Model comparison
Seed 2.0 Pro vs Phi 3 Small 8k Instruct
Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 28.8 on the Noometry Index.
Last verified . 17 shared benchmarks.
ByteDance Seed
MicrosoftSummary
- They share 17 benchmarks with published results for both. Seed 2.0 Pro scores higher in 8 categories and Phi 3 Small 8k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Seed 2.0 Pro leads 63.0 to 31.3.
- Phi 3 Small 8k Instruct has downloadable open weights; the other is API-only.
Side by side
| Seed 2.0 Pro | Phi 3 Small 8k Instruct | |
|---|---|---|
| Provider | ByteDance Seed | Microsoft |
| Noometry Index | 42.5 | 28.8 |
| Released | 2026-02-14 | 2024-04-23 |
| Weights | Proprietary | Open |
| Context window | 256K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.50 | — |
| Output $ / M tokens | $3 | — |
| Results tracked | 20 | 32 |
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Category by category
Coding Seed 2.0 Pro leads
Seed 2.0 Pro: 42.9 (#84), Phi 3 Small 8k Instruct: 27.4 (#313)
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Coding | 1472 | 1102 |
| LiveBench Coding | — | 20.3% |
Reasoning Seed 2.0 Pro leads
Seed 2.0 Pro: 23.1 (#167), Phi 3 Small 8k Instruct: 14.2 (#319)
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1100 |
| NYT Connections (extended) | 28.4% | — |
| Thematic Generalization | 57.1% | — |
| LiveBench Reasoning | — | 15.9% |
| LiveBench Data Analysis | — | 30.3% |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |
Math Seed 2.0 Pro leads
Seed 2.0 Pro: 36.5 (#110), Phi 3 Small 8k Instruct: 25.4 (#247)
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Math | 1440 | 1151 |
| LiveBench Math | — | 17.6% |
Knowledge Seed 2.0 Pro leads
Seed 2.0 Pro: 39.6 (#119), Phi 3 Small 8k Instruct: 28.5 (#237)
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | 1440 | 1067 |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |
Multimodal Not comparable
Seed 2.0 Pro: 40.8 (#34), Phi 3 Small 8k Instruct: —
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Vision | 1275 | — |
Multilingual Seed 2.0 Pro leads
Seed 2.0 Pro: 54.8 (#37), Phi 3 Small 8k Instruct: 28.6 (#267)
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1442 | 1058 |
| LMArena Chinese | 1490 | 1061 |
| LMArena French | 1470 | 1134 |
| LMArena German | 1443 | 1080 |
| LMArena Japanese | 1408 | 966 |
| LMArena Korean | 1412 | 894 |
| LMArena Russian | 1450 | 1111 |
| LMArena Spanish | 1460 | 1111 |
Instruction Following Seed 2.0 Pro leads
Seed 2.0 Pro: 74.7 (#86), Phi 3 Small 8k Instruct: 52.2 (#287)
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Instruction Following | 1414 | 1087 |
| LiveBench Instruction Following | — | 47.2% |
Long Context Seed 2.0 Pro leads
Seed 2.0 Pro: 43.6 (#85), Phi 3 Small 8k Instruct: 33.0 (#262)
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1428 | 1088 |
Writing & Preference Seed 2.0 Pro leads
Seed 2.0 Pro: 63.0 (#66), Phi 3 Small 8k Instruct: 31.3 (#279)
| Benchmark | Seed 2.0 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1448 | 1110 |
| LMArena Creative Writing | 1406 | 1083 |
| LMArena Multi-Turn | 1441 | 1068 |
| LiveBench Language | — | 12.9% |
Frequently asked questions
Is Seed 2.0 Pro better than Phi 3 Small 8k Instruct?
Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 28.8 on the Noometry Index.
Is Seed 2.0 Pro or Phi 3 Small 8k Instruct better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 42.9 versus 27.4 in the Noometry coding category.
How many benchmarks do Seed 2.0 Pro and Phi 3 Small 8k Instruct share?
17 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Phi 3 Small 8k Instruct has 32.