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Kimi K2 Instruct vs Nemotron Nano 9B v2

Kimi K2 Instruct and Nemotron Nano 9B v2 are closely matched at 21.8 and 18.4 on the LLM Stats Score.

Moonshot AI · NVIDIA · Updated for 2026

Which is better?

Kimi K2 Instruct and Nemotron Nano 9B v2 are closely matched on the overall LLM Stats Score at 21.8 and 18.4.

In the 4 individual benchmarks reported for both models, Nemotron Nano 9B v2 wins 3; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Kimi K2 Instruct

  • you want predictable pricing at $0.50/M input and $0.50/M output

Choose Nemotron Nano 9B v2

  • you value its reported benchmark strengths — it wins 3 of 4 exact shared results
  • you want the most recent training data — it shipped Aug 2025

At a glance

The differences that matter most.

Core performance indexes
21.8
#198
18.4
#227
22.0
#189
17.2
#226
12.3
#160
14.4
#147
Cost, coverage & limits
Benchmark wins
1 of 4
3 of 4
Input price
$0.50 / M
— / M
Output price
$0.50 / M
— / M
Context window
200,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Kimi K2 Instruct
Nemotron Nano 9B v2
22.2#146
16.4#211
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

38 reported for Kimi K2 Instruct · 6 for Nemotron Nano 9B v2

4 shared

Kimi K2 Instruct outperforms in 1 benchmarks (GPQA), while Nemotron Nano 9B v2 is better at 3 benchmarks (AIME 2025, IFEval, MATH-500).

Nemotron Nano 9B v2 shows notably better performance in the majority of benchmarks.

Wed Oct 14 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

991.1B diff

Kimi K2 Instruct has 991.1B more parameters than Nemotron Nano 9B v2, making it 11136.0% larger.

Moonshot AI
Kimi K2 Instruct
1.0Tparameters
NVIDIA
Nemotron Nano 9B v2
8.9Bparameters
1000.0B
Kimi K2 Instruct
8.9B
Nemotron Nano 9B v2

Context Window

Maximum input and output token capacity

Only Kimi K2 Instruct specifies input context (200,000 tokens). Only Kimi K2 Instruct specifies output context (200,000 tokens).

Moonshot AI
Kimi K2 Instruct
Input200,000 tokens
Output200,000 tokens
NVIDIA
Nemotron Nano 9B v2
Input- tokens
Output- tokens
Wed Oct 14 2026 • llm-stats.com

License

Usage and distribution terms

Kimi K2 Instruct is licensed under MIT, while Nemotron Nano 9B v2 uses NVIDIA Open Model License Agreement .

License differences may affect how you can use these models in commercial or open-source projects.

Kimi K2 Instruct

MIT

Open weights

Nemotron Nano 9B v2

NVIDIA Open Model License Agreement

Open weights

Release Timeline

When each model was launched

Kimi K2 Instruct was released on 2025-07-11, while Nemotron Nano 9B v2 was released on 2025-08-18.

Nemotron Nano 9B v2 is 1 month newer than Kimi K2 Instruct.

Kimi K2 Instruct

Jul 11, 2025

1.3 years ago

Nemotron Nano 9B v2

Aug 18, 2025

1.1 years ago

1mo newer

Knowledge Cutoff

When training data ends

Nemotron Nano 9B v2 has a documented knowledge cutoff of 2024-09-01, while Kimi K2 Instruct's cutoff date is not specified.

We can confirm Nemotron Nano 9B v2's training data extends to 2024-09-01, but cannot make a direct comparison without Kimi K2 Instruct's cutoff date.

Kimi K2 Instruct

—

Nemotron Nano 9B v2

Sep 2024

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Kimi K2 Instruct and Nemotron Nano 9B v2 side-by-side, then vote on the output you prefer.

Kimi K2 Instruct
✓ Preferred
Nemotron Nano 9B v2
Open in Playground

FAQ

Common questions about Kimi K2 Instruct vs Nemotron Nano 9B v2.

Which is better, Kimi K2 Instruct or Nemotron Nano 9B v2?

Kimi K2 Instruct and Nemotron Nano 9B v2 are closely matched on the LLM Stats Score at 21.8 and 18.4. Kimi K2 Instruct is made by Moonshot AI and Nemotron Nano 9B v2 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 Instruct compare to Nemotron Nano 9B v2 in benchmarks?

Kimi K2 Instruct scores MATH-500: 97.4%, GSM8k: 97.3%, CBNSL: 95.6%, HumanEval: 93.3%, MMLU-Redux: 92.7%. Nemotron Nano 9B v2 scores MATH-500: 97.8%, IFEval: 90.3%, AIME 2025: 72.1%, LiveCodeBench: 71.1%, BFCL_v3_MultiTurn: 66.9%.

What are the context window sizes for Kimi K2 Instruct and Nemotron Nano 9B v2?

Kimi K2 Instruct supports 200K tokens and Nemotron Nano 9B v2 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 Instruct and Nemotron Nano 9B v2?

Key differences include LLM Stats Score (21.8 vs 18.4), licensing (MIT vs NVIDIA Open Model License Agreement ). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2 Instruct and Nemotron Nano 9B v2?

Kimi K2 Instruct is developed by Moonshot AI and Nemotron Nano 9B v2 is developed by NVIDIA.