Model comparison
GPT-5.2 Pro vs Olmo 2 0325 32b Instruct
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 32.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in math, where GPT-5.2 Pro leads 64.8 to 24.8.
- Olmo 2 0325 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| GPT-5.2 Pro | Olmo 2 0325 32b Instruct | |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 52.2 | 32.2 |
| Released | 2025-12-11 | — |
| Weights | Proprietary | Open |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $21 | — |
| Output $ / M tokens | $168 | — |
| Results tracked | 8 | 16 |
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Category by category
Coding Not comparable
GPT-5.2 Pro: —, Olmo 2 0325 32b Instruct: 34.6 (#222)
| Benchmark | GPT-5.2 Pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Coding | — | 1210 |
Reasoning GPT-5.2 Pro leads
GPT-5.2 Pro: 51.8 (#31), Olmo 2 0325 32b Instruct: 22.6 (#174)
| Benchmark | GPT-5.2 Pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| LMArena Hard Prompts | — | 1208 |
| Epoch Capabilities Index | 155.41 | — |
Math GPT-5.2 Pro leads
GPT-5.2 Pro: 64.8 (#23), Olmo 2 0325 32b Instruct: 24.8 (#255)
| Benchmark | GPT-5.2 Pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| Omni-MATH | — | 16.1% |
| LMArena Math | — | 1208 |
| FrontierMath Tier 4 (v1) | 31.3% | — |
Knowledge Not comparable
GPT-5.2 Pro: —, Olmo 2 0325 32b Instruct: 19.2 (#274)
| Benchmark | GPT-5.2 Pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| MMLU-Pro | — | 41.4% |
| GPQA (HELM) | — | 28.7% |
Multilingual Not comparable
GPT-5.2 Pro: —, Olmo 2 0325 32b Instruct: 35.0 (#243)
| Benchmark | GPT-5.2 Pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Non-English | — | 1160 |
| LMArena Chinese | — | 1192 |
| LMArena Russian | — | 1187 |
Instruction Following Not comparable
GPT-5.2 Pro: —, Olmo 2 0325 32b Instruct: 61.8 (#238)
| Benchmark | GPT-5.2 Pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| IFEval | — | 78% |
| LMArena Instruction Following | — | 1186 |
Long Context Not comparable
GPT-5.2 Pro: —, Olmo 2 0325 32b Instruct: 36.2 (#229)
| Benchmark | GPT-5.2 Pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Longer Query | — | 1194 |
Writing & Preference Not comparable
GPT-5.2 Pro: —, Olmo 2 0325 32b Instruct: 42.3 (#231)
| Benchmark | GPT-5.2 Pro | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Text | — | 1218 |
| LMArena Creative Writing | — | 1199 |
| WildBench | — | 73.4% |
| LMArena Multi-Turn | — | 1221 |
Frequently asked questions
Is GPT-5.2 Pro better than Olmo 2 0325 32b Instruct?
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 32.2 on the Noometry Index.
How many benchmarks do GPT-5.2 Pro and Olmo 2 0325 32b Instruct share?
0 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Olmo 2 0325 32b Instruct has 16.