Model comparison
GPT-5.2 Pro vs Olmo 3.1 32b Instruct
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 38.8 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 33.6.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| GPT-5.2 Pro | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | OpenAI | Allen Institute for AI (Ai2) |
| Noometry Index | 52.2 | 38.8 |
| 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 3.1 32b Instruct: 38.9 (#154)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | — | 1346 |
Reasoning GPT-5.2 Pro leads
GPT-5.2 Pro: 51.8 (#31), Olmo 3.1 32b Instruct: 25.4 (#131)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| LMArena Hard Prompts | — | 1322 |
| Epoch Capabilities Index | 155.41 | — |
Math GPT-5.2 Pro leads
GPT-5.2 Pro: 64.8 (#23), Olmo 3.1 32b Instruct: 33.6 (#169)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| LMArena Math | — | 1305 |
| FrontierMath Tier 4 (v1) | 31.3% | — |
Knowledge Not comparable
GPT-5.2 Pro: —, Olmo 3.1 32b Instruct: 35.4 (#175)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | — | 1307 |
Multilingual Not comparable
GPT-5.2 Pro: —, Olmo 3.1 32b Instruct: 42.8 (#185)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | — | 1275 |
| LMArena Chinese | — | 1304 |
| LMArena French | — | 1328 |
| LMArena German | — | 1283 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1268 |
| LMArena Spanish | — | 1337 |
Instruction Following Not comparable
GPT-5.2 Pro: —, Olmo 3.1 32b Instruct: 68.8 (#182)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1298 |
Long Context Not comparable
GPT-5.2 Pro: —, Olmo 3.1 32b Instruct: 39.9 (#161)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | — | 1312 |
Writing & Preference Not comparable
GPT-5.2 Pro: —, Olmo 3.1 32b Instruct: 50.4 (#179)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | — | 1311 |
| LMArena Creative Writing | — | 1264 |
| LMArena Multi-Turn | — | 1309 |
Frequently asked questions
Is GPT-5.2 Pro better than Olmo 3.1 32b Instruct?
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 38.8 on the Noometry Index.
How many benchmarks do GPT-5.2 Pro and Olmo 3.1 32b Instruct share?
0 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Olmo 3.1 32b Instruct has 16.