# Seed 2.0 Pro vs Step 3

> Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 40.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/dola-seed-2-0-pro-vs-step-3
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Seed 2.0 Pro scores higher in 8 categories and Step 3 in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Seed 2.0 Pro leads 62.9 to 54.3.
- Step 3 has downloadable open weights; the other is API-only.

## Snapshot

| | Seed 2.0 Pro | Step 3 |
|---|---|---|
| Provider | ByteDance Seed | StepFun |
| Noometry Index | 43.2 | 40.5 |
| Rank | 96 | 149 |
| Context | 256K | — |
| Input $/M | $0.50 | — |
| Output $/M | $3 | — |
| Weights | Proprietary | Open |

## Coding

- Seed 2.0 Pro: 43.5 (#86)
- Step 3: 40.1 (#147)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Coding | 1472 | 1367 |

## Reasoning

- Seed 2.0 Pro: 24.1 (#165)
- Step 3: 28.4 (#105)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
| NYT Connections (extended) | 28.4% | — |
| Thematic Generalization | 57.1% | — |

## Math

- Seed 2.0 Pro: 39.3 (#108)
- Step 3: 37.6 (#148)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Math | 1439 | 1366 |

## Knowledge

- Seed 2.0 Pro: 40.2 (#122)
- Step 3: 36.8 (#164)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Expert | 1440 | 1333 |

## Multimodal

- Seed 2.0 Pro: 41.5 (#35)
- Step 3: 35.5 (#86)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Vision | 1274 | 1177 |

## Multilingual

- Seed 2.0 Pro: 54.5 (#39)
- Step 3: 46.3 (#159)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Non-English | 1441 | 1327 |
| LMArena Chinese | 1489 | 1397 |
| LMArena German | 1442 | 1371 |
| LMArena Korean | 1411 | 1269 |
| LMArena Russian | 1449 | 1331 |
| LMArena Spanish | 1460 | 1371 |
| LMArena French | 1471 | — |
| LMArena Japanese | 1408 | — |

## Instruction Following

- Seed 2.0 Pro: 74.5 (#91)
- Step 3: 70.4 (#164)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1414 | 1332 |

## Long Context

- Seed 2.0 Pro: 43.6 (#90)
- Step 3: 40.3 (#157)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Longer Query | 1428 | 1326 |

## Writing & Preference

- Seed 2.0 Pro: 62.9 (#69)
- Step 3: 54.3 (#151)

| Benchmark | Seed 2.0 Pro | Step 3 |
|---|---|---|
| LMArena Text | 1448 | 1350 |
| LMArena Creative Writing | 1406 | 1321 |
| LMArena Multi-Turn | 1441 | 1341 |

## FAQ

### Is Seed 2.0 Pro better than Step 3?

Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 40.5 on the Noometry Index.

### Is Seed 2.0 Pro or Step 3 better for coding?

Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 40.1 in the Noometry coding category.

### How many benchmarks do Seed 2.0 Pro and Step 3 share?

16 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Step 3 has 17.