Model Comparison
Kimi K3 vs Nemotron 3 Super (120B A12B)Which is better in 2026?
Kimi K3 significantly outperforms across most benchmarks. Nemotron 3 Super (120B A12B) is 30.0x cheaper per token.
Verdict: Kimi K3 vs Nemotron 3 Super (120B A12B) — which is better?
Kimi K3 (by Moonshot AI) and Nemotron 3 Super (120B A12B) (by NVIDIA) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Kimi K3 outperforms in 3 benchmarks (BrowseComp, GPQA, Humanity's Last Exam), while Nemotron 3 Super (120B A12B) is better at 0 benchmarks. Kimi K3 significantly outperforms across most benchmarks.
On price, Nemotron 3 Super (120B A12B) is roughly 30.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Kimi K3 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Choose Kimi K3 if…
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Jul 2026
Choose Nemotron 3 Super (120B A12B) if…
- cost matters — it's about 30.0x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Kimi K3 outperforms in 3 benchmarks (BrowseComp, GPQA, Humanity's Last Exam), while Nemotron 3 Super (120B A12B) is better at 0 benchmarks.
Kimi K3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Kimi K3 ($3.00/1M tokens) is 30.0x more expensive than Nemotron 3 Super (120B A12B) ($0.10/1M tokens).
For output processing, Kimi K3 ($15.00/1M tokens) is 30.0x more expensive than Nemotron 3 Super (120B A12B) ($0.50/1M tokens).
In conclusion, Kimi K3 is more expensive than Nemotron 3 Super (120B A12B).*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Kimi K3 has 2680.0B more parameters than Nemotron 3 Super (120B A12B), making it 2233.3% larger.
Context Window
Maximum input and output token capacity
Kimi K3 accepts 1,048,576 input tokens compared to Nemotron 3 Super (120B A12B)'s 262,144 tokens. Kimi K3 can generate longer responses up to 1,048,576 tokens, while Nemotron 3 Super (120B A12B) is limited to 262,144 tokens.
Input Capabilities
Supported data types and modalities
Kimi K3 supports multimodal inputs, whereas Nemotron 3 Super (120B A12B) does not.
Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Kimi K3
Nemotron 3 Super (120B A12B)
Release Timeline
When each model was launched
Kimi K3 was released on 2026-07-16, while Nemotron 3 Super (120B A12B) was released on 2026-03-11.
Kimi K3 is 4 months newer than Nemotron 3 Super (120B A12B).
Jul 16, 2026
5 days ago
4mo newerMar 11, 2026
4 months ago
Knowledge Cutoff
When training data ends
Nemotron 3 Super (120B A12B) has a documented knowledge cutoff of 2025-06-01, while Kimi K3's cutoff date is not specified.
We can confirm Nemotron 3 Super (120B A12B)'s training data extends to 2025-06-01, but cannot make a direct comparison without Kimi K3's cutoff date.
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Jun 2025
Provider Availability
Kimi K3 is available from Moonshot AI. Nemotron 3 Super (120B A12B) is available from DeepInfra.
Kimi K3
Nemotron 3 Super (120B A12B)
Outputs Comparison
Key Takeaways
Kimi K3
View detailsMoonshot AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Kimi K3 and Nemotron 3 Super (120B A12B) side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Kimi K3 vs Nemotron 3 Super (120B A12B).