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GLM 4.5 Vision vs Grok 4.5

Compare GLM 4.5 Vision from Z.AI and Grok 4.5 from Grok on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

Z.AIGLM 4.5 VisionGrokGrok 4.5
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Z.AI logo
GLM 4.5 Vision
Z.AI · text, image, video → text

GLM-4.5V is a vision-language foundational model designed for multimodal agent applications. Based on a mixture-of-experts (MoE) architecture, it has 106 billion parameters and 12 billion active parameters. It delivers outstanding performance in video understanding, image question answering, OCR, and document parsing, and achieves significant improvements in front-end web encoding, basic reasoning, and spatial reasoning.

Input$0.27 /M
Output$0.82 /M
Details
Grok logo
Grok 4.5
Grok · text, image → text

Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.

Input$2.00 /M
Output$6.00 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

GLM 4.5 Vision
Grok 4.5
Input /M
$0.27
$2.00
Output /M
$0.82
$6.00
Cache read /M
$0.27
$0.50
Context length
64,000
500,000
Max output
16,384
500,000
Time to First Token
8.4 s
1.9 s
Throughput
81.2 tok/s
30.7 tok/s
Modalities
textimagevideo
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
-
July 2026

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

glm-4.5vgrok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

glm-4.5vgrok-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
glm-4.5vgrok-4.5
1280136014401520
Overall
13541470
Coding
14041523
Math
13591478
Hard prompts
13761495
Instruction following
13421466
Multi-turn
13591477
Creative writing
13111449
Longer query
13411485
Chinese
13471511
English
13811475
Vision
glm-4.5vgrok-4.5
1140120012601320
Overall
11561282
OCR
11581295
Diagram
11691321
Homework
11701328

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

GLM 4.5 Vision
$28.77 /mo
Grok 4.5
$210 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: GLM 4.5 Vision, Grok 4.5?

GLM 4.5 Vision: $0.82/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; GLM 4.5 Vision: 1404 (LMArena coding leaderboard).

Which responds faster?

Grok 4.5: 1.9s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

GLM 4.5 Vision accepts 64,000 and Grok 4.5 accepts 500,000 input tokens. Maximum output per request is 16,384 tokens on GLM 4.5 Vision and 500,000 tokens on Grok 4.5.

Which one generates tokens faster?

GLM 4.5 Vision at 81.2 tok/s and Grok 4.5 at 30.7 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

GLM 4.5 Vision accepts text, image and video input; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call GLM 4.5 Vision and Grok 4.5 with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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