The AI arena is free today

Open Superagent

Claude 3 Sonnet vs Nemotron Nano 9B v2

Nemotron Nano 9B v2 significantly outperforms across most benchmarks.

Anthropic · NVIDIA · Updated for 2026

Which is better?

Claude 3 Sonnet outperforms in 0 benchmarks, while Nemotron Nano 9B v2 is better at 1 benchmark (GPQA). Nemotron Nano 9B v2 significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Claude 3 Sonnet

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose Nemotron Nano 9B v2

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Aug 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude 3 Sonnet
Anthropic
Nemotron Nano 9B v2
NVIDIA
Benchmark wins
0 of 1
1 of 1
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
200,000
—
Released
Feb 2024
Aug 2025
License
Proprietary
NVIDIA Open Model License Agreement

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3 Sonnet outperforms in 0 benchmarks, while Nemotron Nano 9B v2 is better at 1 benchmark (GPQA).

Nemotron Nano 9B v2 significantly outperforms across most benchmarks.

Wed Aug 26 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only Claude 3 Sonnet specifies input context (200,000 tokens). Only Claude 3 Sonnet specifies output context (200,000 tokens).

Anthropic
Claude 3 Sonnet
Input200,000 tokens
Output200,000 tokens
NVIDIA
Nemotron Nano 9B v2
Input- tokens
Output- tokens
Wed Aug 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Sonnet supports multimodal inputs, whereas Nemotron Nano 9B v2 does not.

Claude 3 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Sonnet

Text
Images
Audio
Video

Nemotron Nano 9B v2

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Sonnet is licensed under a proprietary license, 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.

Claude 3 Sonnet

Proprietary

Closed source

Nemotron Nano 9B v2

NVIDIA Open Model License Agreement

Open weights

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while Nemotron Nano 9B v2 was released on 2025-08-18.

Nemotron Nano 9B v2 is 18 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.5 years ago

Nemotron Nano 9B v2

Aug 18, 2025

1.0 years ago

1.5yr newer

Knowledge Cutoff

When training data ends

Nemotron Nano 9B v2 has a documented knowledge cutoff of 2024-09-01, while Claude 3 Sonnet'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 Claude 3 Sonnet's cutoff date.

Claude 3 Sonnet

—

Nemotron Nano 9B v2

Sep 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude 3 Sonnet and Nemotron Nano 9B v2 side-by-side, then vote on the output you prefer.

Claude 3 Sonnet
✓ Preferred
Nemotron Nano 9B v2
Open in Playground

FAQ

Common questions about Claude 3 Sonnet vs Nemotron Nano 9B v2.

Which is better, Claude 3 Sonnet or Nemotron Nano 9B v2?

Nemotron Nano 9B v2 significantly outperforms across most benchmarks. Claude 3 Sonnet is made by Anthropic and Nemotron Nano 9B v2 is made by NVIDIA. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3 Sonnet compare to Nemotron Nano 9B v2 in benchmarks?

Claude 3 Sonnet scores ARC-C: 93.2%, GSM8k: 92.3%, HellaSwag: 89.0%, MGSM: 83.5%, BIG-Bench Hard: 82.9%. 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 Claude 3 Sonnet and Nemotron Nano 9B v2?

Claude 3 Sonnet 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 Claude 3 Sonnet and Nemotron Nano 9B v2?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs NVIDIA Open Model License Agreement ). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Sonnet and Nemotron Nano 9B v2?

Claude 3 Sonnet is developed by Anthropic and Nemotron Nano 9B v2 is developed by NVIDIA.

Related comparisons