Model comparison
Seed 2.0 Pro vs Mistral Small 3
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 31.2 on the Noometry Index. Mistral Small 3 costs 20× less per token, which makes it the better buy when Seed 2.0 Pro's lead doesn't matter for your workload.
Last verified . 16 shared benchmarks.
ByteDance Seed
Mistral AISummary
- They share 16 benchmarks with published results for both. Seed 2.0 Pro scores higher in 8 categories and Mistral Small 3 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Seed 2.0 Pro leads 62.9 to 32.2.
- Mistral Small 3 is cheaper at $0.05 / $0.08 per million input/output tokens, against $0.50 / $3 for Seed 2.0 Pro.
- Seed 2.0 Pro accepts more context: 256K tokens versus 33K.
- Mistral Small 3 has downloadable open weights; the other is API-only.
Side by side
| Seed 2.0 Pro | Mistral Small 3 | |
|---|---|---|
| Provider | ByteDance Seed | Mistral AI |
| Noometry Index | 43.2 | 31.2 |
| Released | 2026-02-14 | 2025-01-30 |
| Weights | Proprietary | Open |
| Context window | 256K | 33K |
| Max output | 128K | 16K |
| Input $ / M tokens | $0.50 | $0.05 |
| Output $ / M tokens | $3 | $0.08 |
| Results tracked | 20 | 24 |
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Category by category
Coding Seed 2.0 Pro leads
Seed 2.0 Pro: 43.5 (#86), Mistral Small 3: 36.5 (#207)
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Coding | 1472 | 1246 |
| BigCodeBench Instruct | — | 45.3% |
| BigCodeBench Complete | — | 50.4% |
Reasoning Seed 2.0 Pro leads
Seed 2.0 Pro: 24.1 (#165), Mistral Small 3: 18.9 (#273)
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1233 |
| NYT Connections (extended) | 28.4% | — |
| Chess Puzzles | — | 0% |
| Thematic Generalization | 57.1% | — |
| Epoch Capabilities Index | — | 127.07 |
Math Seed 2.0 Pro leads
Seed 2.0 Pro: 39.3 (#108), Mistral Small 3: 16.3 (#295)
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Math | 1439 | 1240 |
| OTIS Mock AIME 2024-2025 | — | 6.7% |
Knowledge Seed 2.0 Pro leads
Seed 2.0 Pro: 40.2 (#122), Mistral Small 3: 25.1 (#263)
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Expert | 1440 | 1202 |
| GPQA Diamond | — | 47.3% |
| Confabulations | — | 25.2% |
Multimodal Not comparable
Seed 2.0 Pro: 41.5 (#35), Mistral Small 3: —
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Vision | 1274 | — |
Multilingual Seed 2.0 Pro leads
Seed 2.0 Pro: 54.5 (#39), Mistral Small 3: 37.3 (#236)
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Non-English | 1441 | 1198 |
| LMArena Chinese | 1489 | 1204 |
| LMArena French | 1471 | 1203 |
| LMArena German | 1442 | 1211 |
| LMArena Japanese | 1408 | 1111 |
| LMArena Korean | 1411 | 1188 |
| LMArena Russian | 1449 | 1216 |
| LMArena Spanish | 1460 | — |
Instruction Following Seed 2.0 Pro leads
Seed 2.0 Pro: 74.5 (#91), Mistral Small 3: 63.7 (#229)
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Instruction Following | 1414 | 1214 |
Long Context Seed 2.0 Pro leads
Seed 2.0 Pro: 43.6 (#90), Mistral Small 3: 37.8 (#211)
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Longer Query | 1428 | 1246 |
Writing & Preference Seed 2.0 Pro leads
Seed 2.0 Pro: 62.9 (#69), Mistral Small 3: 32.2 (#280)
| Benchmark | Seed 2.0 Pro | Mistral Small 3 |
|---|---|---|
| LMArena Text | 1448 | 1234 |
| LMArena Creative Writing | 1406 | 1195 |
| LMArena Multi-Turn | 1441 | 1217 |
| EQ-Bench Creative Writing | — | 707 |
Frequently asked questions
Is Seed 2.0 Pro better than Mistral Small 3?
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 31.2 on the Noometry Index. Mistral Small 3 costs 20× 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 Mistral Small 3?
Mistral Small 3 is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; Seed 2.0 Pro lists at $0.50 and $3.
Is Seed 2.0 Pro or Mistral Small 3 better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 36.5 in the Noometry coding category.
Which has the bigger context window?
Seed 2.0 Pro does, with 256K tokens against 33K.
How many benchmarks do Seed 2.0 Pro and Mistral Small 3 share?
16 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Mistral Small 3 has 24.