Model comparison
Seed 2.0 Pro vs Mixtral 8x7B
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 27.1 on the Noometry Index. Mixtral 8x7B costs 1.6× less per token, which makes it the better buy when Seed 2.0 Pro's lead doesn't matter for your workload.
Last verified . 17 shared benchmarks.
ByteDance Seed
Mistral AISummary
- They share 17 benchmarks with published results for both. Seed 2.0 Pro scores higher in 8 categories and Mixtral 8x7B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Seed 2.0 Pro leads 40.2 to 11.0.
- Mixtral 8x7B is cheaper at $0.70 / $0.70 per million input/output tokens, against $0.50 / $3 for Seed 2.0 Pro.
- Seed 2.0 Pro accepts more context: 256K tokens versus 32K.
- Mixtral 8x7B has downloadable open weights; the other is API-only.
Side by side
| Seed 2.0 Pro | Mixtral 8x7B | |
|---|---|---|
| Provider | ByteDance Seed | Mistral AI |
| Noometry Index | 43.2 | 27.1 |
| Released | 2026-02-14 | 2023-12-11 |
| Weights | Proprietary | Open |
| Context window | 256K | 32K |
| Max output | 128K | 32K |
| Input $ / M tokens | $0.50 | $0.70 |
| Output $ / M tokens | $3 | $0.70 |
| Results tracked | 20 | 38 |
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Category by category
Coding Seed 2.0 Pro leads
Seed 2.0 Pro: 43.5 (#86), Mixtral 8x7B: 32.8 (#269)
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Coding | 1472 | 1126 |
| HumanEval+ | — | 39.6% |
| MBPP+ | — | 49.7% |
Reasoning Seed 2.0 Pro leads
Seed 2.0 Pro: 24.1 (#165), Mixtral 8x7B: 18.2 (#285)
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1115 |
| NYT Connections (extended) | 28.4% | — |
| Thematic Generalization | 57.1% | — |
| DTBench | — | 49.6% |
| Adversarial NLI | — | 55.2% |
| Epoch Capabilities Index | — | 118.47 |
| ForecastBench | — | 56.3 |
| HellaSwag | — | 86.7% |
| PIQA | — | 83.6% |
| WinoGrande | — | 77.2% |
Math Seed 2.0 Pro leads
Seed 2.0 Pro: 39.3 (#108), Mixtral 8x7B: 18.8 (#289)
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Math | 1439 | 1147 |
| Omni-MATH | — | 10.5% |
| MATH Level 5 | — | 10% |
| GSM8K | — | 74.4% |
Knowledge Seed 2.0 Pro leads
Seed 2.0 Pro: 40.2 (#122), Mixtral 8x7B: 11.0 (#301)
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Expert | 1440 | 1088 |
| GPQA Diamond | — | 30.6% |
| MMLU-Pro | — | 33.5% |
| GPQA (HELM) | — | 29.6% |
| ARC (AI2) Challenge | — | 87.3% |
| MMLU | — | 70.6% |
| OpenBookQA | — | 85.8% |
| TriviaQA | — | 82.2% |
Multimodal Not comparable
Seed 2.0 Pro: 41.5 (#35), Mixtral 8x7B: —
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Vision | 1274 | — |
Multilingual Seed 2.0 Pro leads
Seed 2.0 Pro: 54.5 (#39), Mixtral 8x7B: 29.6 (#266)
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Non-English | 1441 | 1077 |
| LMArena Chinese | 1489 | 1055 |
| LMArena French | 1471 | 1166 |
| LMArena German | 1442 | 1114 |
| LMArena Japanese | 1408 | 931 |
| LMArena Korean | 1411 | 968 |
| LMArena Russian | 1449 | 1090 |
| LMArena Spanish | 1460 | 1111 |
Instruction Following Seed 2.0 Pro leads
Seed 2.0 Pro: 74.5 (#91), Mixtral 8x7B: 51.0 (#297)
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Instruction Following | 1414 | 1109 |
| IFEval | — | 57.5% |
Long Context Seed 2.0 Pro leads
Seed 2.0 Pro: 43.6 (#90), Mixtral 8x7B: 33.4 (#260)
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Longer Query | 1428 | 1103 |
Writing & Preference Seed 2.0 Pro leads
Seed 2.0 Pro: 62.9 (#69), Mixtral 8x7B: 34.2 (#270)
| Benchmark | Seed 2.0 Pro | Mixtral 8x7B |
|---|---|---|
| LMArena Text | 1448 | 1132 |
| LMArena Creative Writing | 1406 | 1109 |
| LMArena Multi-Turn | 1441 | 1115 |
| WildBench | — | 67.3% |
Frequently asked questions
Is Seed 2.0 Pro better than Mixtral 8x7B?
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 27.1 on the Noometry Index. Mixtral 8x7B costs 1.6× 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 Mixtral 8x7B?
Mixtral 8x7B is cheaper. It lists at $0.70 per million input tokens and $0.70 per million output tokens; Seed 2.0 Pro lists at $0.50 and $3.
Is Seed 2.0 Pro or Mixtral 8x7B better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 32.8 in the Noometry coding category.
Which has the bigger context window?
Seed 2.0 Pro does, with 256K tokens against 32K.
How many benchmarks do Seed 2.0 Pro and Mixtral 8x7B share?
17 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Mixtral 8x7B has 38.