Model comparison
GPT-5.2 vs Granite 3.0 2b Instruct
GPT-5.2 is the stronger model overall, scoring 54.1 to 30.8 on the Noometry Index.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. GPT-5.2 scores higher in 8 categories and Granite 3.0 2b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.2 leads 66.8 to 29.6.
- Granite 3.0 2b Instruct has downloadable open weights; the other is API-only.
Side by side
| GPT-5.2 | Granite 3.0 2b Instruct | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 54.1 | 30.8 |
| Released | 2025-12-11 | — |
| Weights | Proprietary | Open |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $1.75 | — |
| Output $ / M tokens | $14 | — |
| Results tracked | 67 | 13 |
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Category by category
Coding GPT-5.2 leads
GPT-5.2: 51.6 (#37), Granite 3.0 2b Instruct: 28.3 (#316)
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Coding | 1447 | 1090 |
| SWE-bench Verified | 73.8% | — |
| SWE-bench Verified (bash only) | 72.8% | — |
| LMArena WebDev | 1416 | — |
| SWE-bench Multilingual | 66.7% | — |
| GSO | 27.4% | — |
| WeirdML | 72.2% | — |
| BigCodeBench Instruct | — | 20.5% |
| ALE-Bench | 1,294 | — |
| AlgoTune | 2.05 | — |
Agentic & Tool Use Not comparable
GPT-5.2: 40.2 (#24), Granite 3.0 2b Instruct: —
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| Terminal-Bench | 64.9% | — |
| Berkeley Function Calling Leaderboard | 55.9% | — |
| GDPval | 49.7% | — |
| Remote Labor Index | 2.5% | — |
| τ²-bench Airline | 83% | — |
| τ²-bench Banking | 32.2% | — |
| τ²-bench Retail | 81.6% | — |
| τ²-bench Telecom | 89.7% | — |
| DeepResearch Bench | 41.1% | — |
| LMArena Search | 1207 | — |
| METR Time Horizons | 75.3% | — |
| Vending-Bench 2 | 3,591 | — |
Reasoning GPT-5.2 leads
GPT-5.2: 50.2 (#35), Granite 3.0 2b Instruct: 20.5 (#235)
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1445 | 1073 |
| ARC-AGI-2 | 52.9% | — |
| SimpleBench | 45.8% | — |
| Kagi LLM Benchmark | 73.3% | — |
| NYT Connections (extended) | 83.6% | — |
| ARC-AGI-1 | 86.2% | — |
| Chess Puzzles | 49% | — |
| EnigmaEval | 10.4% | — |
| EBR-Bench | 23% | — |
| Mystery Game Puzzles | 23% | — |
| DTBench | 90.9% | — |
| LMCA | 43.9% | — |
| Epoch Capabilities Index | 153.45 | — |
| ForecastBench | 60.1 | — |
Math GPT-5.2 leads
GPT-5.2: 60.0 (#38), Granite 3.0 2b Instruct: 32.2 (#217)
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Math | 1440 | 1117 |
| FrontierMath (Tiers 1-3) | 67.4% | — |
| FrontierMath Tier 4 | 31.7% | — |
| MathArena Final-Answer Competitions | 72% | — |
| OTIS Mock AIME 2024-2025 | 96.1% | — |
| ProofBench | 15% | — |
| FrontierMath (Feb 2025 set) | 40.7% | — |
| FrontierMath Tier 4 (v1) | 18.8% | — |
Knowledge GPT-5.2 leads
GPT-5.2: 59.3 (#32), Granite 3.0 2b Instruct: 29.0 (#241)
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Expert | 1445 | 1064 |
| GPQA Diamond | 91.4% | — |
| Humanity's Last Exam | 27.8% | — |
| SimpleQA Verified | 37.1% | — |
| Vectara Hallucination Rate | 8.4% | — |
Multimodal Not comparable
GPT-5.2: 51.3 (#7), Granite 3.0 2b Instruct: —
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Vision | 1268 | — |
| VPCT | 84% | — |
| Furniture Assembly | 38.3% | — |
| LMArena Document | 1405 | — |
Multilingual GPT-5.2 leads
GPT-5.2: 53.4 (#67), Granite 3.0 2b Instruct: 27.0 (#278)
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Non-English | 1425 | 1033 |
| LMArena Chinese | 1460 | 1070 |
| LMArena Russian | 1440 | 1045 |
| LMArena French | 1455 | — |
| LMArena German | 1448 | — |
| LMArena Japanese | 1420 | — |
| LMArena Korean | 1392 | — |
| LMArena Spanish | 1433 | — |
Instruction Following GPT-5.2 leads
GPT-5.2: 74.7 (#89), Granite 3.0 2b Instruct: 53.9 (#284)
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Instruction Following | 1417 | 1056 |
Long Context GPT-5.2 leads
GPT-5.2: 44.0 (#78), Granite 3.0 2b Instruct: 32.5 (#268)
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Longer Query | 1428 | 1070 |
| CL-bench | 18.2% | — |
Writing & Preference GPT-5.2 leads
GPT-5.2: 66.8 (#32), Granite 3.0 2b Instruct: 29.6 (#292)
| Benchmark | GPT-5.2 | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Text | 1439 | 1080 |
| LMArena Creative Writing | 1401 | 1046 |
| LMArena Multi-Turn | 1458 | 1053 |
| EQ-Bench Creative Writing | 1703 | — |
Frequently asked questions
Is GPT-5.2 better than Granite 3.0 2b Instruct?
GPT-5.2 is the stronger model overall, scoring 54.1 to 30.8 on the Noometry Index.
Is GPT-5.2 or Granite 3.0 2b Instruct better for coding?
GPT-5.2 scores higher on coding benchmarks: 51.6 versus 28.3 in the Noometry coding category.
How many benchmarks do GPT-5.2 and Granite 3.0 2b Instruct share?
12 benchmarks have published results for both models. GPT-5.2 has 67 scored results on Noometry and Granite 3.0 2b Instruct has 13.