Model comparison
Grok Build 0.1 vs o1
o1 is the stronger model overall, scoring 40.9 to 36.4 on the Noometry Index. Grok Build 0.1 costs 21× less per token, which makes it the better buy when o1's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where Grok Build 0.1 leads 32.2 to 27.9.
- Grok Build 0.1 is cheaper at $1 / $2 per million input/output tokens, against $15 / $60 for o1.
- Grok Build 0.1 accepts more context: 256K tokens versus 200K.
Side by side
| Grok Build 0.1 | o1 | |
|---|---|---|
| Provider | xAI | OpenAI |
| Noometry Index | 36.4 | 40.9 |
| Released | 2026-04-16 | 2024-09-12 |
| Weights | Proprietary | Proprietary |
| Context window | 256K | 200K |
| Max output | 256K | 100K |
| Input $ / M tokens | $1 | $15 |
| Output $ / M tokens | $2 | $60 |
| Results tracked | 3 | 52 |
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Category by category
Coding o1 leads
Grok Build 0.1: 43.1 (#91), o1: 46.1 (#70)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| Aider Polyglot | — | 61.7% |
| SciCode | 50.2% | — |
| WeirdML | — | 47.6% |
| LiveBench Coding | — | 69.7% |
| LMArena Coding | — | 1367 |
| CadEval | — | 56% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |
Agentic & Tool Use o1 leads
Grok Build 0.1: 22.7 (#129), o1: 24.6 (#117)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| Cybench | — | 10% |
| GBAEval | 2.4% | — |
| METR Time Horizons | — | 51.1% |
Reasoning Grok Build 0.1 leads
Grok Build 0.1: 32.2 (#77), o1: 27.9 (#111)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| SimpleBench | — | 41.7% |
| ARC-AGI-1 | — | 30.7% |
| CritPt | 9.1% | — |
| Chess Puzzles | — | 15% |
| EnigmaEval | — | 5.7% |
| LiveBench Reasoning | — | 91.6% |
| LMArena Hard Prompts | — | 1371 |
| DTBench | — | 74.7% |
| LiveBench Data Analysis | — | 65.5% |
| LMCA | — | 22.3% |
| Epoch Capabilities Index | — | 141.91 |
| LiveBench | — | 75.7% |
Math Not comparable
Grok Build 0.1: —, o1: 36.1 (#175)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 14.7% |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
| LiveBench Math | — | 80.3% |
| LMArena Math | — | 1388 |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |
Knowledge Not comparable
Grok Build 0.1: —, o1: 41.5 (#110)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| GPQA Diamond | — | 76.8% |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
| Confabulations | — | 11.7% |
| LMArena Expert | — | 1361 |
Multimodal Not comparable
Grok Build 0.1: —, o1: 34.2 (#93)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| LMArena Vision | — | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |
Multilingual Not comparable
Grok Build 0.1: —, o1: 48.6 (#142)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| LMArena Non-English | — | 1358 |
| LMArena Chinese | — | 1394 |
| LMArena French | — | 1344 |
| LMArena German | — | 1337 |
| LMArena Japanese | — | 1346 |
| LMArena Korean | — | 1396 |
| LMArena Russian | — | 1356 |
| LMArena Spanish | — | 1345 |
Instruction Following Not comparable
Grok Build 0.1: —, o1: 74.8 (#86)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| LiveBench Instruction Following | — | 81.5% |
| LMArena Instruction Following | — | 1367 |
Long Context Not comparable
Grok Build 0.1: —, o1: 50.3 (#9)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| Fiction.LiveBench | — | 83.3% |
| LMArena Longer Query | — | 1378 |
Writing & Preference Not comparable
Grok Build 0.1: —, o1: 55.6 (#144)
| Benchmark | Grok Build 0.1 | o1 |
|---|---|---|
| LMArena Text | — | 1366 |
| LMArena Creative Writing | — | 1348 |
| Short-Story Creative Writing | — | 70.2% |
| LMArena Multi-Turn | — | 1369 |
| LiveBench Language | — | 65.4% |
Frequently asked questions
Is Grok Build 0.1 better than o1?
o1 is the stronger model overall, scoring 40.9 to 36.4 on the Noometry Index. Grok Build 0.1 costs 21× less per token, which makes it the better buy when o1's lead doesn't matter for your workload.
Which is cheaper, Grok Build 0.1 or o1?
Grok Build 0.1 is cheaper. It lists at $1 per million input tokens and $2 per million output tokens; o1 lists at $15 and $60.
Is Grok Build 0.1 or o1 better for coding?
o1 scores higher on coding benchmarks: 46.1 versus 43.1 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 o1 share?
0 benchmarks have published results for both models. Grok Build 0.1 has 3 scored results on Noometry and o1 has 52.