Models

GLM 4.7 Flash (free) vs Grok 4.5

Compare GLM 4.7 Flash (free) 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 4.7 Flash (free)GrokGrok 4.5
Z.AI logo
GLM 4.7 Flash (free)
Z.AI · text → text

The glm-4.7-flash free model has usage restrictions to ensure stable service operation: a maximum of 5 requests per minute, no more than 500 requests per day, and a daily usage quota of 1 million tokens.

Input$0.00 /M
Output$0.00 /M
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

Pricing & Specifications

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

GLM 4.7 Flash (free)
Grok 4.5
Input /M
$0.00
$2.00
Output /M
$0.00
$6.00
Cache read /M
$0.00
$0.50
Context length
0
500,000
Max output
0
500,000
Time to First Token
-
2.8 s
Throughput
-
32.4 tok/s
Modalities
text
textimage
Supported Parameters
thinkingtoolsstructured outputsfunction calling
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-4.7-flash-freegrok-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-4.7-flash-freegrok-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

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

Text
glm-4.7-flash-freegrok-4.5
1280136014401520
Overall
13681470
Coding
14231523
Math
13661478
Hard prompts
13871495
Instruction following
13511466
Multi-turn
13631477
Creative writing
13121449
Longer query
13731485
Chinese
14341511
English
13951475

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 4.7 Flash (free)
$0.00 /mo
Grok 4.5
$210 /mo

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

FAQ

How do their coding arena scores compare?

Grok 4.5: 1523; GLM 4.7 Flash (free): 1423 (LMArena coding leaderboard).

What inputs and capabilities does each model support?

GLM 4.7 Flash (free) accepts text input and supports thinking, tool calling, structured outputs and function calling; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call GLM 4.7 Flash (free) 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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