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Kimi K3 vs Xing4.0 29B A4B (free)

Compare Kimi K3 from Moonshot AI 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.

Moonshot AIKimi K3Xingchen AgiXing4.0 29B A4B (free)
Moonshot AI logo
Kimi K3
Moonshot AI · text, image, video → text

Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.

Input$2.84 /M
Output$14.2 /M
Cache read$0.284 /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.

Kimi K3
Xing4.0 29B A4B (free)
Input /M
$2.84
$0
Output /M
$14.2
$0
Cache read /M
$0.284
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Context length
1,048,576
0
Max output
1,048,576
0
Time to First Token
0.6 s
-
Throughput
73.1 tok/s
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Modalities
textimagevideo
text
Supported Parameters
thinkingfunction callingstructured outputs
API Formats
Released
July 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.

kimi-k3xing4.0-29b-a4b-free

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.

kimi-k3xing4.0-29b-a4b-free

Throughput (tok/s)

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TTFT (s)

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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
Kimi K3
$383 /mo

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

FAQ

What inputs and capabilities does each model support?

Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs; Xing4.0 29B A4B (free) accepts text input.

Can I call Kimi K3 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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