Model comparison
Grok-3 mini vs Olmo 3.1 32b Instruct
Grok-3 mini is the stronger model overall, scoring 41.2 to 39.4 on the Noometry Index.
Last verified . 16 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 16 benchmarks with published results for both. Grok-3 mini scores higher in 7 categories and Olmo 3.1 32b Instruct in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Olmo 3.1 32b Instruct leads 26.4 to 13.6.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| Grok-3 mini | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | xAI | Allen Institute for AI (Ai2) |
| Noometry Index | 41.2 | 39.4 |
| Released | 2025-04-09 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 35 | 16 |
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Category by category
Coding Grok-3 mini leads
Grok-3 mini: 40.8 (#131), Olmo 3.1 32b Instruct: 39.5 (#157)
| Benchmark | Grok-3 mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1379 | 1347 |
| Aider Polyglot | 49.3% | — |
| WeirdML | 42.6% | — |
Reasoning Olmo 3.1 32b Instruct leads
Grok-3 mini: 13.6 (#334), Olmo 3.1 32b Instruct: 26.4 (#132)
| Benchmark | Grok-3 mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1375 | 1322 |
| ARC-AGI-2 | 0.4% | — |
| Kagi LLM Benchmark | 61.3% | — |
| ARC-AGI-1 | 16.5% | — |
| Epoch Capabilities Index | 140.35 | — |
Math Grok-3 mini leads
Grok-3 mini: 42.1 (#85), Olmo 3.1 32b Instruct: 36.3 (#167)
| Benchmark | Grok-3 mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1386 | 1305 |
| OTIS Mock AIME 2024-2025 | 77.8% | — |
| Omni-MATH | 31.8% | — |
| MATH Level 5 | 90.9% | — |
| FrontierMath (Feb 2025 set) | 5.9% | — |
Knowledge Grok-3 mini leads
Grok-3 mini: 46.4 (#81), Olmo 3.1 32b Instruct: 36.1 (#175)
| Benchmark | Grok-3 mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1395 | 1308 |
| GPQA Diamond | 76.3% | — |
| MMLU-Pro | 79.9% | — |
| Confabulations | 10.8% | — |
| GPQA (HELM) | 67.5% | — |
Multilingual Grok-3 mini leads
Grok-3 mini: 48.1 (#145), Olmo 3.1 32b Instruct: 42.6 (#191)
| Benchmark | Grok-3 mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1352 | 1275 |
| LMArena Chinese | 1387 | 1304 |
| LMArena French | 1357 | 1328 |
| LMArena German | 1349 | 1282 |
| LMArena Korean | 1335 | 1206 |
| LMArena Russian | 1353 | 1268 |
| LMArena Spanish | 1381 | 1336 |
| LMArena Japanese | 1342 | — |
Instruction Following Grok-3 mini leads
Grok-3 mini: 78.5 (#9), Olmo 3.1 32b Instruct: 68.6 (#187)
| Benchmark | Grok-3 mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1357 | 1299 |
| IFEval | 95.1% | — |
Long Context Grok-3 mini leads
Grok-3 mini: 41.0 (#147), Olmo 3.1 32b Instruct: 39.9 (#166)
| Benchmark | Grok-3 mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1372 | 1312 |
| Fiction.LiveBench | 66.7% | — |
Writing & Preference Grok-3 mini leads
Grok-3 mini: 52.5 (#169), Olmo 3.1 32b Instruct: 50.2 (#185)
| Benchmark | Grok-3 mini | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1370 | 1311 |
| LMArena Creative Writing | 1342 | 1264 |
| LMArena Multi-Turn | 1355 | 1309 |
| Short-Story Creative Writing | 73.5% | — |
| WildBench | 65.1% | — |
Frequently asked questions
Is Grok-3 mini better than Olmo 3.1 32b Instruct?
Grok-3 mini is the stronger model overall, scoring 41.2 to 39.4 on the Noometry Index.
Is Grok-3 mini or Olmo 3.1 32b Instruct better for coding?
Grok-3 mini scores higher on coding benchmarks: 40.8 versus 39.5 in the Noometry coding category.
How many benchmarks do Grok-3 mini and Olmo 3.1 32b Instruct share?
16 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Olmo 3.1 32b Instruct has 16.