Model comparison
DeepSeek V4.1 Flash vs Molmo 2 8b
DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 39.1 on the Noometry Index.
Last verified . 5 shared benchmarks.
DeepSeek
Allen Institute for AI (Ai2)Summary
- They share 5 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 5 categories and Molmo 2 8b in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 50.2 to 25.6.
Side by side
| DeepSeek V4.1 Flash | Molmo 2 8b | |
|---|---|---|
| Provider | DeepSeek | Allen Institute for AI (Ai2) |
| Noometry Index | 52.8 | 39.1 |
| Released | 2026-09-09 | — |
| Weights | Open | Open |
| Context window | 1M | — |
| Max output | 393K | — |
| Input $ / M tokens | $0.15 | — |
| Output $ / M tokens | $0.60 | — |
| Results tracked | 37 | 5 |
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Category by category
Coding Not comparable
DeepSeek V4.1 Flash: 52.9 (#32), Molmo 2 8b: —
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| LMArena WebDev | 1619 | — |
| SciCode | 51.9% | — |
| LMArena Coding | 1506 | — |
| ALE-Bench | 1,092 | — |
Agentic & Tool Use Not comparable
DeepSeek V4.1 Flash: 31.2 (#69), Molmo 2 8b: —
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| APEX-Agents | 39.5% | — |
| GDP.pdf | 19.8% | — |
Reasoning DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 50.2 (#36), Molmo 2 8b: 25.6 (#146)
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1483 | 1287 |
| NYT Connections (extended) | 89.6% | — |
| CritPt | 14.3% | — |
| Mystery Game Puzzles | 43% | — |
| DTBench | 89.9% | — |
| LMCA | 47% | — |
| Surface Evolver Bench | 46.3% | — |
| Epoch Capabilities Index | 154.9 | — |
Math Not comparable
DeepSeek V4.1 Flash: 66.7 (#25), Molmo 2 8b: —
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| FrontierMath (Tiers 1-3) | 67.4% | — |
| FrontierMath Tier 4 | 26.8% | — |
| OTIS Mock AIME 2024-2025 | 98.3% | — |
| ProofBench | 54% | — |
| LMArena Math | 1477 | — |
Knowledge Not comparable
DeepSeek V4.1 Flash: 57.9 (#38), Molmo 2 8b: —
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| GPQA Diamond | 89.8% | — |
| LMArena Expert | 1506 | — |
Multimodal DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 39.1 (#61), Molmo 2 8b: 30.2 (#112)
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Vision | 1277 | 1081 |
| Furniture Assembly | 34.2% | — |
Multilingual DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 55.0 (#35), Molmo 2 8b: 42.7 (#190)
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1448 | 1276 |
| LMArena Chinese | 1497 | — |
| LMArena French | 1452 | — |
| LMArena German | 1484 | — |
| LMArena Japanese | 1412 | — |
| LMArena Korean | 1452 | — |
| LMArena Russian | 1471 | — |
| LMArena Spanish | 1459 | — |
Instruction Following DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 77.3 (#26), Molmo 2 8b: 67.0 (#201)
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1474 | 1270 |
Long Context Not comparable
DeepSeek V4.1 Flash: 45.2 (#47), Molmo 2 8b: —
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1475 | — |
Writing & Preference DeepSeek V4.1 Flash leads
DeepSeek V4.1 Flash: 65.4 (#48), Molmo 2 8b: 49.4 (#191)
| Benchmark | DeepSeek V4.1 Flash | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1462 | 1288 |
| LMArena Creative Writing | 1435 | — |
| EQ-Bench Creative Writing | 1540 | — |
| LMArena Multi-Turn | 1457 | — |
Frequently asked questions
Is DeepSeek V4.1 Flash better than Molmo 2 8b?
DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 39.1 on the Noometry Index.
How many benchmarks do DeepSeek V4.1 Flash and Molmo 2 8b share?
5 benchmarks have published results for both models. DeepSeek V4.1 Flash has 37 scored results on Noometry and Molmo 2 8b has 5.