Model comparison
Dolly 2.0-12b vs GPT-5.5 Pro
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 24.9 on the Noometry Index.
Last verified . 1 shared benchmarks.
DatabricksSummary
- They share 1 benchmark with published results for both. Dolly 2.0-12b scores higher in 0 categories and GPT-5.5 Pro in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.5 Pro leads 73.6 to 14.6.
- Dolly 2.0-12b has downloadable open weights; the other is API-only.
Side by side
| Dolly 2.0-12b | GPT-5.5 Pro | |
|---|---|---|
| Provider | Databricks | OpenAI |
| Noometry Index | 24.9 | 64.3 |
| Released | 2023-04-11 | 2026-04-23 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $30 |
| Output $ / M tokens | — | $180 |
| Results tracked | 17 | 14 |
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Category by category
Coding Not comparable
Dolly 2.0-12b: 23.0 (#327), GPT-5.5 Pro: —
| Benchmark | Dolly 2.0-12b | GPT-5.5 Pro |
|---|---|---|
| LMArena Coding | 776 | — |
Reasoning GPT-5.5 Pro leads
Dolly 2.0-12b: 14.6 (#315), GPT-5.5 Pro: 73.6 (#7)
| Benchmark | Dolly 2.0-12b | GPT-5.5 Pro |
|---|---|---|
| Epoch Capabilities Index | 88.94 | 162.45 |
| ARC-AGI-2 | — | 84.6% |
| SimpleBench | — | 76.9% |
| ARC-AGI-1 | — | 96.5% |
| CritPt | — | 30.6% |
| Chess Puzzles | — | 64% |
| LMArena Hard Prompts | 804 | — |
| DTBench | — | 96% |
| LMCA | — | 53.9% |
| HellaSwag | 70.8% | — |
| PIQA | 75.4% | — |
| WinoGrande | 61.8% | — |
Math GPT-5.5 Pro leads
Dolly 2.0-12b: 25.0 (#250), GPT-5.5 Pro: 83.8 (#8)
| Benchmark | Dolly 2.0-12b | GPT-5.5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 87.7% |
| FrontierMath Tier 4 | — | 78% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| LMArena Math | 871 | — |
| FrontierMath (Feb 2025 set) | — | 52.4% |
| FrontierMath Tier 4 (v1) | — | 39.6% |
Knowledge Not comparable
Dolly 2.0-12b: —, GPT-5.5 Pro: 64.2 (#17)
| Benchmark | Dolly 2.0-12b | GPT-5.5 Pro |
|---|---|---|
| GPQA Diamond | — | 93.9% |
| ARC (AI2) Challenge | 39.6% | — |
| BoolQ | 56.3% | — |
| MMLU | 26.2% | — |
| OpenBookQA | 39.2% | — |
Multilingual Not comparable
Dolly 2.0-12b: 17.4 (#291), GPT-5.5 Pro: —
| Benchmark | Dolly 2.0-12b | GPT-5.5 Pro |
|---|---|---|
| LMArena Non-English | 836 | — |
| LMArena Chinese | 836 | — |
Instruction Following Not comparable
Dolly 2.0-12b: 38.9 (#299), GPT-5.5 Pro: —
| Benchmark | Dolly 2.0-12b | GPT-5.5 Pro |
|---|---|---|
| LMArena Instruction Following | 814 | — |
Writing & Preference Not comparable
Dolly 2.0-12b: 15.3 (#306), GPT-5.5 Pro: —
| Benchmark | Dolly 2.0-12b | GPT-5.5 Pro |
|---|---|---|
| LMArena Text | 851 | — |
| LMArena Creative Writing | 864 | — |
| LMArena Multi-Turn | 740 | — |
Frequently asked questions
Is Dolly 2.0-12b better than GPT-5.5 Pro?
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 24.9 on the Noometry Index.
How many benchmarks do Dolly 2.0-12b and GPT-5.5 Pro share?
1 benchmark has published results for both models. Dolly 2.0-12b has 17 scored results on Noometry and GPT-5.5 Pro has 14.