Model Comparison

Kimi K3 vs Llama 3.1 Nemotron 70B InstructWhich is better in 2026?

Comparing Kimi K3 and Llama 3.1 Nemotron 70B Instruct across benchmarks, pricing, and capabilities.

Verdict: Kimi K3 vs Llama 3.1 Nemotron 70B Instruct — which is better?

Kimi K3 (by Moonshot AI) and Llama 3.1 Nemotron 70B Instruct (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.

Choose Kimi K3 if…

  • you want the most recent training data — it shipped Jul 2026

Choose Llama 3.1 Nemotron 70B Instruct if…

  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Kimi K3 and Llama 3.1 Nemotron 70B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Model Size

Parameter count comparison

2730.0B diff

Kimi K3 has 2730.0B more parameters than Llama 3.1 Nemotron 70B Instruct, making it 3900.0% larger.

Moonshot AI
Kimi K3
2.8Tparameters
NVIDIA
Llama 3.1 Nemotron 70B Instruct
70.0Bparameters
2800.0B
Kimi K3
70.0B
Llama 3.1 Nemotron 70B Instruct

Context Window

Maximum input and output token capacity

Only Kimi K3 specifies input context (1,048,576 tokens). Only Kimi K3 specifies output context (1,048,576 tokens).

Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 tokens
NVIDIA
Llama 3.1 Nemotron 70B Instruct
Input- tokens
Output- tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Kimi K3 supports multimodal inputs, whereas Llama 3.1 Nemotron 70B Instruct does not.

Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Kimi K3

Text
Images
Audio
Video

Llama 3.1 Nemotron 70B Instruct

Text
Images
Audio
Video

Release Timeline

When each model was launched

Kimi K3 was released on 2026-07-16, while Llama 3.1 Nemotron 70B Instruct was released on 2024-10-01.

Kimi K3 is 22 months newer than Llama 3.1 Nemotron 70B Instruct.

Kimi K3

Jul 16, 2026

5 days ago

1.8yr newer
Llama 3.1 Nemotron 70B Instruct

Oct 1, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Llama 3.1 Nemotron 70B Instruct has a documented knowledge cutoff of 2023-12-01, while Kimi K3's cutoff date is not specified.

We can confirm Llama 3.1 Nemotron 70B Instruct's training data extends to 2023-12-01, but cannot make a direct comparison without Kimi K3's cutoff date.

Kimi K3

—

Llama 3.1 Nemotron 70B Instruct

Dec 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Moonshot AI
Larger context window (1,048,576 tokens)
Supports multimodal inputs
NVIDIA

No standout differentiators in the data we have for this pair.

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Kimi K3 and Llama 3.1 Nemotron 70B Instruct side-by-side, then vote on the output you prefer.

Kimi K3
✓ Preferred
Llama 3.1 Nemotron 70B Instruct
Open in Playground
AI Model Comparison Table
Feature
Moonshot AI
Kimi K3
NVIDIA
Llama 3.1 Nemotron 70B Instruct

FAQ

Common questions about Kimi K3 vs Llama 3.1 Nemotron 70B Instruct.

Which is better, Kimi K3 or Llama 3.1 Nemotron 70B Instruct?

Kimi K3 (Moonshot AI) and Llama 3.1 Nemotron 70B Instruct (NVIDIA) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Kimi K3 compare to Llama 3.1 Nemotron 70B Instruct in benchmarks?

Kimi K3 scores MathVision: 97.8%, DeepSearchQA: 95.0%, GPQA: 93.5%, CharXiv-R: 91.3%, BrowseComp: 91.2%. Llama 3.1 Nemotron 70B Instruct scores GSM8k: 91.4%, HellaSwag: 85.6%, Winogrande: 84.5%, GSM8K Chat: 81.9%, MMLU Chat: 80.6%.

What are the context window sizes for Kimi K3 and Llama 3.1 Nemotron 70B Instruct?

Kimi K3 supports 1.0M tokens and Llama 3.1 Nemotron 70B Instruct 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 K3 and Llama 3.1 Nemotron 70B Instruct?

Key differences include multimodal support (yes vs no), licensing (Unknown vs Llama 3.1 Community License). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K3 and Llama 3.1 Nemotron 70B Instruct?

Kimi K3 is developed by Moonshot AI and Llama 3.1 Nemotron 70B Instruct is developed by NVIDIA.

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