Model comparison

Gemini 3 Flash Preview vs GLM-4.6

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 41.4 on the Noometry Index.

Last verified . 24 shared benchmarks.

Gemini 3 Flash Preview Google

52.3

Rank #40 Confirmed

GLM-4.6 Z.ai (Zhipu)

41.4

Rank #135 Confirmed

Summary

  • They share 24 benchmarks with published results for both. Gemini 3 Flash Preview scores higher in 9 categories and GLM-4.6 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3 Flash Preview leads 49.2 to 23.7.
  • The biggest single-benchmark swing is Terminal-Bench: 64.3% for Gemini 3 Flash Preview and 24.5% for GLM-4.6.
  • GLM-4.6 is cheaper at $0.60 / $2.20 per million input/output tokens, against $0.50 / $3 for Gemini 3 Flash Preview.
  • Gemini 3 Flash Preview accepts more context: 1.05M tokens versus 205K.
  • GLM-4.6 has downloadable open weights; the other is API-only.

Side by side

Gemini 3 Flash Preview and GLM-4.6 specifications
Gemini 3 Flash PreviewGLM-4.6
ProviderGoogleZ.ai (Zhipu)
Noometry Index52.341.4
Released2025-12-172025-09-30
WeightsProprietaryOpen
Context window1.05M205K
Max output66K131K
Input $ / M tokens$0.50$0.60
Output $ / M tokens$3$2.20
Results tracked5929

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Category by category

Coding Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 50.9 (#42), GLM-4.6: 40.1 (#148)

Coding benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
SWE-bench Verified (bash only)75.8%55.4%
LMArena WebDev14391340
LMArena Coding14601449
ALE-Bench1,367340.82
SWE-bench Verified75.4%—
SWE-bench Multilingual72.7%—
SciCode—38.4%
GSO9.8%—
WeirdML61.6%—

Agentic & Tool Use Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 38.7 (#29), GLM-4.6: 32.3 (#66)

Agentic & Tool Use benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
Terminal-Bench64.3%24.5%
Berkeley Function Calling Leaderboard—72.4%
τ²-bench Airline82.5%—
τ²-bench Banking27.3%—
τ²-bench Retail76.8%—
τ²-bench Telecom91.2%—
DeepResearch Bench49.8%—
BALROG48.1%—
GDP.pdf10%—
LMArena Search1198—
Vending-Bench 23,635—

Reasoning Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 49.2 (#37), GLM-4.6: 23.7 (#172)

Reasoning benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
LMArena Hard Prompts14651440
ARC-AGI-233.6%—
SimpleBench61.1%—
Kagi LLM Benchmark—47.4%
NYT Connections (extended)83.1%—
ARC-AGI-184.7%—
CritPt—1.1%
Chess Puzzles40%—
Mystery Game Puzzles26%—
DTBench89.1%—
LMCA43.1%—
Epoch Capabilities Index151.8—
ForecastBench58.5—

Math Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 51.7 (#55), GLM-4.6: 39.1 (#111)

Knowledge Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 58.8 (#33), GLM-4.6: 40.2 (#124)

Knowledge benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
Vectara Hallucination Rate13.5%9.5%
LMArena Expert14621431
GPQA Diamond89.4%—
SimpleQA Verified66.8%—

Multimodal Not comparable

Gemini 3 Flash Preview: 45.5 (#16), GLM-4.6: —

Multimodal benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
LMArena Vision1285—
GeoBench88%—
VPCT72.6%—
Blueprint-Bench 20%—
LMArena Document1413—

Multilingual Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 55.7 (#27), GLM-4.6: 53.5 (#66)

Multilingual benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
LMArena Non-English14581426
LMArena Chinese15111499
LMArena French14771459
LMArena German14971447
LMArena Japanese14891393
LMArena Korean14431400
LMArena Russian14801419
LMArena Spanish14691436

Instruction Following Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 75.7 (#56), GLM-4.6: 74.3 (#98)

Instruction Following benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
LMArena Instruction Following14371410

Long Context Too close to call

Gemini 3 Flash Preview: 44.4 (#67), GLM-4.6: 43.4 (#94)

Long Context benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
LMArena Longer Query14521422

Writing & Preference Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 65.5 (#45), GLM-4.6: 61.1 (#90)

Writing & Preference benchmarks
BenchmarkGemini 3 Flash PreviewGLM-4.6
LMArena Text14661440
LMArena Creative Writing14571411
LMArena Multi-Turn14711427
EQ-Bench Creative Writing—1411

Frequently asked questions

Is Gemini 3 Flash Preview better than GLM-4.6?

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 41.4 on the Noometry Index.

Which is cheaper, Gemini 3 Flash Preview or GLM-4.6?

GLM-4.6 is cheaper. It lists at $0.60 per million input tokens and $2.20 per million output tokens; Gemini 3 Flash Preview lists at $0.50 and $3.

Is Gemini 3 Flash Preview or GLM-4.6 better for coding?

Gemini 3 Flash Preview scores higher on coding benchmarks: 50.9 versus 40.1 in the Noometry coding category.

Which has the bigger context window?

Gemini 3 Flash Preview does, with 1.05M tokens against 205K.

How many benchmarks do Gemini 3 Flash Preview and GLM-4.6 share?

24 benchmarks have published results for both models. Gemini 3 Flash Preview has 59 scored results on Noometry and GLM-4.6 has 29.

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