Model comparison
GPT-5.2 Pro vs Olmo 3.1 32b Instruct
GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 39.4 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 65.3 to 36.3.
- 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 | 52.3 | 39.4 |
| 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: 39.5 (#157)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | — | 1347 |
Reasoning GPT-5.2 Pro leads
GPT-5.2 Pro: 51.5 (#33), Olmo 3.1 32b Instruct: 26.4 (#132)
| 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 | 155.4 | — |
Math GPT-5.2 Pro leads
GPT-5.2 Pro: 65.3 (#29), Olmo 3.1 32b Instruct: 36.3 (#167)
| 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: 36.1 (#175)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | — | 1308 |
Multilingual Not comparable
GPT-5.2 Pro: —, Olmo 3.1 32b Instruct: 42.6 (#191)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | — | 1275 |
| LMArena Chinese | — | 1304 |
| LMArena French | — | 1328 |
| LMArena German | — | 1282 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1268 |
| LMArena Spanish | — | 1336 |
Instruction Following Not comparable
GPT-5.2 Pro: —, Olmo 3.1 32b Instruct: 68.6 (#187)
| Benchmark | GPT-5.2 Pro | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1299 |
Long Context Not comparable
GPT-5.2 Pro: —, Olmo 3.1 32b Instruct: 39.9 (#166)
| 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: 50.2 (#185)
| 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 52.3 to 39.4 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.