Model comparison
Dolly 2.0-12b vs GPT-5.1
GPT-5.1 is the stronger model overall, scoring 48.8 to 24.9 on the Noometry Index.
Last verified . 10 shared benchmarks.
DatabricksSummary
- They share 10 benchmarks with published results for both. Dolly 2.0-12b scores higher in 0 categories and GPT-5.1 in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.1 leads 64.7 to 15.3.
- Dolly 2.0-12b has downloadable open weights; the other is API-only.
Side by side
| Dolly 2.0-12b | GPT-5.1 | |
|---|---|---|
| Provider | Databricks | OpenAI |
| Noometry Index | 24.9 | 48.8 |
| Released | 2023-04-11 | 2025-11-13 |
| Weights | Open | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $10 |
| Results tracked | 17 | 63 |
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Category by category
Coding GPT-5.1 leads
Dolly 2.0-12b: 23.0 (#327), GPT-5.1: 46.9 (#59)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| LMArena Coding | 776 | 1454 |
| SWE-bench Verified | — | 68% |
| SWE-bench Verified (bash only) | — | 66% |
| LMArena WebDev | — | 1395 |
| SciCode | — | 43.3% |
| GSO | — | 13.7% |
| WeirdML | — | 60.8% |
| LiveBench Coding | — | 72.5% |
| ALE-Bench | — | 1,192 |
Agentic & Tool Use Not comparable
Dolly 2.0-12b: —, GPT-5.1: 32.5 (#55)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| Terminal-Bench | — | 47.6% |
| DeepResearch Bench | — | 42.8% |
| LMArena Search | — | 1199 |
| Vending-Bench 2 | — | 1,473 |
Reasoning GPT-5.1 leads
Dolly 2.0-12b: 14.6 (#315), GPT-5.1: 39.9 (#50)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| LMArena Hard Prompts | 804 | 1457 |
| Epoch Capabilities Index | 88.94 | 149.66 |
| ARC-AGI-2 | — | 17.6% |
| SimpleBench | — | 53.2% |
| ARC-AGI-1 | — | 72.8% |
| CritPt | — | 4.9% |
| Chess Puzzles | — | 32% |
| EnigmaEval | — | 11.2% |
| LiveBench Reasoning | — | 95.8% |
| Mystery Game Puzzles | — | 19% |
| DTBench | — | 90.1% |
| LiveBench Data Analysis | — | 72.1% |
| LMCA | — | 43.9% |
| ForecastBench | — | 58.1 |
| HellaSwag | 70.8% | — |
| LiveBench | — | 78.8% |
| PIQA | 75.4% | — |
| WinoGrande | 61.8% | — |
Math GPT-5.1 leads
Dolly 2.0-12b: 25.0 (#250), GPT-5.1: 50.3 (#45)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| LMArena Math | 871 | 1446 |
| OTIS Mock AIME 2024-2025 | — | 88.6% |
| Omni-MATH | — | 46.4% |
| LiveBench Math | — | 94.5% |
| FrontierMath (Feb 2025 set) | — | 31% |
| FrontierMath Tier 4 (v1) | — | 12.5% |
Knowledge Not comparable
Dolly 2.0-12b: —, GPT-5.1: 50.5 (#65)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| GPQA Diamond | — | 87.6% |
| Humanity's Last Exam | — | 23.7% |
| SimpleQA Verified | — | 48% |
| MMLU-Pro | — | 57.9% |
| Vectara Hallucination Rate | — | 10.9% |
| GPQA (HELM) | — | 44.2% |
| LMArena Expert | — | 1470 |
| ARC (AI2) Challenge | 39.6% | — |
| BoolQ | 56.3% | — |
| MMLU | 26.2% | — |
| OpenBookQA | 39.2% | — |
Multimodal Not comparable
Dolly 2.0-12b: —, GPT-5.1: 44.0 (#17)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| LMArena Vision | — | 1250 |
| VPCT | — | 58.7% |
| LMArena Document | — | 1403 |
Multilingual GPT-5.1 leads
Dolly 2.0-12b: 17.4 (#291), GPT-5.1: 54.0 (#51)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| LMArena Non-English | 836 | 1431 |
| LMArena Chinese | 836 | 1495 |
| LMArena French | — | 1451 |
| LMArena German | — | 1439 |
| LMArena Japanese | — | 1453 |
| LMArena Korean | — | 1401 |
| LMArena Russian | — | 1435 |
| LMArena Spanish | — | 1430 |
Instruction Following GPT-5.1 leads
Dolly 2.0-12b: 38.9 (#299), GPT-5.1: 84.0 (#1)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| LMArena Instruction Following | 814 | 1442 |
| LiveBench Instruction Following | — | 93.3% |
| IFEval | — | 93.5% |
Long Context Not comparable
Dolly 2.0-12b: —, GPT-5.1: 47.6 (#14)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| CL-bench | — | 23.7% |
| CL-bench Life | — | 17.3% |
| LMArena Longer Query | — | 1448 |
Writing & Preference GPT-5.1 leads
Dolly 2.0-12b: 15.3 (#306), GPT-5.1: 64.7 (#53)
| Benchmark | Dolly 2.0-12b | GPT-5.1 |
|---|---|---|
| LMArena Text | 851 | 1443 |
| LMArena Creative Writing | 864 | 1427 |
| LMArena Multi-Turn | 740 | 1449 |
| WildBench | — | 86.3% |
| LiveBench Language | — | 80.2% |
Frequently asked questions
Is Dolly 2.0-12b better than GPT-5.1?
GPT-5.1 is the stronger model overall, scoring 48.8 to 24.9 on the Noometry Index.
Is Dolly 2.0-12b or GPT-5.1 better for coding?
GPT-5.1 scores higher on coding benchmarks: 46.9 versus 23.0 in the Noometry coding category.
How many benchmarks do Dolly 2.0-12b and GPT-5.1 share?
10 benchmarks have published results for both models. Dolly 2.0-12b has 17 scored results on Noometry and GPT-5.1 has 63.