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GLM 5.2 vs Grok 3 Mini Fast Beta

Compare GLM 5.2 from Z.AI and Grok 3 Mini Fast Beta 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 5.2GrokGrok 3 Mini Fast Beta
Z.AI logo
GLM 5.2
Z.AI · text → text

GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.

Input$1.1268 /M
Output$3.9438 /M
Cache read$0.2817 /M
Grok logo
Grok 3 Mini Fast Beta
Grok · → text

Input$0.33 /M
Output$2.2001 /M

Pricing & Specifications

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

GLM 5.2
Grok 3 Mini Fast Beta
Input /M
$1.1268
$0.33
Output /M
$3.9438
$2.2001
Cache read /M
$0.2817
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Context length
1,000,000
0
Max output
131,072
0
Time to First Token
0.7 s
-
Throughput
37.0 tok/s
-
Modalities
text
Supported Parameters
thinkingtoolsfunction callingstructured outputs
API Formats
chat_completions · claude_api
Released
June 16, 2026
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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-5.2grok-3-mini-fast-beta

Tokens / day

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Requests / day

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Performance Past 3 Days

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

glm-5.2grok-3-mini-fast-beta

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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LMArena Benchmarks

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

Text
glm-5.2grok-3-mini-fast-beta
13001360142014801540
Overall
13621472
Coding
13901509
Math
13881476
Hard prompts
13771492
Instruction following
13621465
Multi-turn
13481469
Creative writing
13291451
Longer query
13781482
Chinese
13841517
English
13741480

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.

Grok 3 Mini Fast Beta
$52.80 /mo
GLM 5.2
$127 /mo

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

FAQ

Which is cheaper: GLM 5.2, Grok 3 Mini Fast Beta?

Grok 3 Mini Fast Beta: $2.2001/M output tokens; GLM 5.2: $3.9438/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

GLM 5.2: 1509; Grok 3 Mini Fast Beta: 1390 (LMArena coding leaderboard).

Can I call GLM 5.2 and Grok 3 Mini Fast Beta 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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