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Model comparison

Gemini 3.1 Pro vs GLM-4.5-Air

Data verified

Head-to-head evidence from 12 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

55.3/100
Margin
7.6pts
← winning
47.7/100
0 category wins0 category wins

Public leaderboard positions: Gemini 3.1 Pro #83 (Estimated); GLM-4.5-Air #133 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Gemini 3.1 Pro and GLM-4.5-Air share 12 comparable benchmark results. 0 of 8 categories are comparable. 35 results are unique to Gemini 3.1 Pro; 0 to GLM-4.5-Air.

Updated July 20, 2026
Shared results
12
Gemini 3.1 Pro only
35
GLM-4.5-Air only
0
Comparable categories
0 / 8

Benchmark data for Gemini 3.1 Pro and GLM-4.5-Air is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 12 shared benchmark results across 6 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.

Gemini 3.1 Pro is priced at $2.00 input / $12.00 output per 1M tokens, versus $0.20 input / $1.10 output per 1M tokens for GLM-4.5-Air. Gemini 3.1 Pro has the larger context window at 1M, compared with 128K for GLM-4.5-Air.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Gemini 3.1 Pro and GLM-4.5-Air
CategoryGemini 3.1 ProΔGLM-4.5-Air
ReasoningGemini 3.1 Pro77.1MarginNo overlapGLM-4.5-AirNot measured
MathGemini 3.1 Pro31.8MarginNo overlapGLM-4.5-AirNot measured
MultimodalGemini 3.1 Pro82.6MarginNo overlapGLM-4.5-AirNot measured

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricGemini 3.1 ProGLM-4.5-AirComparison
Input / output priceUSD per 1M tokensGemini 3.1 Pro$2 input / $12 outputGLM-4.5-Air$0.2 input / $1.1 outputGLM-4.5-Air has the lower combined listed price.
Generation speedtokens per secondGemini 3.1 Pro109 tok/sGLM-4.5-Air106 tok/sGemini 3.1 Pro has the higher measured throughput.
First-answer latencyseconds to first tokenGemini 3.1 Pro29.71 sGLM-4.5-Air1.18 sGLM-4.5-Air reaches the first token sooner.
Context windowmaximum listed tokensGemini 3.1 Pro1MGLM-4.5-Air128KGemini 3.1 Pro lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGemini 3.1 ProGLM-4.5-AirResult
Claw-EvalSource 57.8%—Not comparable
DeepSearchQASource 69.7%—Not comparable
τ²-bench resultsSource 95.6%46.5%Gemini 3.1 Pro leads
AA Agentic IndexSource 21.4%—Not comparable
APEX-Agents-AASource 32.0%—Not comparable
GDPval-AASource 23.2%—Not comparable
GDPval-AASource 965—Not comparable
Gert LabsSource 56.87%—Not comparable
ResearchClawBenchSource 13.3%—Not comparable
AA AutomationBenchSource 37.5%—Not comparable
AA EnterpriseOps-GymSource 42.2%—Not comparable
AA Harvey LABSource 0.0%—Not comparable
AA ITBenchSource 30.3%—Not comparable
AA Tau3 BankingSource 16.5%—Not comparable
terminalBenchHardSource 53.8%—Not comparable
aaTerminalBench21Source 73.8%—Not comparable
Coding
BenchmarkGemini 3.1 ProGLM-4.5-AirResult
LiveCodeBench ProSource 82.9%—Not comparable
React Native EvalsSource 78.9%—Not comparable
Vibe Code BenchSource 32.03%—Not comparable
AA Coding IndexSource 68.8%—Not comparable
AA-SciCodeSource 58.9%30.6%Gemini 3.1 Pro leads
Reasoning
BenchmarkGemini 3.1 ProGLM-4.5-AirResult
ARC-AGI-2Source 77.1%—Not comparable
AA-LCRSource 72.7%43.7%Gemini 3.1 Pro leads
CritPtSource 17.7%0.0%Gemini 3.1 Pro leads
Knowledge
BenchmarkGemini 3.1 ProGLM-4.5-AirResult
GPQA-DSource 94.3%—Not comparable
HLE w/o toolsSource 45.4%—Not comparable
HealthBench HardSource 20.6%—Not comparable
MedXpertQA (Text)Source 71.5%—Not comparable
Artificial Analysis Intelligence IndexSource 46.5%16.5%Gemini 3.1 Pro leads
AA-GPQA DiamondSource 94.1%73.3%Gemini 3.1 Pro leads
AA-HLESource 44.7%6.8%Gemini 3.1 Pro leads
AA-Omniscience IndexSource 32.9%-62.5%Gemini 3.1 Pro leads
AA-Omniscience AccuracySource 55.3%15.5%Gemini 3.1 Pro leads
AA-Omniscience Hallucination RateSource 49.9%92.3%Gemini 3.1 Pro leads
Math
BenchmarkGemini 3.1 ProGLM-4.5-AirResult
FrontierMath v2 (Tiers 1-3)Source 36.900%—Not comparable
FrontierMath v2 (Tier 4)Source 16.700%—Not comparable
Multilingual
BenchmarkGemini 3.1 ProGLM-4.5-AirResult
AA Global-MMLU-LiteSource 93.2%—Not comparable
Multimodal
BenchmarkGemini 3.1 ProGLM-4.5-AirResult
MMMU-ProSource 83.9%—Not comparable
CharXivSource 80.2%—Not comparable
ERQASource 69.4%—Not comparable
SimpleVQASource 72.4%—Not comparable
ScreenSpot ProSource 84.4%—Not comparable
ZeroBenchSource 29.0%—Not comparable
MedXpertQA (MM)Source 81.3%—Not comparable
AA-MMMU-ProSource 82.4%—Not comparable
Design Arena WebsiteSource 12841179Gemini 3.1 Pro leads
Inst. Following
BenchmarkGemini 3.1 ProGLM-4.5-AirResult
AA-IFBenchSource 77.1%37.6%Gemini 3.1 Pro leads
Frequently Asked Questions (3)

Can I compare Gemini 3.1 Pro and GLM-4.5-Air on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Gemini 3.1 Pro and GLM-4.5-Air today?

Gemini 3.1 Pro: $2.00 input / $12.00 output per 1M tokens GLM-4.5-Air: $0.20 input / $1.10 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

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Last updated: July 20, 2026

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