GPT Audio 1.5
OpenAI · text, audio → text
The gpt-audio model is OpenAI's first officially released (generally available) audio model. It supports audio input and output and can be used in Chat Completions.
Input$2.50 /M
Output$10.00 /M
← ModelsGPT Audio 1.5
Kimi K3
GPT Audio 1.5 vs Kimi K3
Output tokens cost $10.00 per million on GPT Audio 1.5 and $15.00 per million on Kimi K3. Input tokens cost $2.50 per million on GPT Audio 1.5 and $3.00 per million on Kimi K3. Cached input tokens are billed at $2.50 per million on GPT Audio 1.5 and $0.30 per million on Kimi K3. Context lengths are 128,000 tokens on GPT Audio 1.5 and 1,048,576 tokens on Kimi K3.
GPT Audio 1.5Kimi K3+ Add model · 2/4
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
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
GPT Audio 1.5
Kimi K3
Input /M
$2.50
$3.00
Output /M
$10.00
$15.00
Cache read /M
$2.50
$0.30
Context length
128,000
1,048,576
Max output
16,384
1,048,576
Time to First Token
-
0.9 s
Throughput
-
73.1 tok/s
Modalities
textaudio
textimagevideo
Supported Parameters
thinkingfunction callingstructured outputs
thinkingfunction callingstructured outputs
API Formats
Released
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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.
gpt-audio-1.5kimi-k3
Tokens / day
-
Requests / day
-
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
gpt-audio-1.5kimi-k3
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.
GPT Audio 1.5
$300 /mo
Kimi K3
$405 /mo
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: GPT Audio 1.5, Kimi K3?
GPT Audio 1.5: $10.00/M output tokens; Kimi K3: $15.00/M. Use the cost calculator above to estimate your own workload.
How large is each context window?
GPT Audio 1.5 accepts 128,000 and Kimi K3 accepts 1,048,576 input tokens. Maximum output per request is 16,384 tokens on GPT Audio 1.5 and 1,048,576 tokens on Kimi K3.
What inputs and capabilities does each model support?
GPT Audio 1.5 accepts text and audio input and supports thinking, function calling and structured outputs; Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs.
Can I call GPT Audio 1.5 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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