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Kimi K3 vs Nvidia Nemotron 3 Nano 30B A3B

Compare Kimi K3 from Moonshot AI and Nvidia Nemotron 3 Nano 30B A3B from Nvidia 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 K3NvidiaNvidia Nemotron 3 Nano 30B A3B
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 /M
Output$15 /M
Cache read$0.3 /M
Nvidia logo
Nvidia Nemotron 3 Nano 30B A3B
Nvidia · → text

Input$0.066 /M
Output$0.264 /M

Pricing & Specifications

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

Kimi K3
Nvidia Nemotron 3 Nano 30B A3B
Input /M
$3
$0.066
Output /M
$15
$0.264
Cache read /M
$0.3
-
Context length
1,048,576
0
Max output
1,048,576
0
Time to First Token
0.9 s
1.0 s
Throughput
73.1 tok/s
109.9 tok/s
Modalities
textimagevideo
Supported Parameters
thinkingfunction callingstructured outputs
API Formats
Released
July 16, 2026
December 15, 2025

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-k3nvidia-nemotron-3-nano-30b-a3b

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

kimi-k3nvidia-nemotron-3-nano-30b-a3b

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
kimi-k3nvidia-nemotron-3-nano-30b-a3b
1220132014201520
Overall
13161486
Coding
13631531
Math
13531353
Hard prompts
13281505
Instruction following
12931479
Multi-turn
12991499
Creative writing
12491470
Longer query
12911502
Chinese
13591527
English
13451491

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.

Nvidia Nemotron 3 Nano 30B A3B
$7.92 /mo
Kimi K3
$405 /mo

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

FAQ

Which is cheaper: Kimi K3, Nvidia Nemotron 3 Nano 30B A3B?

Nvidia Nemotron 3 Nano 30B A3B: $0.264/M output tokens; Kimi K3: $15/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Kimi K3: 1531; Nvidia Nemotron 3 Nano 30B A3B: 1363 (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.

Which one generates tokens faster?

Nvidia Nemotron 3 Nano 30B A3B at 109.9 tok/s and Kimi K3 at 73.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

Can I call Kimi K3 and Nvidia Nemotron 3 Nano 30B A3B 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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