Noometry

Model comparison

Gemini 3.8 Flash vs Hy3

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 44.2 on the Noometry Index. Hy3 costs 10× less per token, which makes it the better buy when Gemini 3.8 Flash's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

Gemini 3.8 Flash Google

61.8

Rank #11 Confirmed

Hy3 Tencent

44.2

Rank #79 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Gemini 3.8 Flash scores higher in 8 categories and Hy3 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.8 Flash leads 76.9 to 26.1.
  • The biggest single-benchmark swing is NYT Connections (extended): 97.4% for Gemini 3.8 Flash and 41.2% for Hy3.
  • Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $0.75 / $3.75 for Gemini 3.8 Flash.
  • Gemini 3.8 Flash accepts more context: 1.05M tokens versus 262K.
  • Hy3 has downloadable open weights; the other is API-only.

Side by side

Gemini 3.8 FlashHy3
ProviderGoogleTencent
Noometry Index61.844.2
Released2026-09-022026-07-06
WeightsProprietaryOpen
Context window1.05M262K
Max output66K128K
Input $ / M tokens$0.75$0.0825
Output $ / M tokens$3.75$0.33
Results tracked5019

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Category by category

Coding Gemini 3.8 Flash leads

Gemini 3.8 Flash: 59.2 (#15), Hy3: 46.8 (#63)

BenchmarkGemini 3.8 FlashHy3
LMArena WebDev15841508
LMArena Coding15101464
DeepSWE73.8%—
FrontierCode41.2%—
CursorBench39.6%—
FrontierSWE19.6%—
SciCode56.6%—
WeirdML84.8%—
ALE-Bench1,270—

Agentic & Tool Use Not comparable

Gemini 3.8 Flash: 41.8 (#21), Hy3: —

BenchmarkGemini 3.8 FlashHy3
APEX-Agents64.3%—
Remote Labor Index5.8%—
GDP.pdf23.4%—
Vending-Bench 25,094—

Reasoning Gemini 3.8 Flash leads

Gemini 3.8 Flash: 76.9 (#5), Hy3: 26.1 (#136)

BenchmarkGemini 3.8 FlashHy3
NYT Connections (extended)97.4%41.2%
LMArena Hard Prompts15081447
ARC-AGI-289.2%—
ARC-AGI-198.5%—
CritPt18.3%—
Chess Puzzles61%—
Mystery Game Puzzles47%—
DTBench95.7%—
LMCA52.9%—
Surface Evolver Bench76.9%—
Epoch Capabilities Index156.71—

Math Gemini 3.8 Flash leads

Gemini 3.8 Flash: 65.3 (#28), Hy3: 40.1 (#93)

BenchmarkGemini 3.8 FlashHy3
LMArena Math15281475
FrontierMath (Tiers 1-3)68.4%—
FrontierMath Tier 422%—
OTIS Mock AIME 2024-202598.9%—
ProofBench48%—

Knowledge Gemini 3.8 Flash leads

Gemini 3.8 Flash: 74.8 (#2), Hy3: 40.8 (#114)

BenchmarkGemini 3.8 FlashHy3
LMArena Expert15241460
GPQA Diamond95.4%—
Humanity's Last Exam44.5%—
SimpleQA Verified69.7%—

Multimodal Not comparable

Gemini 3.8 Flash: 40.7 (#45), Hy3: —

BenchmarkGemini 3.8 FlashHy3
LMArena Vision1314—
Blueprint-Bench 238.6%—
Furniture Assembly31.7%—

Multilingual Gemini 3.8 Flash leads

Gemini 3.8 Flash: 58.0 (#5), Hy3: 53.5 (#65)

BenchmarkGemini 3.8 FlashHy3
LMArena Non-English14911426
LMArena Chinese15541493
LMArena French14981461
LMArena German14931439
LMArena Japanese15021392
LMArena Korean14591395
LMArena Russian15151432
LMArena Spanish14851456

Instruction Following Gemini 3.8 Flash leads

Gemini 3.8 Flash: 78.0 (#13), Hy3: 75.1 (#70)

BenchmarkGemini 3.8 FlashHy3
LMArena Instruction Following14901426

Long Context Gemini 3.8 Flash leads

Gemini 3.8 Flash: 46.3 (#24), Hy3: 44.1 (#75)

BenchmarkGemini 3.8 FlashHy3
LMArena Longer Query15081442

Writing & Preference Gemini 3.8 Flash leads

Gemini 3.8 Flash: 72.2 (#15), Hy3: 62.2 (#81)

BenchmarkGemini 3.8 FlashHy3
LMArena Text14991439
LMArena Creative Writing14921402
LMArena Multi-Turn15011436
EQ-Bench Creative Writing1748—

Frequently asked questions

Is Gemini 3.8 Flash better than Hy3?

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 44.2 on the Noometry Index. Hy3 costs 10× less per token, which makes it the better buy when Gemini 3.8 Flash's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.8 Flash or Hy3?

Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; Gemini 3.8 Flash lists at $0.75 and $3.75.

Is Gemini 3.8 Flash or Hy3 better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 46.8 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.8 Flash does, with 1.05M tokens against 262K.

How many benchmarks do Gemini 3.8 Flash and Hy3 share?

19 benchmarks have published results for both models. Gemini 3.8 Flash has 50 scored results on Noometry and Hy3 has 19.

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