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Grok 4.5 vs Qwen3.8 Max (free)

Compare Grok 4.5 from Grok and Qwen3.8 Max (free) from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

GrokGrok 4.5QwenQwen3.8 Max (free)
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 /M
Output$6 /M
Cache read$0.5 /M
Qwen logo
Qwen3.8 Max (free)
Qwen · text, image, video → text

Qwen3.8 Max is available for free on AIHubMix as part of GMI Cloud’s promotional campaign. The offer lasts for 30 days from launch or until the campaign credits are exhausted, whichever comes first.

Input$0 /M
Output$0 /M

Pricing & Specifications

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

Grok 4.5
Qwen3.8 Max (free)
Input /M
$2
$0
Output /M
$6
$0
Cache read /M
$0.5
-
Context length
500,000
1,000,000
Max output
500,000
131,072
Time to First Token
1.6 s
-
Throughput
17.6 tok/s
-
Modalities
textimage
textimagevideo
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
July 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.

grok-4.5qwen3.8-max-free

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

grok-4.5qwen3.8-max-free

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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Cost calculator

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

Qwen3.8 Max (free)
$0.00 /mo
Grok 4.5
$210 /mo

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

FAQ

How large is each context window?

Grok 4.5 accepts 500,000 and Qwen3.8 Max (free) accepts 1,000,000 input tokens. Maximum output per request is 500,000 tokens on Grok 4.5 and 131,072 tokens on Qwen3.8 Max (free).

What inputs and capabilities does each model support?

Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; Qwen3.8 Max (free) accepts text, image and video input.

Can I call Grok 4.5 and Qwen3.8 Max (free) 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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