The Known Good Updated 8 Sep 2026 Subscribe
Google: Gemini 2.5 Pro vs Z.ai: GLM 4.7 ·Google vs Z.ai

Google: Gemini 2.5 Pro vs Z.ai: GLM 4.7 — head-to-head comparison

Google: Gemini 2.5 Pro profile Z.ai: GLM 4.7 profile All comparisons
Google: Gemini 2.5 Pro — Google
Quality
#38 of 65
65based on 4 of 7 evaluations
Known Good Index
Speed
#48 of 341
101.9
Output tokens per second
Price
#352 of 450
$3.44
Blended per 1M tokens
In $1.25 · Out $10.00
Cache hit price
#196 of 344
$0.12
per 1M tokens (−90%)
Context
#91 of 487
1.05M
tokens (~1,600 pages)
Z.ai: GLM 4.7 — Z.ai
Quality
#30 of 65
69based on 3 of 7 evaluations
Known Good Index
Speed
#265 of 341
30.3
Output tokens per second
Price
#199 of 450
$0.74
Blended per 1M tokens
In $0.40 · Out $1.75
Cache hit price
#162 of 344
$0.080
per 1M tokens (−80%)
Context
#305 of 487
205k
tokens (~300 pages)
Summary

On the Known Good Index, Google: Gemini 2.5 Pro scores 65 and Z.ai: GLM 4.7 scores 69 — a 4-point lead for Z.ai: GLM 4.7. They share 3 published evaluations, with Google: Gemini 2.5 Pro ahead on 2 and Z.ai: GLM 4.7 ahead on 1.

Blended pricing is $3.44 per 1M tokens for Google: Gemini 2.5 Pro and $0.74 for Z.ai: GLM 4.7 — Z.ai: GLM 4.7 is about 4.7× cheaper.

Throughput is 102 tokens per second for Google: Gemini 2.5 Pro and 30 for Z.ai: GLM 4.7, with time to first token at 9.1s and 2.5s. Google: Gemini 2.5 Pro accepts 1.05M tokens of context against 205k.

Google: Gemini 2.5 Pro is proprietary; Z.ai: GLM 4.7 is open weights under Open weights (unrestricted). 11 tracked hosts serve one or both, and 1 serve both.

Generated from tracked data on 9 Sep 2026 · how these comparisons are computed →

At a glance
MetricGoogle: Gemini 2.5 ProZ.ai: GLM 4.7
Known Good Index 65 based on 4 of 7 evaluations 69 based on 3 of 7 evaluations
Blended $/1M $3.44 $0.74
Output tok/s 102 30
Context window 1.05M 205k
Providers 2 10
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Quality

Known Good Index and the capability indices, side by side

Index scores

Each index is min-max normalised across tracked models and scaled 0–100 from published evaluations. We do not run these evaluations.

MetricGoogle: Gemini 2.5 ProZ.ai: GLM 4.7
Known Good Index 65 69
Coding Index 43
Openness Index 5 60
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = Google: Gemini 2.5 Pro · marker = Z.ai: GLM 4.7 · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond85 / 83
Mock AIME 2024–2584 / 83
Terminal-Bench33 / 33

Right-hand figures read Google: Gemini 2.5 Pro / Z.ai: GLM 4.7. Google: Gemini 2.5 Pro leads on 2 of 3, Z.ai: GLM 4.7 on 1.

The Known Good

Arena Elo

Human preference rating from blind pairwise votes

Arena ratings

Elo from blind pairwise votes, ingested from Arena. Higher is better.

MetricGoogle: Gemini 2.5 ProZ.ai: GLM 4.7
Text Arena 1,458 1,436
Text Arena (style controlled) 1,446 1,442
The Known Good

Price & Cost

Published API pricing by token type

Published pricing

USD per 1M tokens. Blended is a 3:1 input:output mix. Live from OpenRouter, cross-checked against models.dev. Lower is better.

MetricGoogle: Gemini 2.5 ProZ.ai: GLM 4.7
Input $/1M $1.25 $0.40
Output $/1M $10.00 $1.75
Blended $/1M $3.44 $0.74
Cache read $/1M $0.125 $0.080
The Known Good
We publish blended price rather than cost-per-task. Cost-per-task requires token counts from an evaluation suite we do not run. Blended price is computed from published rates and is fully reproducible — see the pricing methodology.

Context Window

Maximum input accepted and maximum output emitted

Context and output limits

Provider-declared limits, from metadata via models.dev and OpenRouter. Higher is better.

MetricGoogle: Gemini 2.5 ProZ.ai: GLM 4.7
Context window 1.05M 205k
Max output tokens 66k 131k
The Known Good

Speed & Latency

Mean throughput and time to first token across hosting providers, over successful measurements from the last 48 hours

Throughput and latency

Means across all tracked providers over successful measurements from the last 48 hours, derived from OpenRouter endpoint telemetry.

MetricGoogle: Gemini 2.5 ProZ.ai: GLM 4.7
Output tokens/s 102 30
Time to first token 9.1s 2.5s
The Known Good

Providers

Which hosts serve each model, and at what price and speed

11 hosts · 1 serve both
Full provider benchmarks →
Provider Google: Gemini 2.5 Pro blendedGoogle: Gemini 2.5 Pro tok/s Z.ai: GLM 4.7 blendedZ.ai: GLM 4.7 tok/s
Google AI Studio $1.72 113
Google · first party $3.44 112 $1.00 52
Cerebras $2.38 252
AtlasCloud $0.85 43
StreamLake $0.80 34
Phala $1.46 31
Z.AI · first party $1.00 25
Novita $0.90 23
DeepInfra $0.74 11
Venice $1.07 11
Mancer 2 $1.15 10

Per-host pricing and telemetry from OpenRouter. A dash means that host does not serve that model.

The Known Good
Sources for this page
Pricing & providers — OpenRouter Metadata — models.dev Benchmarks — Epoch AI (CC-BY 4.0)Elo — Arena Full attribution →