Model comparison
Dolly 2.0-12b vs Gemini 2.5 Flash
Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 25.5 on the Noometry Index.
Last verified . 10 shared benchmarks.
Summary
- They share 10 benchmarks with published results for both. Dolly 2.0-12b scores higher in 0 categories and Gemini 2.5 Flash in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemini 2.5 Flash leads 53.8 to 15.2.
- Dolly 2.0-12b has downloadable open weights; the other is API-only.
Side by side
| Dolly 2.0-12b | Gemini 2.5 Flash | |
|---|---|---|
| Provider | Databricks | |
| Noometry Index | 25.5 | 39.3 |
| Released | 2023-04-11 | 2025-04-17 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 17 | 54 |
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Category by category
Coding Gemini 2.5 Flash leads
Dolly 2.0-12b: 23.4 (#332), Gemini 2.5 Flash: 35.8 (#220)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| LMArena Coding | 776 | 1424 |
| SWE-bench Verified (bash only) | — | 28.7% |
| Aider Polyglot | — | 55.1% |
| WeirdML | — | 41.9% |
| ALE-Bench | — | 661.88 |
Agentic & Tool Use Not comparable
Dolly 2.0-12b: —, Gemini 2.5 Flash: 30.8 (#74)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| Terminal-Bench | — | 17.1% |
| Berkeley Function Calling Leaderboard | — | 56.2% |
| TheAgentCompany | — | 41.1% |
| BALROG | — | 33.5% |
| Vending-Bench 2 | — | 548.84 |
Reasoning Gemini 2.5 Flash leads
Dolly 2.0-12b: 15.3 (#316), Gemini 2.5 Flash: 18.1 (#286)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 804 | 1422 |
| Epoch Capabilities Index | 89.67 | 143.03 |
| ARC-AGI-2 | — | 2.5% |
| SimpleBench | — | 41.2% |
| Kagi LLM Benchmark | — | 56.8% |
| ARC-AGI-1 | — | 33.3% |
| CritPt | — | 1.1% |
| EnigmaEval | — | 2.7% |
| DTBench | — | 76.5% |
| LMCA | — | 27.5% |
| ForecastBench | — | 60.6 |
| HellaSwag | 70.8% | — |
| PIQA | 75.4% | — |
| WinoGrande | 61.8% | — |
Math Gemini 2.5 Flash leads
Dolly 2.0-12b: 27.3 (#251), Gemini 2.5 Flash: 39.9 (#98)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| LMArena Math | 871 | 1415 |
| OTIS Mock AIME 2024-2025 | — | 73.1% |
| Omni-MATH | — | 38.5% |
| FrontierMath (Feb 2025 set) | — | 4.8% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Not comparable
Dolly 2.0-12b: —, Gemini 2.5 Flash: 36.4 (#168)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| Humanity's Last Exam | — | 12.1% |
| MMLU-Pro | — | 63.9% |
| Confabulations | — | 16.8% |
| Vectara Hallucination Rate | — | 7.8% |
| GPQA (HELM) | — | 39% |
| LMArena Expert | — | 1426 |
| ARC (AI2) Challenge | 39.6% | — |
| BoolQ | 56.3% | — |
| MMLU | 26.2% | — |
| OpenBookQA | 39.2% | — |
Multimodal Not comparable
Dolly 2.0-12b: —, Gemini 2.5 Flash: 41.8 (#32)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| LMArena Vision | — | 1253 |
| GeoBench | — | 76% |
| VPCT | — | 46.2% |
| SpatialViz-Bench | — | 36.9% |
Multilingual Gemini 2.5 Flash leads
Dolly 2.0-12b: 17.4 (#296), Gemini 2.5 Flash: 52.3 (#88)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| LMArena Non-English | 836 | 1409 |
| LMArena Chinese | 836 | 1450 |
| LMArena French | — | 1433 |
| LMArena German | — | 1418 |
| LMArena Japanese | — | 1405 |
| LMArena Korean | — | 1385 |
| LMArena Russian | — | 1415 |
| LMArena Spanish | — | 1421 |
Instruction Following Gemini 2.5 Flash leads
Dolly 2.0-12b: 38.7 (#304), Gemini 2.5 Flash: 75.7 (#54)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| LMArena Instruction Following | 814 | 1405 |
| IFEval | — | 89.8% |
Long Context Not comparable
Dolly 2.0-12b: —, Gemini 2.5 Flash: 47.5 (#17)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| Fiction.LiveBench | — | 77.8% |
| LMArena Longer Query | — | 1419 |
Writing & Preference Gemini 2.5 Flash leads
Dolly 2.0-12b: 15.2 (#311), Gemini 2.5 Flash: 53.8 (#157)
| Benchmark | Dolly 2.0-12b | Gemini 2.5 Flash |
|---|---|---|
| LMArena Text | 851 | 1417 |
| LMArena Creative Writing | 864 | 1400 |
| LMArena Multi-Turn | 740 | 1408 |
| Short-Story Creative Writing | — | 76.5% |
| EQ-Bench Creative Writing | — | 1137 |
| WildBench | — | 81.7% |
Frequently asked questions
Is Dolly 2.0-12b better than Gemini 2.5 Flash?
Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 25.5 on the Noometry Index.
Is Dolly 2.0-12b or Gemini 2.5 Flash better for coding?
Gemini 2.5 Flash scores higher on coding benchmarks: 35.8 versus 23.4 in the Noometry coding category.
How many benchmarks do Dolly 2.0-12b and Gemini 2.5 Flash share?
10 benchmarks have published results for both models. Dolly 2.0-12b has 17 scored results on Noometry and Gemini 2.5 Flash has 54.