Model comparison
Seed 2.0 Pro vs Qwen Plus
Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 36.7 on the Noometry Index. Qwen Plus costs 1.9× less per token, which makes it the better buy when Seed 2.0 Pro's lead doesn't matter for your workload.
Last verified . 13 shared benchmarks.
ByteDance Seed
Alibaba (Qwen)Summary
- They share 13 benchmarks with published results for both. Seed 2.0 Pro scores higher in 7 categories and Qwen Plus in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Seed 2.0 Pro leads 36.5 to 22.0.
- Qwen Plus is cheaper at $0.40 / $1.20 per million input/output tokens, against $0.50 / $3 for Seed 2.0 Pro.
- Qwen Plus accepts more context: 1M tokens versus 256K.
Side by side
| Seed 2.0 Pro | Qwen Plus | |
|---|---|---|
| Provider | ByteDance Seed | Alibaba (Qwen) |
| Noometry Index | 42.5 | 36.7 |
| Released | 2026-02-14 | 2024-01-25 |
| Weights | Proprietary | Proprietary |
| Context window | 256K | 1M |
| Max output | 128K | 33K |
| Input $ / M tokens | $0.50 | $0.40 |
| Output $ / M tokens | $3 | $1.20 |
| Results tracked | 20 | 20 |
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Category by category
Coding Seed 2.0 Pro leads
Seed 2.0 Pro: 42.9 (#84), Qwen Plus: 38.3 (#163)
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Coding | 1472 | 1328 |
Reasoning Qwen Plus leads
Seed 2.0 Pro: 23.1 (#167), Qwen Plus: 27.6 (#101)
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1317 |
| Kagi LLM Benchmark | — | 63.3% |
| NYT Connections (extended) | 28.4% | — |
| Thematic Generalization | 57.1% | — |
| DTBench | — | 81.1% |
| LMCA | — | 24% |
Math Seed 2.0 Pro leads
Seed 2.0 Pro: 36.5 (#110), Qwen Plus: 22.0 (#266)
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Math | 1440 | 1326 |
| OTIS Mock AIME 2024-2025 | — | 17.8% |
| MATH Level 5 | — | 65.3% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge Seed 2.0 Pro leads
Seed 2.0 Pro: 39.6 (#119), Qwen Plus: 27.4 (#245)
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Expert | 1440 | 1328 |
| GPQA Diamond | — | 48.1% |
Multimodal Not comparable
Seed 2.0 Pro: 40.8 (#34), Qwen Plus: —
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Vision | 1275 | — |
Multilingual Seed 2.0 Pro leads
Seed 2.0 Pro: 54.8 (#37), Qwen Plus: 45.3 (#170)
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1442 | 1310 |
| LMArena Chinese | 1490 | 1347 |
| LMArena Japanese | 1408 | 1251 |
| LMArena Russian | 1450 | 1323 |
| LMArena French | 1470 | — |
| LMArena German | 1443 | — |
| LMArena Korean | 1412 | — |
| LMArena Spanish | 1460 | — |
Instruction Following Seed 2.0 Pro leads
Seed 2.0 Pro: 74.7 (#86), Qwen Plus: 69.0 (#176)
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1414 | 1303 |
Long Context Seed 2.0 Pro leads
Seed 2.0 Pro: 43.6 (#85), Qwen Plus: 40.3 (#153)
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1428 | 1325 |
Writing & Preference Seed 2.0 Pro leads
Seed 2.0 Pro: 63.0 (#66), Qwen Plus: 52.4 (#171)
| Benchmark | Seed 2.0 Pro | Qwen Plus |
|---|---|---|
| LMArena Text | 1448 | 1326 |
| LMArena Creative Writing | 1406 | 1293 |
| LMArena Multi-Turn | 1441 | 1336 |
Frequently asked questions
Is Seed 2.0 Pro better than Qwen Plus?
Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 36.7 on the Noometry Index. Qwen Plus costs 1.9× less per token, which makes it the better buy when Seed 2.0 Pro's lead doesn't matter for your workload.
Which is cheaper, Seed 2.0 Pro or Qwen Plus?
Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 per million output tokens; Seed 2.0 Pro lists at $0.50 and $3.
Is Seed 2.0 Pro or Qwen Plus better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 42.9 versus 38.3 in the Noometry coding category.
Which has the bigger context window?
Qwen Plus does, with 1M tokens against 256K.
How many benchmarks do Seed 2.0 Pro and Qwen Plus share?
13 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Qwen Plus has 20.