Model comparison
Gemini 2.5 Flash vs Molmo 2 8b
Gemini 2.5 Flash and Molmo 2 8b score almost the same on the Noometry Index (39.3 vs 39.1), so choose on price, context window or the category you care about most.
Last verified . 5 shared benchmarks.
Google
Allen Institute for AI (Ai2)Summary
- They share 5 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 4 categories and Molmo 2 8b in 1 category; 5 gaps are clear of the uncertainty.
- The widest gap is in multimodal, where Gemini 2.5 Flash leads 41.8 to 30.2.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.5 Flash | Molmo 2 8b | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | |
| Noometry Index | 39.3 | 39.1 |
| Released | 2025-04-17 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 54 | 5 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Not comparable
Gemini 2.5 Flash: 35.8 (#220), Molmo 2 8b: —
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| WeirdML | 41.9% | — |
| LMArena Coding | 1424 | — |
| ALE-Bench | 661.88 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash: 30.8 (#74), Molmo 2 8b: —
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |
Reasoning Molmo 2 8b leads
Gemini 2.5 Flash: 18.1 (#286), Molmo 2 8b: 25.6 (#146)
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1287 |
| 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% | — |
| Epoch Capabilities Index | 143.03 | — |
| ForecastBench | 60.6 | — |
Math Not comparable
Gemini 2.5 Flash: 39.9 (#98), Molmo 2 8b: —
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| LMArena Math | 1415 | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Not comparable
Gemini 2.5 Flash: 36.4 (#168), Molmo 2 8b: —
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| Humanity's Last Exam | 12.1% | — |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |
| LMArena Expert | 1426 | — |
Multimodal Gemini 2.5 Flash leads
Gemini 2.5 Flash: 41.8 (#32), Molmo 2 8b: 30.2 (#112)
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Vision | 1253 | 1081 |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |
Multilingual Gemini 2.5 Flash leads
Gemini 2.5 Flash: 52.3 (#88), Molmo 2 8b: 42.7 (#190)
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1409 | 1276 |
| LMArena Chinese | 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
Gemini 2.5 Flash: 75.7 (#54), Molmo 2 8b: 67.0 (#201)
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1405 | 1270 |
| IFEval | 89.8% | — |
Long Context Not comparable
Gemini 2.5 Flash: 47.5 (#17), Molmo 2 8b: —
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| Fiction.LiveBench | 77.8% | — |
| LMArena Longer Query | 1419 | — |
Writing & Preference Gemini 2.5 Flash leads
Gemini 2.5 Flash: 53.8 (#157), Molmo 2 8b: 49.4 (#191)
| Benchmark | Gemini 2.5 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1417 | 1288 |
| LMArena Creative Writing | 1400 | — |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |
| LMArena Multi-Turn | 1408 | — |
Frequently asked questions
Is Gemini 2.5 Flash better than Molmo 2 8b?
Gemini 2.5 Flash and Molmo 2 8b score almost the same on the Noometry Index (39.3 vs 39.1), so choose on price, context window or the category you care about most.
How many benchmarks do Gemini 2.5 Flash and Molmo 2 8b share?
5 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Molmo 2 8b has 5.