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GPT Image 2 vs Kimi K3

Output tokens cost $30.00 per million on GPT Image 2 and $15.00 per million on Kimi K3. Input tokens cost $5.00 per million on GPT Image 2 and $3.00 per million on Kimi K3. Cached input tokens are billed at $5.00 per million on GPT Image 2 and $0.30 per million on Kimi K3.

OpenAIGPT Image 2Moonshot AIKimi K3
+ Add model · 2/4
OpenAI logo
GPT Image 2
OpenAI · text, image → text

GPT-image-2 is OpenAI's latest cutting-edge image generation model. Key value adds include better performance, quality, editing controls, and face preservation. (Currently the model's image generation time may be >5 minutes; it is recommended to set the client timeout to ≥10 minutes.) The model supports high input_fidelity and adding/removing one aspect of the image while retaining others. This model includes improvements in aspect ratio, resolution, and editing capabilities.

Input$5.00 /M
Output$30.00 /M
Details
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$3.00 /M
Output$15.00 /M
Details

Pricing & Specifications

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

GPT Image 2
Kimi K3
Input /M
$5.00
$3.00
Output /M
$30.00
$15.00
Cache read /M
$5.00
$0.30
Context length
0
1,048,576
Max output
0
1,048,576
Time to First Token
-
0.9 s
Throughput
-
73.1 tok/s
Modalities
textimage
textimagevideo
Supported Parameters
thinkingfunction callingstructured outputs
API Formats
Released
-
-

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.

gpt-image-2kimi-k3

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

gpt-image-2kimi-k3

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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Cost calculator

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

Kimi K3
$405 /mo
GPT Image 2
$750 /mo

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

FAQ

Which is cheaper: GPT Image 2, Kimi K3?

Kimi K3: $15.00/M output tokens; GPT Image 2: $30.00/M. Use the cost calculator above to estimate your own workload.

What inputs and capabilities does each model support?

GPT Image 2 accepts text and image input; Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs.

Can I call GPT Image 2 and Kimi K3 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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