Noometry

Model comparison

Gemini 3.1 Pro Preview vs GLM-4.5V

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 39.8 on the Noometry Index. GLM-4.5V costs 5.0× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.

Last verified . 14 shared benchmarks.

Gemini 3.1 Pro Preview Google

56.7

Rank #23 Confirmed

GLM-4.5V Z.ai (Zhipu)

39.8

Rank #158 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 9 categories and GLM-4.5V in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 27.4.
  • GLM-4.5V is cheaper at $0.60 / $1.80 per million input/output tokens, against $2 / $12 for Gemini 3.1 Pro Preview.
  • Gemini 3.1 Pro Preview accepts more context: 1.05M tokens versus 64K.
  • GLM-4.5V has downloadable open weights; the other is API-only.

Side by side

Gemini 3.1 Pro PreviewGLM-4.5V
ProviderGoogleZ.ai (Zhipu)
Noometry Index56.739.8
Released2026-02-192025-08-11
WeightsProprietaryOpen
Context window1.05M64K
Max output66K16K
Input $ / M tokens$2$0.60
Output $ / M tokens$12$1.80
Results tracked7115

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Category by category

Coding Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 42.5 (#99), GLM-4.5V: 39.5 (#155)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Coding14841347
SWE-bench Verified75.6%—
DeepSWE11.7%—
LMArena WebDev1447—
SciCode58.9%—
GSO22.6%—
WeirdML72.1%—
MirrorCode8.9%—
ALE-Bench1,161—
AlgoTune2.02—

Agentic & Tool Use Not comparable

Gemini 3.1 Pro Preview: 37.7 (#34), GLM-4.5V: —

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
Terminal-Bench80.2%—
APEX-Agents35.3%—
τ²-bench Banking26%—
DeepResearch Bench47.8%—
PostTrainBench22%—
BALROG57%—
ExploitBench26.1%—
GBAEval0.8%—
GDP.pdf17%—
LMArena Search1211—
METR Time Horizons77%—
Vending-Bench 23,774—

Reasoning Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.7 (#12), GLM-4.5V: 27.4 (#119)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Hard Prompts14851334
ARC-AGI-277.1%—
SimpleBench79.6%—
Kagi LLM Benchmark—59.8%
NYT Connections (extended)97.4%—
ARC-AGI-198%—
CritPt17.7%—
Chess Puzzles55%—
EnigmaEval36.8%—
Thematic Generalization79.4%—
EBR-Bench14.3%—
Mystery Game Puzzles34%—
DTBench97.1%—
LMCA53.8%—
Epoch Capabilities Index154.77—
ForecastBench59—

Math Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 62.1 (#34), GLM-4.5V: 37.4 (#159)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Math14851354
FrontierMath (Tiers 1-3)59.6%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions86.5%—
OTIS Mock AIME 2024-202595.6%—
ProofBench26%—
FrontierMath (Feb 2025 set)36.9%—
FrontierMath Tier 4 (v1)16.7%—

Knowledge Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.8 (#3), GLM-4.5V: 37.5 (#156)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Expert14851353
GPQA Diamond94.4%—
Humanity's Last Exam46.4%—
SimpleQA Verified73.5%—
Vectara Hallucination Rate10.4%—

Multimodal Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 37.9 (#69), GLM-4.5V: 34.3 (#92)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Vision12961154
Blueprint-Bench 226.5%—
Furniture Assembly26.7%—
LMArena Document1444—

Multilingual Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 57.0 (#12), GLM-4.5V: 44.6 (#177)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Non-English14771303
LMArena Chinese15291337
LMArena Russian14981298
LMArena Spanish14791336
LMArena French1487—
LMArena German1491—
LMArena Japanese1493—
LMArena Korean1455—

Instruction Following Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 77.0 (#32), GLM-4.5V: 69.2 (#175)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Instruction Following14661311

Long Context Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 47.4 (#18), GLM-4.5V: 39.6 (#171)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Longer Query14831304
CL-bench20.8%—
CL-bench Life16.9%—

Writing & Preference Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 66.1 (#37), GLM-4.5V: 52.5 (#170)

BenchmarkGemini 3.1 Pro PreviewGLM-4.5V
LMArena Text14811333
LMArena Creative Writing14821295
LMArena Multi-Turn14881332
EQ-Bench Creative Writing1491—
EQ-Bench 41142—

Frequently asked questions

Is Gemini 3.1 Pro Preview better than GLM-4.5V?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 39.8 on the Noometry Index. GLM-4.5V costs 5.0× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.1 Pro Preview or GLM-4.5V?

GLM-4.5V is cheaper. It lists at $0.60 per million input tokens and $1.80 per million output tokens; Gemini 3.1 Pro Preview lists at $2 and $12.

Is Gemini 3.1 Pro Preview or GLM-4.5V better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.5 versus 39.5 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.1 Pro Preview does, with 1.05M tokens against 64K.

How many benchmarks do Gemini 3.1 Pro Preview and GLM-4.5V share?

14 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and GLM-4.5V has 15.

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