Models

Kimi K3 vs O1 Pro

Compare Kimi K3 from Moonshot AI and O1 Pro from OpenAI 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 K3OpenAIO1 Pro
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
OpenAI logo
O1 Pro
OpenAI · text → text

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide consistently better answers.

Input$170.00 /M
Output$680.00 /M

Pricing & Specifications

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

Kimi K3
O1 Pro
Input /M
$3.00
$170.00
Output /M
$15.00
$680.00
Cache read /M
$0.30
$170.00
Context length
1,048,576
NaN
Max output
1,048,576
0
Time to First Token
0.9 s
96.0 s
Throughput
73.1 tok/s
19.0 tok/s
Modalities
textimagevideo
text
Supported Parameters
thinkingfunction callingstructured outputs
thinking
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.

kimi-k3o1-pro

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

kimi-k3o1-pro

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

Cost calculator

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

Kimi K3
$405 /mo
O1 Pro
$20,400 /mo

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

FAQ

Which is cheaper: Kimi K3, O1 Pro?

Kimi K3: $15.00/M output tokens; O1 Pro: $680.00/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Kimi K3: 0.9s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

Which one generates tokens faster?

Kimi K3 at 73.1 tok/s and O1 Pro at 19.0 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs; O1 Pro accepts text input and supports thinking.

Can I call Kimi K3 and O1 Pro 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.

Popular comparisons

Related model match-ups readers also look at.