Noometry

Model comparison

Seed 2.0 Pro vs Grok 4.3

Grok 4.3 is the stronger model overall, scoring 43.6 to 42.5 on the Noometry Index.

Last verified . 19 shared benchmarks.

Seed 2.0 Pro ByteDance Seed

42.5

Rank #97 Confirmed

Grok 4.3 xAI

43.6

Rank #80 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Seed 2.0 Pro scores higher in 6 categories and Grok 4.3 in 3 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 39.6.
  • The biggest single-benchmark swing is NYT Connections (extended): 28.4% for Seed 2.0 Pro and 55.2% for Grok 4.3.
  • Seed 2.0 Pro is cheaper at $0.50 / $3 per million input/output tokens, against $1.25 / $2.50 for Grok 4.3.
  • Grok 4.3 accepts more context: 1M tokens versus 256K.

Side by side

Seed 2.0 ProGrok 4.3
ProviderByteDance SeedxAI
Noometry Index42.543.6
Released2026-02-142026-04-17
WeightsProprietaryProprietary
Context window256K1M
Max output128K30K
Input $ / M tokens$0.50$1.25
Output $ / M tokens$3$2.50
Results tracked2040

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Category by category

Coding Seed 2.0 Pro leads

Seed 2.0 Pro: 42.9 (#84), Grok 4.3: 41.3 (#117)

BenchmarkSeed 2.0 ProGrok 4.3
LMArena Coding14721415
LMArena WebDev—1357
SciCode—47.3%
WeirdML—49.9%
ALE-Bench—944.17

Agentic & Tool Use Not comparable

Seed 2.0 Pro: —, Grok 4.3: 27.6 (#93)

BenchmarkSeed 2.0 ProGrok 4.3
GDP.pdf—8%
LMArena Search—1165
Vending-Bench 2—35.26

Reasoning Grok 4.3 leads

Seed 2.0 Pro: 23.1 (#167), Grok 4.3: 34.9 (#60)

BenchmarkSeed 2.0 ProGrok 4.3
NYT Connections (extended)28.4%55.2%
LMArena Hard Prompts14531397
CritPt—8%
Chess Puzzles—25%
Thematic Generalization57.1%—
DTBench—90.7%
LMCA—38.3%
Epoch Capabilities Index—149.13
ForecastBench—60.3

Math Grok 4.3 leads

Seed 2.0 Pro: 36.5 (#110), Grok 4.3: 45.8 (#60)

BenchmarkSeed 2.0 ProGrok 4.3
LMArena Math14401388
FrontierMath (Tiers 1-3)—42.8%
FrontierMath Tier 4—14.6%
OTIS Mock AIME 2024-2025—93.3%
ProofBench—11%

Knowledge Grok 4.3 leads

Seed 2.0 Pro: 39.6 (#119), Grok 4.3: 52.5 (#57)

BenchmarkSeed 2.0 ProGrok 4.3
LMArena Expert14401385
GPQA Diamond—88.8%
SimpleQA Verified—33.2%

Multimodal Seed 2.0 Pro leads

Seed 2.0 Pro: 40.8 (#34), Grok 4.3: 31.6 (#96)

BenchmarkSeed 2.0 ProGrok 4.3
LMArena Vision12751231
Blueprint-Bench 2—0%

Multilingual Seed 2.0 Pro leads

Seed 2.0 Pro: 54.8 (#37), Grok 4.3: 50.7 (#114)

BenchmarkSeed 2.0 ProGrok 4.3
LMArena Non-English14421385
LMArena Chinese14901423
LMArena French14701412
LMArena German14431395
LMArena Japanese14081379
LMArena Korean14121357
LMArena Russian14501399
LMArena Spanish14601402

Instruction Following Seed 2.0 Pro leads

Seed 2.0 Pro: 74.7 (#86), Grok 4.3: 72.3 (#135)

BenchmarkSeed 2.0 ProGrok 4.3
LMArena Instruction Following14141366

Long Context Seed 2.0 Pro leads

Seed 2.0 Pro: 43.6 (#85), Grok 4.3: 42.5 (#118)

BenchmarkSeed 2.0 ProGrok 4.3
LMArena Longer Query14281393

Writing & Preference Seed 2.0 Pro leads

Seed 2.0 Pro: 63.0 (#66), Grok 4.3: 58.6 (#112)

BenchmarkSeed 2.0 ProGrok 4.3
LMArena Text14481397
LMArena Creative Writing14061380
LMArena Multi-Turn14411406
EQ-Bench 4—1075

Frequently asked questions

Is Seed 2.0 Pro better than Grok 4.3?

Grok 4.3 is the stronger model overall, scoring 43.6 to 42.5 on the Noometry Index.

Which is cheaper, Seed 2.0 Pro or Grok 4.3?

Seed 2.0 Pro is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; Grok 4.3 lists at $1.25 and $2.50.

Is Seed 2.0 Pro or Grok 4.3 better for coding?

Seed 2.0 Pro scores higher on coding benchmarks: 42.9 versus 41.3 in the Noometry coding category.

Which has the bigger context window?

Grok 4.3 does, with 1M tokens against 256K.

How many benchmarks do Seed 2.0 Pro and Grok 4.3 share?

19 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Grok 4.3 has 40.

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