Model comparison
GPT-5.2 Pro vs Granite 4.2 3b
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 39.0 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where GPT-5.2 Pro leads 51.8 to 25.0.
- Granite 4.2 3b has downloadable open weights; the other is API-only.
Side by side
| GPT-5.2 Pro | Granite 4.2 3b | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 52.2 | 39.0 |
| Released | 2025-12-11 | — |
| Weights | Proprietary | Open |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $21 | — |
| Output $ / M tokens | $168 | — |
| Results tracked | 8 | 11 |
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Category by category
Coding Not comparable
GPT-5.2 Pro: —, Granite 4.2 3b: 39.4 (#146)
| Benchmark | GPT-5.2 Pro | Granite 4.2 3b |
|---|---|---|
| LMArena Coding | — | 1363 |
Reasoning GPT-5.2 Pro leads
GPT-5.2 Pro: 51.8 (#31), Granite 4.2 3b: 25.0 (#136)
| Benchmark | GPT-5.2 Pro | Granite 4.2 3b |
|---|---|---|
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| LMArena Hard Prompts | — | 1308 |
| Epoch Capabilities Index | 155.41 | — |
Math Not comparable
GPT-5.2 Pro: 64.8 (#23), Granite 4.2 3b: —
| Benchmark | GPT-5.2 Pro | Granite 4.2 3b |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| FrontierMath Tier 4 (v1) | 31.3% | — |
Knowledge Not comparable
GPT-5.2 Pro: —, Granite 4.2 3b: 35.6 (#169)
| Benchmark | GPT-5.2 Pro | Granite 4.2 3b |
|---|---|---|
| LMArena Expert | — | 1313 |
Multilingual Not comparable
GPT-5.2 Pro: —, Granite 4.2 3b: 42.4 (#193)
| Benchmark | GPT-5.2 Pro | Granite 4.2 3b |
|---|---|---|
| LMArena Non-English | — | 1268 |
| LMArena Chinese | — | 1268 |
| LMArena Russian | — | 1249 |
Instruction Following Not comparable
GPT-5.2 Pro: —, Granite 4.2 3b: 67.2 (#195)
| Benchmark | GPT-5.2 Pro | Granite 4.2 3b |
|---|---|---|
| LMArena Instruction Following | — | 1271 |
Long Context Not comparable
GPT-5.2 Pro: —, Granite 4.2 3b: 39.3 (#179)
| Benchmark | GPT-5.2 Pro | Granite 4.2 3b |
|---|---|---|
| LMArena Longer Query | — | 1293 |
Writing & Preference Not comparable
GPT-5.2 Pro: —, Granite 4.2 3b: 47.9 (#202)
| Benchmark | GPT-5.2 Pro | Granite 4.2 3b |
|---|---|---|
| LMArena Text | — | 1295 |
| LMArena Creative Writing | — | 1215 |
| LMArena Multi-Turn | — | 1293 |
Frequently asked questions
Is GPT-5.2 Pro better than Granite 4.2 3b?
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 39.0 on the Noometry Index.
How many benchmarks do GPT-5.2 Pro and Granite 4.2 3b share?
0 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Granite 4.2 3b has 11.