Model comparison
GPT-4o mini vs Grok Build 0.1
Grok Build 0.1 is the stronger model overall, scoring 35.8 to 25.4 on the Noometry Index. GPT-4o mini costs 4.8× less per token, which makes it the better buy when Grok Build 0.1'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 31.3 to 8.7.
- GPT-4o mini is cheaper at $0.15 / $0.60 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
- Grok Build 0.1 accepts more context: 256K tokens versus 128K.
Side by side
| GPT-4o mini | Grok Build 0.1 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 25.4 | 35.8 |
| Released | 2024-07-18 | 2026-04-16 |
| Weights | Proprietary | Proprietary |
| Context window | 128K | 256K |
| Max output | 16K | 256K |
| Input $ / M tokens | $0.15 | $1 |
| Output $ / M tokens | $0.60 | $2 |
| Results tracked | 60 | 3 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Grok Build 0.1 leads
GPT-4o mini: 21.6 (#330), Grok Build 0.1: 42.5 (#90)
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| Aider Polyglot | 3.6% | — |
| SciCode | — | 50.2% |
| WeirdML | 11.8% | — |
| BigCodeBench Instruct | 46.1% | — |
| LiveBench Coding | 43.1% | — |
| LMArena Coding | 1290 | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 72.2% | — |
Agentic & Tool Use GPT-4o mini leads
GPT-4o mini: 27.2 (#95), Grok Build 0.1: 22.5 (#122)
Reasoning Grok Build 0.1 leads
GPT-4o mini: 8.7 (#343), Grok Build 0.1: 31.3 (#73)
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| ARC-AGI-2 | 0% | — |
| SimpleBench | 10.7% | — |
| Kagi LLM Benchmark | 28.8% | — |
| CritPt | — | 9.1% |
| Chess Puzzles | 0% | — |
| LiveBench Reasoning | 32.8% | — |
| LMArena Hard Prompts | 1267 | — |
| Mystery Game Puzzles | 12% | — |
| DTBench | 54.4% | — |
| LiveBench Data Analysis | 50% | — |
| LMCA | 10.4% | — |
| Epoch Capabilities Index | 126.56 | — |
| LiveBench | 41.3% | — |
| PIQA | 88.7% | — |
Math Not comparable
GPT-4o mini: 9.9 (#307), Grok Build 0.1: —
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 0.7% | — |
| OTIS Mock AIME 2024-2025 | 6.9% | — |
| Omni-MATH | 28% | — |
| LiveBench Math | 36.3% | — |
| LMArena Math | 1267 | — |
| MATH Level 5 | 52.6% | — |
| GSM8K | 91.3% | — |
Knowledge Not comparable
GPT-4o mini: 17.7 (#279), Grok Build 0.1: —
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| GPQA Diamond | 37.7% | — |
| SimpleQA Verified | 8.3% | — |
| MMLU-Pro | 60.3% | — |
| Confabulations | 37.2% | — |
| GPQA (HELM) | 36.8% | — |
| LMArena Expert | 1235 | — |
| BoolQ | 88.7% | — |
| MMLU | 81.8% | — |
Multimodal Not comparable
GPT-4o mini: 25.3 (#117), Grok Build 0.1: —
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| LMArena Vision | 1066 | — |
| Video-MME | 64.8% | — |
| GeoBench | 64% | — |
| VPCT | 34% | — |
Multilingual Not comparable
GPT-4o mini: 42.2 (#194), Grok Build 0.1: —
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| LMArena Non-English | 1266 | — |
| LMArena Chinese | 1264 | — |
| LMArena French | 1296 | — |
| LMArena German | 1272 | — |
| LMArena Japanese | 1216 | — |
| LMArena Korean | 1195 | — |
| LMArena Russian | 1275 | — |
| LMArena Spanish | 1276 | — |
Instruction Following Not comparable
GPT-4o mini: 62.1 (#234), Grok Build 0.1: —
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| LiveBench Instruction Following | 56.8% | — |
| IFEval | 78.2% | — |
| LMArena Instruction Following | 1259 | — |
Long Context Not comparable
GPT-4o mini: 39.1 (#181), Grok Build 0.1: —
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| LMArena Longer Query | 1289 | — |
Writing & Preference Not comparable
GPT-4o mini: 39.7 (#243), Grok Build 0.1: —
| Benchmark | GPT-4o mini | Grok Build 0.1 |
|---|---|---|
| LMArena Text | 1286 | — |
| LMArena Creative Writing | 1268 | — |
| Short-Story Creative Writing | 67.2% | — |
| EQ-Bench Creative Writing | 873 | — |
| WildBench | 79.1% | — |
| LMArena Multi-Turn | 1285 | — |
| LiveBench Language | 28.6% | — |
Frequently asked questions
Is GPT-4o mini better than Grok Build 0.1?
Grok Build 0.1 is the stronger model overall, scoring 35.8 to 25.4 on the Noometry Index. GPT-4o mini costs 4.8× less per token, which makes it the better buy when Grok Build 0.1's lead doesn't matter for your workload.
Which is cheaper, GPT-4o mini or Grok Build 0.1?
GPT-4o mini is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Grok Build 0.1 lists at $1 and $2.
Is GPT-4o mini or Grok Build 0.1 better for coding?
Grok Build 0.1 scores higher on coding benchmarks: 42.5 versus 21.6 in the Noometry coding category.
Which has the bigger context window?
Grok Build 0.1 does, with 256K tokens against 128K.
How many benchmarks do GPT-4o mini and Grok Build 0.1 share?
0 benchmarks have published results for both models. GPT-4o mini has 60 scored results on Noometry and Grok Build 0.1 has 3.