Claude Opus 4.5 vs Nemotron 3 Nano (30B A3B) Comparison

Comparing Claude Opus 4.5 and Nemotron 3 Nano (30B A3B) across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude Opus 4.5 outperforms in 4 benchmarks (GPQA, SWE-Bench Verified, Tau2 Retail, Tau2 Telecom), while Nemotron 3 Nano (30B A3B) is better at 0 benchmarks.

Claude Opus 4.5 significantly outperforms across most benchmarks.

Sat Mar 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Nemotron 3 Nano (30B A3B) costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 83.3x more expensive than Nemotron 3 Nano (30B A3B) ($0.06/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 104.2x more expensive than Nemotron 3 Nano (30B A3B) ($0.24/1M tokens).

In conclusion, Claude Opus 4.5 is more expensive than Nemotron 3 Nano (30B A3B).*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Sat Mar 14 2026 • llm-stats.com

Claude Opus 4.5

Input tokens$5.00

Output tokens$25.00

Best providerAnthropic

Nemotron 3 Nano (30B A3B)

Input tokens$0.06

Output tokens$0.24

Best providerDeepinfra

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Context Window

Maximum input and output token capacity

Nemotron 3 Nano (30B A3B) accepts 262,144 input tokens compared to Claude Opus 4.5's 200,000 tokens. Nemotron 3 Nano (30B A3B) can generate longer responses up to 262,144 tokens, while Claude Opus 4.5 is limited to 64,000 tokens.

Claude Opus 4.5

Input200,000 tokens

Output64,000 tokens

Nemotron 3 Nano (30B A3B)

Input262,144 tokens

Output262,144 tokens

Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4.5 supports multimodal inputs, whereas Nemotron 3 Nano (30B A3B) does not.

Claude Opus 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4.5

Text

Images

Audio

Video

Nemotron 3 Nano (30B A3B)

Text

Images

Audio

Video

License

Usage and distribution terms

Claude Opus 4.5 is licensed under a proprietary license, while Nemotron 3 Nano (30B A3B) uses NVIDIA Open Model License Agreement .

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

Claude Opus 4.5

Proprietary

Closed source

Nemotron 3 Nano (30B A3B)

NVIDIA Open Model License Agreement

Open weights

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while Nemotron 3 Nano (30B A3B) was released on 2025-12-15.

Nemotron 3 Nano (30B A3B) is 1 month newer than Claude Opus 4.5.

Claude Opus 4.5

Nov 24, 2025

3 months ago

Nemotron 3 Nano (30B A3B)

Dec 15, 2025

2 months ago

3w newer

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a knowledge cutoff of 2025-03-31, while Nemotron 3 Nano (30B A3B) has a cutoff of 2025-11-28.

Nemotron 3 Nano (30B A3B) has more recent training data (up to 2025-11-28), making it potentially better informed about events through that date compared to Claude Opus 4.5 (2025-03-31).

Claude Opus 4.5

Mar 2025

Nemotron 3 Nano (30B A3B)

Nov 2025

8 mo newer

Provider Availability

Claude Opus 4.5 is available from Anthropic. Nemotron 3 Nano (30B A3B) is available from DeepInfra. The availability of providers can affect quality of the model and reliability.