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Grok 4.5 vs Xing4.0 29B A4B (free)

Compare Grok 4.5 from Grok and Xing4.0 29B A4B (free) from Xingchen Agi on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

GrokGrok 4.5Xingchen AgiXing4.0 29B A4B (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
Xingchen Agi logo
Xing4.0 29B A4B (free)
Xingchen Agi · text → text

Xing4.0-29B-A4B is an open-weight mixture-of-experts (MoE) language model developed by Xingchen Agi and China Telecom's AI team (TeleAI) as the successor to the TeleChat series. It features a total of 29 billion parameters, with 4 billion active per token, to deliver highly efficient performance. With an expansive context length of 262,144 tokens, this model is well-suited for processing long-form documents and complex tasks.

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
Xing4.0 29B A4B (free)
Input /M
$2
$0
Output /M
$6
$0
Cache read /M
$0.5
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Context length
500,000
0
Max output
500,000
0
Time to First Token
2.7 s
-
Throughput
39.5 tok/s
-
Modalities
textimage
text
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-4.5xing4.0-29b-a4b-free

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

grok-4.5xing4.0-29b-a4b-free

Throughput (tok/s)

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TTFT (s)

-

Uptime (%)

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Cost calculator

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

Xing4.0 29B A4B (free)
$0.00 /mo
Grok 4.5
$210 /mo

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

FAQ

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; Xing4.0 29B A4B (free) accepts text input.

Can I call Grok 4.5 and Xing4.0 29B A4B (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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