Model comparison

Gemini 2.5 Pro vs GLM-4.6V

Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 41.3 on the Noometry Index. GLM-4.6V costs 7.6× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

Last verified . 12 shared benchmarks.

Gemini 2.5 Pro Google

45.0

Rank #75 Confirmed

GLM-4.6V Z.ai (Zhipu)

41.3

Rank #137 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 8 categories and GLM-4.6V in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Gemini 2.5 Pro leads 59.8 to 41.3.
  • GLM-4.6V is cheaper at $0.30 / $0.90 per million input/output tokens, against $1.25 / $10 for Gemini 2.5 Pro.
  • Gemini 2.5 Pro accepts more context: 1.05M tokens versus 128K.
  • GLM-4.6V has downloadable open weights; the other is API-only.

Side by side

Gemini 2.5 Pro and GLM-4.6V specifications
Gemini 2.5 ProGLM-4.6V
ProviderGoogleZ.ai (Zhipu)
Noometry Index45.041.3
Released2025-03-252025-12-08
WeightsProprietaryOpen
Context window1.05M128K
Max output66K33K
Input $ / M tokens$1.25$0.30
Output $ / M tokens$10$0.90
Results tracked7812

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Category by category

Coding Gemini 2.5 Pro leads

Gemini 2.5 Pro: 42.4 (#101), GLM-4.6V: 40.9 (#128)

Coding benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
LMArena Coding14521390
SWE-bench Verified57.6%—
SWE-bench Verified (bash only)53.6%—
Aider Polyglot83.1%—
LMArena WebDev1227—
SciCode42.8%—
GSO3.9%—
WeirdML54%—
LiveBench Coding85.9%—
CadEval64%—
ALE-Bench785.52—
AlgoTune1.51—

Agentic & Tool Use Not comparable

Gemini 2.5 Pro: 29.2 (#88), GLM-4.6V: —

Agentic & Tool Use benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
Terminal-Bench32.6%—
GDPval23.3%—
Remote Labor Index0.8%—
TheAgentCompany30.3%—
τ²-bench Banking13.7%—
DeepResearch Bench42.8%—
BALROG43.3%—
LMArena Search1142—
METR Time Horizons55.4%—
Vending-Bench 2573.64—

Reasoning Gemini 2.5 Pro leads

Gemini 2.5 Pro: 28.8 (#99), GLM-4.6V: 27.6 (#115)

Reasoning benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
LMArena Hard Prompts14551368
ARC-AGI-24.9%—
SimpleBench62.4%—
Kagi LLM Benchmark70.3%—
ARC-AGI-141%—
CritPt2%—
Chess Puzzles20%—
EnigmaEval5.6%—
LiveBench Reasoning89.8%—
DTBench82.4%—
LiveBench Data Analysis79.9%—
LMCA34.8%—
Epoch Capabilities Index145.32—
ForecastBench61.3—
LiveBench82.3%—

Math Not comparable

Gemini 2.5 Pro: 32.5 (#213), GLM-4.6V: —

Math benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
FrontierMath (Tiers 1-3)24.6%—
FrontierMath Tier 40%—
OTIS Mock AIME 2024-202584.7%—
Omni-MATH41.6%—
LiveBench Math90.2%—
LMArena Math1450—
MATH Level 595.9%—
FrontierMath (Feb 2025 set)14.1%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Gemini 2.5 Pro leads

Gemini 2.5 Pro: 56.0 (#46), GLM-4.6V: 38.0 (#149)

Knowledge benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
LMArena Expert14521371
GPQA Diamond85.3%—
Humanity's Last Exam21.6%—
MMLU-Pro86.3%—
Confabulations10.6%—
Vectara Hallucination Rate7%—
GPQA (HELM)74.9%—

Multimodal Gemini 2.5 Pro leads

Gemini 2.5 Pro: 45.2 (#18), GLM-4.6V: 34.8 (#90)

Multimodal benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
LMArena Vision12631164
GeoBench86%—
VPCT48%—
LMArena Document1421—
SpatialViz-Bench44.7%—

Multilingual Gemini 2.5 Pro leads

Gemini 2.5 Pro: 55.3 (#31), GLM-4.6V: 48.6 (#141)

Multilingual benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
LMArena Non-English14511359
LMArena Chinese15071425
LMArena Russian14611340
LMArena French1472—
LMArena German1487—
LMArena Japanese1461—
LMArena Korean1434—
LMArena Spanish1473—

Instruction Following Gemini 2.5 Pro leads

Gemini 2.5 Pro: 75.0 (#75), GLM-4.6V: 71.4 (#151)

Instruction Following benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
LMArena Instruction Following14371352
LiveBench Instruction Following80.6%—
IFEval84%—

Long Context Gemini 2.5 Pro leads

Gemini 2.5 Pro: 59.8 (#5), GLM-4.6V: 41.3 (#143)

Long Context benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
LMArena Longer Query14491358
Fiction.LiveBench91.7%—

Writing & Preference Gemini 2.5 Pro leads

Gemini 2.5 Pro: 63.7 (#62), GLM-4.6V: 56.6 (#137)

Writing & Preference benchmarks
BenchmarkGemini 2.5 ProGLM-4.6V
LMArena Text14581377
LMArena Creative Writing14541347
LMArena Multi-Turn14531360
Short-Story Creative Writing83.8%—
EQ-Bench Creative Writing1421—
WildBench85.7%—
LiveBench Language67.8%—

Frequently asked questions

Is Gemini 2.5 Pro better than GLM-4.6V?

Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 41.3 on the Noometry Index. GLM-4.6V costs 7.6× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

Which is cheaper, Gemini 2.5 Pro or GLM-4.6V?

GLM-4.6V is cheaper. It lists at $0.30 per million input tokens and $0.90 per million output tokens; Gemini 2.5 Pro lists at $1.25 and $10.

Is Gemini 2.5 Pro or GLM-4.6V better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.4 versus 40.9 in the Noometry coding category.

Which has the bigger context window?

Gemini 2.5 Pro does, with 1.05M tokens against 128K.

How many benchmarks do Gemini 2.5 Pro and GLM-4.6V share?

12 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and GLM-4.6V has 12.

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