Model comparison

Seed 2.0 Pro vs Phi 3 Medium 4k Instruct

Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 32.4 on the Noometry Index.

Last verified . 17 shared benchmarks.

Seed 2.0 Pro ByteDance Seed

42.5

Rank #97 Confirmed

Phi 3 Medium 4k Instruct Microsoft

32.4

Rank #246 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Seed 2.0 Pro scores higher in 8 categories and Phi 3 Medium 4k 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 34.3.
  • Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

Side by side

Seed 2.0 Pro and Phi 3 Medium 4k Instruct specifications
Seed 2.0 ProPhi 3 Medium 4k Instruct
ProviderByteDance SeedMicrosoft
Noometry Index42.532.4
Released2026-02-14—
WeightsProprietaryOpen
Context window256K—
Max output128K—
Input $ / M tokens$0.50—
Output $ / M tokens$3—
Results tracked2017

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Category by category

Coding Seed 2.0 Pro leads

Seed 2.0 Pro: 42.9 (#84), Phi 3 Medium 4k Instruct: 32.3 (#263)

Coding benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Coding14721130

Reasoning Seed 2.0 Pro leads

Seed 2.0 Pro: 23.1 (#167), Phi 3 Medium 4k Instruct: 20.8 (#214)

Reasoning benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Hard Prompts14531127
NYT Connections (extended)28.4%—
Thematic Generalization57.1%—

Math Seed 2.0 Pro leads

Seed 2.0 Pro: 36.5 (#110), Phi 3 Medium 4k Instruct: 30.9 (#202)

Math benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Math14401173

Knowledge Seed 2.0 Pro leads

Seed 2.0 Pro: 39.6 (#119), Phi 3 Medium 4k Instruct: 29.6 (#226)

Knowledge benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Expert14401108

Multimodal Not comparable

Seed 2.0 Pro: 40.8 (#34), Phi 3 Medium 4k Instruct: —

Multimodal benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Vision1275—

Multilingual Seed 2.0 Pro leads

Seed 2.0 Pro: 54.8 (#37), Phi 3 Medium 4k Instruct: 30.8 (#258)

Multilingual benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Non-English14421094
LMArena Chinese14901108
LMArena French14701109
LMArena German14431101
LMArena Japanese14081042
LMArena Korean1412954
LMArena Russian14501145
LMArena Spanish14601095

Instruction Following Seed 2.0 Pro leads

Seed 2.0 Pro: 74.7 (#86), Phi 3 Medium 4k Instruct: 57.8 (#263)

Instruction Following benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Instruction Following14141114

Long Context Seed 2.0 Pro leads

Seed 2.0 Pro: 43.6 (#85), Phi 3 Medium 4k Instruct: 33.9 (#250)

Long Context benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Longer Query14281120

Writing & Preference Seed 2.0 Pro leads

Seed 2.0 Pro: 63.0 (#66), Phi 3 Medium 4k Instruct: 34.3 (#267)

Writing & Preference benchmarks
BenchmarkSeed 2.0 ProPhi 3 Medium 4k Instruct
LMArena Text14481138
LMArena Creative Writing14061106
LMArena Multi-Turn14411088

Frequently asked questions

Is Seed 2.0 Pro better than Phi 3 Medium 4k Instruct?

Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 32.4 on the Noometry Index.

Is Seed 2.0 Pro or Phi 3 Medium 4k Instruct better for coding?

Seed 2.0 Pro scores higher on coding benchmarks: 42.9 versus 32.3 in the Noometry coding category.

How many benchmarks do Seed 2.0 Pro and Phi 3 Medium 4k Instruct share?

17 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.

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