Kimi K2.7 Code vs Nemotron 3 Ultra (550B A55B)
Kimi K2.7 Code and Nemotron 3 Ultra (550B A55B) are closely matched at 39.3 and 36.3 on the LLM Stats Score.
Moonshot AI · NVIDIA · Updated for 2026
Which is better?
Kimi K2.7 Code and Nemotron 3 Ultra (550B A55B) are closely matched on the overall LLM Stats Score at 39.3 and 36.3.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Kimi K2.7 Code
- your work emphasizes coding and agents — it leads those capability indexes
- you want the most recent training data — it shipped Jun 2026
Choose Nemotron 3 Ultra (550B A55B)
- you are already invested in the NVIDIA ecosystem
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Kimi K2.7 Code · 26 for Nemotron 3 Ultra (550B A55B)
Kimi K2.7 Code and Nemotron 3 Ultra (550B A55B)don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Model Size
Parameter count comparison
Kimi K2.7 Code has 450.0B more parameters than Nemotron 3 Ultra (550B A55B), making it 81.8% larger.
Context Window
Maximum input and output token capacity
Only Kimi K2.7 Code specifies input context (262,144 tokens). Only Kimi K2.7 Code specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
Kimi K2.7 Code supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.
Kimi K2.7 Code can handle both text and other forms of data like images, making it suitable for multimodal applications.
Kimi K2.7 Code
Nemotron 3 Ultra (550B A55B)
License
Usage and distribution terms
Kimi K2.7 Code is licensed under Modified MIT License, while Nemotron 3 Ultra (550B A55B) uses OpenMDW License v1.1.
License differences may affect how you can use these models in commercial or open-source projects.
Modified MIT License
Open weights
OpenMDW License v1.1
Open weights
Release Timeline
When each model was launched
Kimi K2.7 Code was released on 2026-06-12, while Nemotron 3 Ultra (550B A55B) was released on 2026-06-04.
Kimi K2.7 Code is 0 month newer than Nemotron 3 Ultra (550B A55B).
Jun 12, 2026
2 months ago
1w newerJun 4, 2026
3 months ago
Knowledge Cutoff
When training data ends
Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while Kimi K2.7 Code's cutoff date is not specified.
We can confirm Nemotron 3 Ultra (550B A55B)'s training data extends to 2025-09-30, but cannot make a direct comparison without Kimi K2.7 Code's cutoff date.
—
Sep 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against Kimi K2.7 Code and Nemotron 3 Ultra (550B A55B) side-by-side, then vote on the output you prefer.
FAQ
Common questions about Kimi K2.7 Code vs Nemotron 3 Ultra (550B A55B).