Noometry

Model comparison

DeepSeek-V3.1-Terminus vs Seed 2.0 Pro

DeepSeek-V3.1-Terminus and Seed 2.0 Pro score almost the same on the Noometry Index (43.1 vs 43.2), so choose on price, context window or the category you care about most.

Last verified . 10 shared benchmarks.

DeepSeek-V3.1-Terminus DeepSeek

43.1

Rank #97 Confirmed

Seed 2.0 Pro ByteDance Seed

43.2

Rank #96 Confirmed

Summary

  • They share 10 benchmarks with published results for both. DeepSeek-V3.1-Terminus scores higher in 1 category and Seed 2.0 Pro in 6 categories; 4 gaps are clear of the uncertainty.
  • DeepSeek-V3.1-Terminus is cheaper at $0.27 / $1 per million input/output tokens, against $0.50 / $3 for Seed 2.0 Pro.
  • Seed 2.0 Pro accepts more context: 256K tokens versus 164K.
  • DeepSeek-V3.1-Terminus has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V3.1-TerminusSeed 2.0 Pro
ProviderDeepSeekByteDance Seed
Noometry Index43.143.2
Released2025-09-222026-02-14
WeightsOpenProprietary
Context window164K256K
Max output147K128K
Input $ / M tokens$0.27$0.50
Output $ / M tokens$1$3
Results tracked1620

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Category by category

Coding Seed 2.0 Pro leads

DeepSeek-V3.1-Terminus: 42.0 (#113), Seed 2.0 Pro: 43.5 (#86)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Coding14261472
SciCode40.6%—
ALE-Bench745.17—

Reasoning DeepSeek-V3.1-Terminus leads

DeepSeek-V3.1-Terminus: 26.4 (#133), Seed 2.0 Pro: 24.1 (#165)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Hard Prompts14261453
Kagi LLM Benchmark57.4%—
NYT Connections (extended)—28.4%
CritPt1.7%—
Thematic Generalization—57.1%
DTBench81.3%—
LMCA28.6%—

Math Too close to call

DeepSeek-V3.1-Terminus: 38.5 (#137), Seed 2.0 Pro: 39.3 (#108)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Math14021439

Knowledge Not comparable

DeepSeek-V3.1-Terminus: —, Seed 2.0 Pro: 40.2 (#122)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Expert—1440

Multimodal Not comparable

DeepSeek-V3.1-Terminus: —, Seed 2.0 Pro: 41.5 (#35)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Vision—1274

Multilingual Seed 2.0 Pro leads

DeepSeek-V3.1-Terminus: 52.1 (#92), Seed 2.0 Pro: 54.5 (#39)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Non-English14071441
LMArena Russian14361449
LMArena Chinese—1489
LMArena French—1471
LMArena German—1442
LMArena Japanese—1408
LMArena Korean—1411
LMArena Spanish—1460

Instruction Following Too close to call

DeepSeek-V3.1-Terminus: 74.0 (#106), Seed 2.0 Pro: 74.5 (#91)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Instruction Following14041414

Long Context Too close to call

DeepSeek-V3.1-Terminus: 43.4 (#97), Seed 2.0 Pro: 43.6 (#90)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Longer Query14211428

Writing & Preference Seed 2.0 Pro leads

DeepSeek-V3.1-Terminus: 61.0 (#92), Seed 2.0 Pro: 62.9 (#69)

BenchmarkDeepSeek-V3.1-TerminusSeed 2.0 Pro
LMArena Text14191448
LMArena Creative Writing14031406
LMArena Multi-Turn14111441

Frequently asked questions

Is DeepSeek-V3.1-Terminus better than Seed 2.0 Pro?

DeepSeek-V3.1-Terminus and Seed 2.0 Pro score almost the same on the Noometry Index (43.1 vs 43.2), so choose on price, context window or the category you care about most.

Which is cheaper, DeepSeek-V3.1-Terminus or Seed 2.0 Pro?

DeepSeek-V3.1-Terminus is cheaper. It lists at $0.27 per million input tokens and $1 per million output tokens; Seed 2.0 Pro lists at $0.50 and $3.

Is DeepSeek-V3.1-Terminus or Seed 2.0 Pro better for coding?

Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 42.0 in the Noometry coding category.

Which has the bigger context window?

Seed 2.0 Pro does, with 256K tokens against 164K.

How many benchmarks do DeepSeek-V3.1-Terminus and Seed 2.0 Pro share?

10 benchmarks have published results for both models. DeepSeek-V3.1-Terminus has 16 scored results on Noometry and Seed 2.0 Pro has 20.

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