Model comparison
Seed 2.0 Pro vs Magistral Small
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 30.2 on the Noometry Index. Magistral Small costs 1.5× less per token, which makes it the better buy when Seed 2.0 Pro's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
ByteDance Seed
Mistral AISummary
- The widest gap is in reasoning, where Seed 2.0 Pro leads 24.1 to 6.8.
- Magistral Small is cheaper at $0.50 / $1.50 per million input/output tokens, against $0.50 / $3 for Seed 2.0 Pro.
- Seed 2.0 Pro accepts more context: 256K tokens versus 128K.
- Magistral Small has downloadable open weights; the other is API-only.
Side by side
| Seed 2.0 Pro | Magistral Small | |
|---|---|---|
| Provider | ByteDance Seed | Mistral AI |
| Noometry Index | 43.2 | 30.2 |
| Released | 2026-02-14 | 2025-06-10 |
| Weights | Proprietary | Open |
| Context window | 256K | 128K |
| Max output | 128K | 40K |
| Input $ / M tokens | $0.50 | $0.50 |
| Output $ / M tokens | $3 | $1.50 |
| Results tracked | 20 | 10 |
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Category by category
Coding Seed 2.0 Pro leads
Seed 2.0 Pro: 43.5 (#86), Magistral Small: 38.4 (#176)
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| SciCode | — | 35.2% |
| LMArena Coding | 1472 | — |
Reasoning Seed 2.0 Pro leads
Seed 2.0 Pro: 24.1 (#165), Magistral Small: 6.8 (#350)
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| ARC-AGI-2 | — | 0% |
| Kagi LLM Benchmark | — | 6.3% |
| NYT Connections (extended) | 28.4% | — |
| ARC-AGI-1 | — | 5% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 3% |
| Thematic Generalization | 57.1% | — |
| LMArena Hard Prompts | 1453 | — |
| DTBench | — | 61.3% |
| Epoch Capabilities Index | — | 133.19 |
Math Seed 2.0 Pro leads
Seed 2.0 Pro: 39.3 (#108), Magistral Small: 26.2 (#261)
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 30% |
| LMArena Math | 1439 | — |
Knowledge Seed 2.0 Pro leads
Seed 2.0 Pro: 40.2 (#122), Magistral Small: 30.9 (#223)
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| GPQA Diamond | — | 56.1% |
| LMArena Expert | 1440 | — |
Multimodal Not comparable
Seed 2.0 Pro: 41.5 (#35), Magistral Small: —
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| LMArena Vision | 1274 | — |
Multilingual Not comparable
Seed 2.0 Pro: 54.5 (#39), Magistral Small: —
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| LMArena Non-English | 1441 | — |
| LMArena Chinese | 1489 | — |
| LMArena French | 1471 | — |
| LMArena German | 1442 | — |
| LMArena Japanese | 1408 | — |
| LMArena Korean | 1411 | — |
| LMArena Russian | 1449 | — |
| LMArena Spanish | 1460 | — |
Instruction Following Not comparable
Seed 2.0 Pro: 74.5 (#91), Magistral Small: —
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| LMArena Instruction Following | 1414 | — |
Long Context Not comparable
Seed 2.0 Pro: 43.6 (#90), Magistral Small: —
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| LMArena Longer Query | 1428 | — |
Writing & Preference Not comparable
Seed 2.0 Pro: 62.9 (#69), Magistral Small: —
| Benchmark | Seed 2.0 Pro | Magistral Small |
|---|---|---|
| LMArena Text | 1448 | — |
| LMArena Creative Writing | 1406 | — |
| LMArena Multi-Turn | 1441 | — |
Frequently asked questions
Is Seed 2.0 Pro better than Magistral Small?
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 30.2 on the Noometry Index. Magistral Small costs 1.5× 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 Magistral Small?
Magistral Small is cheaper. It lists at $0.50 per million input tokens and $1.50 per million output tokens; Seed 2.0 Pro lists at $0.50 and $3.
Is Seed 2.0 Pro or Magistral Small better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 38.4 in the Noometry coding category.
Which has the bigger context window?
Seed 2.0 Pro does, with 256K tokens against 128K.
How many benchmarks do Seed 2.0 Pro and Magistral Small share?
0 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Magistral Small has 10.