Model comparison
Seed 2.0 Pro vs Molmo 2 8b
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 39.1 on the Noometry Index.
Last verified . 5 shared benchmarks.
ByteDance Seed
Allen Institute for AI (Ai2)Summary
- They share 5 benchmarks with published results for both. Seed 2.0 Pro scores higher in 4 categories and Molmo 2 8b in 1 category; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Seed 2.0 Pro leads 62.9 to 49.4.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| Seed 2.0 Pro | Molmo 2 8b | |
|---|---|---|
| Provider | ByteDance Seed | Allen Institute for AI (Ai2) |
| Noometry Index | 43.2 | 39.1 |
| Released | 2026-02-14 | — |
| Weights | Proprietary | Open |
| Context window | 256K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.50 | — |
| Output $ / M tokens | $3 | — |
| Results tracked | 20 | 5 |
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Category by category
Coding Not comparable
Seed 2.0 Pro: 43.5 (#86), Molmo 2 8b: —
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Coding | 1472 | — |
Reasoning Molmo 2 8b leads
Seed 2.0 Pro: 24.1 (#165), Molmo 2 8b: 25.6 (#146)
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1287 |
| NYT Connections (extended) | 28.4% | — |
| Thematic Generalization | 57.1% | — |
Math Not comparable
Seed 2.0 Pro: 39.3 (#108), Molmo 2 8b: —
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Math | 1439 | — |
Knowledge Not comparable
Seed 2.0 Pro: 40.2 (#122), Molmo 2 8b: —
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Expert | 1440 | — |
Multimodal Seed 2.0 Pro leads
Seed 2.0 Pro: 41.5 (#35), Molmo 2 8b: 30.2 (#112)
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Vision | 1274 | 1081 |
Multilingual Seed 2.0 Pro leads
Seed 2.0 Pro: 54.5 (#39), Molmo 2 8b: 42.7 (#190)
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1441 | 1276 |
| LMArena Chinese | 1489 | — |
| LMArena French | 1471 | — |
| LMArena German | 1442 | — |
| LMArena Japanese | 1408 | — |
| LMArena Korean | 1411 | — |
| LMArena Russian | 1449 | — |
| LMArena Spanish | 1460 | — |
Instruction Following Seed 2.0 Pro leads
Seed 2.0 Pro: 74.5 (#91), Molmo 2 8b: 67.0 (#201)
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1414 | 1270 |
Long Context Not comparable
Seed 2.0 Pro: 43.6 (#90), Molmo 2 8b: —
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1428 | — |
Writing & Preference Seed 2.0 Pro leads
Seed 2.0 Pro: 62.9 (#69), Molmo 2 8b: 49.4 (#191)
| Benchmark | Seed 2.0 Pro | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1448 | 1288 |
| LMArena Creative Writing | 1406 | — |
| LMArena Multi-Turn | 1441 | — |
Frequently asked questions
Is Seed 2.0 Pro better than Molmo 2 8b?
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 39.1 on the Noometry Index.
How many benchmarks do Seed 2.0 Pro and Molmo 2 8b share?
5 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Molmo 2 8b has 5.