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
← ModelsKimi K3
O1
Kimi K3 vs O1
Compare Kimi K3 from Moonshot AI and O1 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.
Kimi K3O1+ Add model · 2/4
O1
OpenAI · text → text
OpenAI's most powerful O-series model supports official cache hits that halve the input cost.
Input$15.00 /M
Output$60.00 /M
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Kimi K3
O1
Input /M
$3.00
$15.00
Output /M
$15.00
$60.00
Cache read /M
$0.30
$7.50
Context length
1,048,576
200
Max output
1,048,576
0
Time to First Token
0.9 s
9.4 s
Throughput
73.1 tok/s
39.0 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
Tokens / day
-
Requests / day
-
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
kimi-k3o1
Throughput (tok/s)
-
TTFT (s)
-
Uptime (%)
-
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
Text
kimi-k3o1
1360142014801540
Overall
14021486
Coding
14331531
Math
14091409
Hard prompts
14181505
Instruction following
14071479
Multi-turn
13861499
Creative writing
13811470
Longer query
14121502
Chinese
14301527
English
14121491
Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.
Cost calculator
Estimate your monthly bill for the same workload on each model.
Kimi K3
$405 /mo
O1
$1,800 /mo
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: Kimi K3, O1?
Kimi K3: $15.00/M output tokens; O1: $60.00/M. Use the cost calculator above to estimate your own workload.
How do their coding arena scores compare?
Kimi K3: 1531; O1: 1433 (LMArena coding leaderboard).
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.
How large is each context window?
Kimi K3 accepts 1,048,576 and O1 accepts 200 input tokens.
Which one generates tokens faster?
Kimi K3 at 73.1 tok/s and O1 at 39.0 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 accepts text input and supports thinking.
Can I call Kimi K3 and O1 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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