Model comparison
GPT-5.2 Pro vs Grok Build 0.1
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 35.8 on the Noometry Index. Grok Build 0.1 costs 46× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where GPT-5.2 Pro leads 51.8 to 31.3.
- Grok Build 0.1 is cheaper at $1 / $2 per million input/output tokens, against $21 / $168 for GPT-5.2 Pro.
- GPT-5.2 Pro accepts more context: 400K tokens versus 256K.
Side by side
| GPT-5.2 Pro | Grok Build 0.1 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 52.2 | 35.8 |
| Released | 2025-12-11 | 2026-04-16 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | 256K |
| Max output | 128K | 256K |
| Input $ / M tokens | $21 | $1 |
| Output $ / M tokens | $168 | $2 |
| Results tracked | 8 | 3 |
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Category by category
Coding Not comparable
GPT-5.2 Pro: —, Grok Build 0.1: 42.5 (#90)
| Benchmark | GPT-5.2 Pro | Grok Build 0.1 |
|---|---|---|
| SciCode | — | 50.2% |
Agentic & Tool Use Not comparable
GPT-5.2 Pro: —, Grok Build 0.1: 22.5 (#122)
| Benchmark | GPT-5.2 Pro | Grok Build 0.1 |
|---|---|---|
| GBAEval | — | 2.4% |
Reasoning GPT-5.2 Pro leads
GPT-5.2 Pro: 51.8 (#31), Grok Build 0.1: 31.3 (#73)
| Benchmark | GPT-5.2 Pro | Grok Build 0.1 |
|---|---|---|
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| CritPt | — | 9.1% |
| Epoch Capabilities Index | 155.41 | — |
Math Not comparable
GPT-5.2 Pro: 64.8 (#23), Grok Build 0.1: —
| Benchmark | GPT-5.2 Pro | Grok Build 0.1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| FrontierMath Tier 4 (v1) | 31.3% | — |
Frequently asked questions
Is GPT-5.2 Pro better than Grok Build 0.1?
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 35.8 on the Noometry Index. Grok Build 0.1 costs 46× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.
Which is cheaper, GPT-5.2 Pro or Grok Build 0.1?
Grok Build 0.1 is cheaper. It lists at $1 per million input tokens and $2 per million output tokens; GPT-5.2 Pro lists at $21 and $168.
Which has the bigger context window?
GPT-5.2 Pro does, with 400K tokens against 256K.
How many benchmarks do GPT-5.2 Pro and Grok Build 0.1 share?
0 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Grok Build 0.1 has 3.