Noometry

Model comparison

Seed 2.0 Pro vs Qwen3.8 Max

Qwen3.8 Max is the stronger model overall, scoring 56.8 to 43.2 on the Noometry Index. Seed 2.0 Pro costs 2.7× less per token, which makes it the better buy when Qwen3.8 Max's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

Seed 2.0 Pro ByteDance Seed

43.2

Rank #96 Confirmed

Qwen3.8 Max Alibaba (Qwen)

56.8

Rank #22 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Seed 2.0 Pro scores higher in 1 category and Qwen3.8 Max in 8 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Qwen3.8 Max leads 73.2 to 39.3.
  • The biggest single-benchmark swing is NYT Connections (extended): 28.4% for Seed 2.0 Pro and 88.3% for Qwen3.8 Max.
  • Seed 2.0 Pro is cheaper at $0.50 / $3 per million input/output tokens, against $2 / $6 for Qwen3.8 Max.
  • Qwen3.8 Max accepts more context: 1M tokens versus 256K.

Side by side

Seed 2.0 ProQwen3.8 Max
ProviderByteDance SeedAlibaba (Qwen)
Noometry Index43.256.8
Released2026-02-142026-08-02
WeightsProprietaryProprietary
Context window256K1M
Max output128K131K
Input $ / M tokens$0.50$2
Output $ / M tokens$3$6
Results tracked2039

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Category by category

Coding Qwen3.8 Max leads

Seed 2.0 Pro: 43.5 (#86), Qwen3.8 Max: 53.5 (#29)

BenchmarkSeed 2.0 ProQwen3.8 Max
LMArena Coding14721502
DeepSWE—57.5%
LMArena WebDev—1674
FrontierSWE—17.8%
SciCode—53.2%

Agentic & Tool Use Not comparable

Seed 2.0 Pro: —, Qwen3.8 Max: 45.4 (#14)

BenchmarkSeed 2.0 ProQwen3.8 Max
APEX-Agents—63.3%
τ²-bench Banking—55.1%
GDP.pdf—23.2%

Reasoning Qwen3.8 Max leads

Seed 2.0 Pro: 24.1 (#165), Qwen3.8 Max: 54.4 (#26)

BenchmarkSeed 2.0 ProQwen3.8 Max
NYT Connections (extended)28.4%88.3%
LMArena Hard Prompts14531496
CritPt—20%
Chess Puzzles—40%
Thematic Generalization57.1%—
Mystery Game Puzzles—38%
DTBench—92%
LMCA—46.2%
Epoch Capabilities Index—156.41

Math Qwen3.8 Max leads

Seed 2.0 Pro: 39.3 (#108), Qwen3.8 Max: 73.2 (#20)

BenchmarkSeed 2.0 ProQwen3.8 Max
LMArena Math14391499
FrontierMath (Tiers 1-3)—74.7%
FrontierMath Tier 4—46.3%
OTIS Mock AIME 2024-2025—100%
ProofBench—58%

Knowledge Qwen3.8 Max leads

Seed 2.0 Pro: 40.2 (#122), Qwen3.8 Max: 61.7 (#27)

BenchmarkSeed 2.0 ProQwen3.8 Max
LMArena Expert14401507
GPQA Diamond—92.7%
SimpleQA Verified—47.3%

Multimodal Seed 2.0 Pro leads

Seed 2.0 Pro: 41.5 (#35), Qwen3.8 Max: 37.2 (#75)

BenchmarkSeed 2.0 ProQwen3.8 Max
LMArena Vision12741314
Furniture Assembly—20%

Multilingual Qwen3.8 Max leads

Seed 2.0 Pro: 54.5 (#39), Qwen3.8 Max: 56.7 (#18)

BenchmarkSeed 2.0 ProQwen3.8 Max
LMArena Non-English14411472
LMArena Chinese14891538
LMArena French14711503
LMArena German14421483
LMArena Japanese14081467
LMArena Korean14111461
LMArena Russian14491481
LMArena Spanish14601492

Instruction Following Qwen3.8 Max leads

Seed 2.0 Pro: 74.5 (#91), Qwen3.8 Max: 77.6 (#17)

BenchmarkSeed 2.0 ProQwen3.8 Max
LMArena Instruction Following14141479

Long Context Qwen3.8 Max leads

Seed 2.0 Pro: 43.6 (#90), Qwen3.8 Max: 45.6 (#31)

BenchmarkSeed 2.0 ProQwen3.8 Max
LMArena Longer Query14281489

Writing & Preference Qwen3.8 Max leads

Seed 2.0 Pro: 62.9 (#69), Qwen3.8 Max: 67.1 (#30)

BenchmarkSeed 2.0 ProQwen3.8 Max
LMArena Text14481483
LMArena Creative Writing14061479
LMArena Multi-Turn14411489

Frequently asked questions

Is Seed 2.0 Pro better than Qwen3.8 Max?

Qwen3.8 Max is the stronger model overall, scoring 56.8 to 43.2 on the Noometry Index. Seed 2.0 Pro costs 2.7× less per token, which makes it the better buy when Qwen3.8 Max's lead doesn't matter for your workload.

Which is cheaper, Seed 2.0 Pro or Qwen3.8 Max?

Seed 2.0 Pro is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; Qwen3.8 Max lists at $2 and $6.

Is Seed 2.0 Pro or Qwen3.8 Max better for coding?

Qwen3.8 Max scores higher on coding benchmarks: 53.5 versus 43.5 in the Noometry coding category.

Which has the bigger context window?

Qwen3.8 Max does, with 1M tokens against 256K.

How many benchmarks do Seed 2.0 Pro and Qwen3.8 Max share?

19 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Qwen3.8 Max has 39.

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