 (#132)
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1372 | 1322 |
| ARC-AGI-2 | 4.9% | — |
| Kagi LLM Benchmark | 55.2% | — |
| NYT Connections (extended) | 16.8% | — |
| ARC-AGI-1 | 63.7% | — |
| Epoch Capabilities Index | 146.68 | — |
Math Olmo 3.1 32b Instruct leads
MiniMax-M2.5: 26.9 (#253), Olmo 3.1 32b Instruct: 36.3 (#167)
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1378 | 1305 |
| ProofBench | 4% | — |
Knowledge MiniMax-M2.5 leads
MiniMax-M2.5: 39.2 (#135), Olmo 3.1 32b Instruct: 36.1 (#175)
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1379 | 1308 |
| Vectara Hallucination Rate | 9.1% | — |
Multilingual MiniMax-M2.5 leads
MiniMax-M2.5: 47.1 (#152), Olmo 3.1 32b Instruct: 42.6 (#191)
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1338 | 1275 |
| LMArena Chinese | 1393 | 1304 |
| LMArena French | 1362 | 1328 |
| LMArena German | 1362 | 1282 |
| LMArena Korean | 1232 | 1206 |
| LMArena Russian | 1358 | 1268 |
| LMArena Spanish | 1354 | 1336 |
| LMArena Japanese | 1171 | — |
Instruction Following MiniMax-M2.5 leads
MiniMax-M2.5: 71.5 (#148), Olmo 3.1 32b Instruct: 68.6 (#187)
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1353 | 1299 |
Long Context Olmo 3.1 32b Instruct leads
MiniMax-M2.5: 37.5 (#216), Olmo 3.1 32b Instruct: 39.9 (#166)
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1366 | 1312 |
| CL-bench | 11.4% | — |
| CL-bench Life | 6.3% | — |
Writing & Preference MiniMax-M2.5 leads
MiniMax-M2.5: 53.9 (#153), Olmo 3.1 32b Instruct: 50.2 (#185)
| Benchmark | MiniMax-M2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1359 | 1311 |
| LMArena Creative Writing | 1331 | 1264 |
| LMArena Multi-Turn | 1364 | 1309 |
| EQ-Bench Creative Writing | 1361 | — |
Frequently asked questions
Is MiniMax-M2.5 better than Olmo 3.1 32b Instruct?
Olmo 3.1 32b Instruct is the stronger model overall, scoring 39.4 to 38.3 on the Noometry Index.
Is MiniMax-M2.5 or Olmo 3.1 32b Instruct better for coding?
MiniMax-M2.5 scores higher on coding benchmarks: 48.1 versus 39.5 in the Noometry coding category.
How many benchmarks do MiniMax-M2.5 and Olmo 3.1 32b Instruct share?
16 benchmarks have published results for both models. MiniMax-M2.5 has 33 scored results on Noometry and Olmo 3.1 32b Instruct has 16.