The AI arena is free today

Open Superagent

Claude 3.5 Sonnet vs Nemotron Nano 9B v2

Claude 3.5 Sonnet and Nemotron Nano 9B v2 are closely matched at 15.9 and 18.4 on the LLM Stats Score.

Anthropic · NVIDIA · Updated for 2026

Which is better?

Claude 3.5 Sonnet and Nemotron Nano 9B v2 are closely matched on the overall LLM Stats Score at 15.9 and 18.4.

In the 1 individual benchmarks reported for both models, Nemotron Nano 9B v2 wins 1; 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 Claude 3.5 Sonnet

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

Choose Nemotron Nano 9B v2

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • 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.

Core performance indexes
15.9
#227
18.4
#211
16.0
#218
17.2
#210
13.0
#139
14.4
#133
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3.5 Sonnet
Nemotron Nano 9B v2
22.7#133
16.4#205
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude 3.5 Sonnet · 6 for Nemotron Nano 9B v2

1 shared

Claude 3.5 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.

Mon Sep 21 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude 3.5 Sonnet specifies input context (200,000 tokens). Only Claude 3.5 Sonnet specifies output context (200,000 tokens).

Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
NVIDIA
Nemotron Nano 9B v2
Input- tokens
Output- tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude 3.5 Sonnet supports multimodal inputs, whereas Nemotron Nano 9B v2 does not.

Claude 3.5 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.5 Sonnet

Text
Images
Audio
Video

Nemotron Nano 9B v2

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3.5 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 3.5 Sonnet

Proprietary

Closed source

Nemotron Nano 9B v2

NVIDIA Open Model License Agreement

Open weights

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-06-21, while Nemotron Nano 9B v2 was released on 2025-08-18.

Nemotron Nano 9B v2 is 14 months newer than Claude 3.5 Sonnet.

Claude 3.5 Sonnet

Jun 21, 2024

2.2 years ago

Nemotron Nano 9B v2

Aug 18, 2025

1.1 years ago

1.2yr newer

Knowledge Cutoff

When training data ends

Nemotron Nano 9B v2 has a documented knowledge cutoff of 2024-09-01, while Claude 3.5 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 3.5 Sonnet's cutoff date.

Claude 3.5 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 3.5 Sonnet and Nemotron Nano 9B v2 side-by-side, then vote on the output you prefer.

Claude 3.5 Sonnet
✓ Preferred
Nemotron Nano 9B v2
Open in Playground

FAQ

Common questions about Claude 3.5 Sonnet vs Nemotron Nano 9B v2.

Which is better, Claude 3.5 Sonnet or Nemotron Nano 9B v2?

Claude 3.5 Sonnet and Nemotron Nano 9B v2 are closely matched on the LLM Stats Score at 15.9 and 18.4. Claude 3.5 Sonnet is made by Anthropic 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 Claude 3.5 Sonnet compare to Nemotron Nano 9B v2 in benchmarks?

Claude 3.5 Sonnet scores GSM8k: 96.4%, BIG-Bench Hard: 93.1%, HumanEval: 92.0%, MGSM: 91.6%, MMLU: 90.4%. 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 3.5 Sonnet and Nemotron Nano 9B v2?

Claude 3.5 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 3.5 Sonnet and Nemotron Nano 9B v2?

Key differences include LLM Stats Score (15.9 vs 18.4), 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 3.5 Sonnet and Nemotron Nano 9B v2?

Claude 3.5 Sonnet is developed by Anthropic and Nemotron Nano 9B v2 is developed by NVIDIA.