Model comparison

Seed 2.0 Pro vs GPT-4.1

Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 35.9 on the Noometry Index.

Last verified . 18 shared benchmarks.

Seed 2.0 Pro ByteDance Seed

43.2

Rank #96 Confirmed

GPT-4.1 OpenAI

35.9

Rank #219 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Seed 2.0 Pro scores higher in 9 categories and GPT-4.1 in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Seed 2.0 Pro leads 39.3 to 22.3.
  • Seed 2.0 Pro is cheaper at $0.50 / $3 per million input/output tokens, against $2 / $8 for GPT-4.1.
  • GPT-4.1 accepts more context: 1.05M tokens versus 256K.

Side by side

Seed 2.0 Pro and GPT-4.1 specifications
Seed 2.0 ProGPT-4.1
ProviderByteDance SeedOpenAI
Noometry Index43.235.9
Released2026-02-142025-04-14
WeightsProprietaryProprietary
Context window256K1.05M
Max output128K33K
Input $ / M tokens$0.50$2
Output $ / M tokens$3$8
Results tracked2052

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Category by category

Coding Seed 2.0 Pro leads

Seed 2.0 Pro: 43.5 (#86), GPT-4.1: 34.4 (#238)

Coding benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Coding14721391
SWE-bench Verified—48.5%
SWE-bench Verified (bash only)—39.6%
Aider Polyglot—52.4%
WeirdML—39%
CadEval—42%
ALE-Bench—558.1

Agentic & Tool Use Not comparable

Seed 2.0 Pro: —, GPT-4.1: 34.7 (#43)

Agentic & Tool Use benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
Berkeley Function Calling Leaderboard—54%

Reasoning Seed 2.0 Pro leads

Seed 2.0 Pro: 24.1 (#165), GPT-4.1: 11.7 (#339)

Reasoning benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Hard Prompts14531384
ARC-AGI-2—0.4%
SimpleBench—27%
Kagi LLM Benchmark—52.3%
NYT Connections (extended)28.4%—
ARC-AGI-1—5.5%
Chess Puzzles—6%
EnigmaEval—2.2%
Thematic Generalization57.1%—
DTBench—68.3%
LMCA—25.6%
Epoch Capabilities Index—136.78
ForecastBench—61.5

Math Seed 2.0 Pro leads

Seed 2.0 Pro: 39.3 (#108), GPT-4.1: 22.3 (#280)

Math benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Math14391370
FrontierMath (Tiers 1-3)—6%
OTIS Mock AIME 2024-2025—38.3%
Omni-MATH—47.1%
MATH Level 5—83%
FrontierMath (Feb 2025 set)—5.5%
FrontierMath Tier 4 (v1)—0%

Knowledge Seed 2.0 Pro leads

Seed 2.0 Pro: 40.2 (#122), GPT-4.1: 37.1 (#160)

Knowledge benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Expert14401364
GPQA Diamond—66.9%
Humanity's Last Exam—5.4%
SimpleQA Verified—31.1%
MMLU-Pro—81.1%
Vectara Hallucination Rate—5.6%
GPQA (HELM)—65.9%

Multimodal Seed 2.0 Pro leads

Seed 2.0 Pro: 41.5 (#35), GPT-4.1: 38.2 (#67)

Multimodal benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Vision12741211
GeoBench—72%

Multilingual Seed 2.0 Pro leads

Seed 2.0 Pro: 54.5 (#39), GPT-4.1: 49.4 (#133)

Multilingual benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Non-English14411370
LMArena Chinese14891382
LMArena French14711382
LMArena German14421381
LMArena Japanese14081319
LMArena Korean14111339
LMArena Russian14491377
LMArena Spanish14601376

Instruction Following Seed 2.0 Pro leads

Seed 2.0 Pro: 74.5 (#91), GPT-4.1: 71.3 (#153)

Instruction Following benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Instruction Following14141367
IFEval—83.8%

Long Context Seed 2.0 Pro leads

Seed 2.0 Pro: 43.6 (#90), GPT-4.1: 40.0 (#163)

Long Context benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Longer Query14281385
Fiction.LiveBench—63.9%

Writing & Preference Seed 2.0 Pro leads

Seed 2.0 Pro: 62.9 (#69), GPT-4.1: 57.6 (#125)

Writing & Preference benchmarks
BenchmarkSeed 2.0 ProGPT-4.1
LMArena Text14481383
LMArena Creative Writing14061363
LMArena Multi-Turn14411398
EQ-Bench Creative Writing—1420
WildBench—85.4%

Frequently asked questions

Is Seed 2.0 Pro better than GPT-4.1?

Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 35.9 on the Noometry Index.

Which is cheaper, Seed 2.0 Pro or GPT-4.1?

Seed 2.0 Pro is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; GPT-4.1 lists at $2 and $8.

Is Seed 2.0 Pro or GPT-4.1 better for coding?

Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 34.4 in the Noometry coding category.

Which has the bigger context window?

GPT-4.1 does, with 1.05M tokens against 256K.

How many benchmarks do Seed 2.0 Pro and GPT-4.1 share?

18 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and GPT-4.1 has 52.

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