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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.

Kimi K2.7 Code
Moonshot AI
Nemotron 3 Ultra (550B A55B)
NVIDIA
Core performance indexes
LLM Stats Score
39.3
#57
36.3
#74
Reasoning
34.5
#82
35.4
#76
Coding
30.3
#48
21.3
#84
Agents
26.3
#44
11.7
#98
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.74 / M
— / M
Output price
$3.50 / M
— / M
Context window
262,144
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Kimi K2.7 Code
Nemotron 3 Ultra (550B A55B)
Tool use
24.5#35
3.7#154
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Kimi K2.7 Code · 26 for Nemotron 3 Ultra (550B A55B)

No common benchmarks found

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

450.0B diff

Kimi K2.7 Code has 450.0B more parameters than Nemotron 3 Ultra (550B A55B), making it 81.8% larger.

Moonshot AI
Kimi K2.7 Code
1.0Tparameters
NVIDIA
Nemotron 3 Ultra (550B A55B)
550.0Bparameters
1000.0B
Kimi K2.7 Code
550.0B
Nemotron 3 Ultra (550B A55B)

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).

Moonshot AI
Kimi K2.7 Code
Input262,144 tokens
Output131,072 tokens
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input- tokens
Output- tokens
Sun Sep 06 2026 • llm-stats.com

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

Text
Images
Audio
Video

Nemotron 3 Ultra (550B A55B)

Text
Images
Audio
Video

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.

Kimi K2.7 Code

Modified MIT License

Open weights

Nemotron 3 Ultra (550B A55B)

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).

Kimi K2.7 Code

Jun 12, 2026

2 months ago

1w newer
Nemotron 3 Ultra (550B A55B)

Jun 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.

Kimi K2.7 Code

—

Nemotron 3 Ultra (550B A55B)

Sep 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

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.

Kimi K2.7 Code
✓ Preferred
Nemotron 3 Ultra (550B A55B)
Open in Playground

FAQ

Common questions about Kimi K2.7 Code vs Nemotron 3 Ultra (550B A55B).

Which is better, Kimi K2.7 Code or Nemotron 3 Ultra (550B A55B)?

Kimi K2.7 Code and Nemotron 3 Ultra (550B A55B) are closely matched on the LLM Stats Score at 39.3 and 36.3. Kimi K2.7 Code is made by Moonshot AI and Nemotron 3 Ultra (550B A55B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Kimi K2.7 Code compare to Nemotron 3 Ultra (550B A55B) in benchmarks?

Kimi K2.7 Code scores MCP-Mark: 81.1%, MCP Atlas: 76.0%, LiveBench: 71.9%, Kimi Code Bench v2: 62.0%, Program Bench: 53.6%. Nemotron 3 Ultra (550B A55B) scores RULER: 94.7%, IMO-AnswerBench: 92.3%, PinchBench: 90.0%, LiveCodeBench v6: 89.0%, GPQA: 87.0%.

What are the context window sizes for Kimi K2.7 Code and Nemotron 3 Ultra (550B A55B)?

Kimi K2.7 Code supports 262K tokens and Nemotron 3 Ultra (550B A55B) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi K2.7 Code and Nemotron 3 Ultra (550B A55B)?

Key differences include LLM Stats Score (39.3 vs 36.3), multimodal support (yes vs no), licensing (Modified MIT License vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2.7 Code and Nemotron 3 Ultra (550B A55B)?

Kimi K2.7 Code is developed by Moonshot AI and Nemotron 3 Ultra (550B A55B) is developed by NVIDIA.

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