Model comparison
Grok Build 0.1 vs o3-mini
Grok Build 0.1 and o3-mini score almost the same on the Noometry Index (36.4 vs 36.7), so choose on price, context window or the category you care about most.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. Grok Build 0.1 scores higher in 2 categories and o3-mini in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok Build 0.1 leads 32.2 to 16.3.
- The biggest single-benchmark swing is SciCode: 50.2% for Grok Build 0.1 and 39.8% for o3-mini.
- Grok Build 0.1 is cheaper at $1 / $2 per million input/output tokens, against $1.10 / $4.40 for o3-mini.
- Grok Build 0.1 accepts more context: 256K tokens versus 200K.
Side by side
| Grok Build 0.1 | o3-mini | |
|---|---|---|
| Provider | xAI | OpenAI |
| Noometry Index | 36.4 | 36.7 |
| Released | 2026-04-16 | 2024-12-20 |
| Weights | Proprietary | Proprietary |
| Context window | 256K | 200K |
| Max output | 256K | 100K |
| Input $ / M tokens | $1 | $1.10 |
| Output $ / M tokens | $2 | $4.40 |
| Results tracked | 3 | 51 |
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Category by category
Coding Grok Build 0.1 leads
Grok Build 0.1: 43.1 (#91), o3-mini: 40.8 (#132)
| Benchmark | Grok Build 0.1 | o3-mini |
|---|---|---|
| SciCode | 50.2% | 39.8% |
| Aider Polyglot | — | 60.4% |
| GSO | — | 1.3% |
| WeirdML | — | 43.7% |
| LiveBench Coding | — | 82.7% |
| LMArena Coding | — | 1378 |
| CadEval | — | 54% |
Agentic & Tool Use o3-mini leads
Grok Build 0.1: 22.7 (#129), o3-mini: 29.6 (#84)
Reasoning Grok Build 0.1 leads
Grok Build 0.1: 32.2 (#77), o3-mini: 16.3 (#305)
| Benchmark | Grok Build 0.1 | o3-mini |
|---|---|---|
| CritPt | 9.1% | 0.3% |
| ARC-AGI-2 | — | 3% |
| SimpleBench | — | 22.8% |
| ARC-AGI-1 | — | 34.5% |
| Chess Puzzles | — | 17% |
| LiveBench Reasoning | — | 89.6% |
| LMArena Hard Prompts | — | 1366 |
| Mystery Game Puzzles | — | 7% |
| DTBench | — | 68.8% |
| LiveBench Data Analysis | — | 70.6% |
| LMCA | — | 19% |
| Epoch Capabilities Index | — | 140.34 |
| ForecastBench | — | 59.6 |
| LiveBench | — | 75.9% |
Math Not comparable
Grok Build 0.1: —, o3-mini: 28.1 (#244)
| Benchmark | Grok Build 0.1 | o3-mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| OTIS Mock AIME 2024-2025 | — | 76.9% |
| LiveBench Math | — | 77.3% |
| LMArena Math | — | 1396 |
| MATH Level 5 | — | 96.5% |
| FrontierMath (Feb 2025 set) | — | 12.4% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Not comparable
Grok Build 0.1: —, o3-mini: 38.3 (#146)
| Benchmark | Grok Build 0.1 | o3-mini |
|---|---|---|
| GPQA Diamond | — | 77% |
| SimpleQA Verified | — | 15.3% |
| Confabulations | — | 17.9% |
| LMArena Expert | — | 1364 |
Multilingual Not comparable
Grok Build 0.1: —, o3-mini: 45.7 (#164)
| Benchmark | Grok Build 0.1 | o3-mini |
|---|---|---|
| LMArena Non-English | — | 1319 |
| LMArena Chinese | — | 1379 |
| LMArena French | — | 1334 |
| LMArena German | — | 1303 |
| LMArena Japanese | — | 1286 |
| LMArena Korean | — | 1314 |
| LMArena Russian | — | 1304 |
| LMArena Spanish | — | 1321 |
Instruction Following Not comparable
Grok Build 0.1: —, o3-mini: 75.1 (#72)
| Benchmark | Grok Build 0.1 | o3-mini |
|---|---|---|
| LiveBench Instruction Following | — | 84.4% |
| LMArena Instruction Following | — | 1337 |
Long Context Not comparable
Grok Build 0.1: —, o3-mini: 33.8 (#256)
| Benchmark | Grok Build 0.1 | o3-mini |
|---|---|---|
| Fiction.LiveBench | — | 50% |
| LMArena Longer Query | — | 1343 |
Writing & Preference Not comparable
Grok Build 0.1: —, o3-mini: 50.3 (#182)
| Benchmark | Grok Build 0.1 | o3-mini |
|---|---|---|
| LMArena Text | — | 1337 |
| LMArena Creative Writing | — | 1286 |
| Short-Story Creative Writing | — | 61.7% |
| LMArena Multi-Turn | — | 1320 |
| LiveBench Language | — | 50.7% |
Frequently asked questions
Is Grok Build 0.1 better than o3-mini?
Grok Build 0.1 and o3-mini score almost the same on the Noometry Index (36.4 vs 36.7), so choose on price, context window or the category you care about most.
Which is cheaper, Grok Build 0.1 or o3-mini?
Grok Build 0.1 is cheaper. It lists at $1 per million input tokens and $2 per million output tokens; o3-mini lists at $1.10 and $4.40.
Is Grok Build 0.1 or o3-mini better for coding?
Grok Build 0.1 scores higher on coding benchmarks: 43.1 versus 40.8 in the Noometry coding category.
Which has the bigger context window?
Grok Build 0.1 does, with 256K tokens against 200K.
How many benchmarks do Grok Build 0.1 and o3-mini share?
2 benchmarks have published results for both models. Grok Build 0.1 has 3 scored results on Noometry and o3-mini has 51.