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  1. Home
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  3. Compare

Nemotron 3 Nano 30B A3B vs GPT-5 Pro

Compare Nemotron 3 Nano 30B A3B from Nvidia and GPT-5 Pro from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Favicon for nvidia
Nemotron 3 Nano 30B A3B
Favicon for openai
GPT-5 Pro
Favicon for nvidia
Nemotron 3 Nano 30B A3B
Favicon for openai
GPT-5 Pro

Overview

Nemotron 3 Nano 30B A3B
Author
Nvidia
GPT-5 Pro
Author
OpenAI
Nemotron 3 Nano 30B A3B
Context length
262Ktokens
GPT-5 Pro
Context length
400Ktokens
Nemotron 3 Nano 30B A3B
Reasoning
GPT-5 Pro
Reasoning
Nemotron 3 Nano 30B A3B
Input modalities
GPT-5 Pro
Input modalities
Nemotron 3 Nano 30B A3B
Output modalities
GPT-5 Pro
Output modalities

Nemotron 3 Nano 30B A3B vs GPT-5 Pro: side-by-side summary

Nemotron 3 Nano 30B A3B and GPT-5 Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Nemotron 3 Nano 30B A3B, from Nvidia, has a 262,144-token context window and is priced at $0.05/M tokens input, $0.20/M tokens output on OpenRouter.

GPT-5 Pro, from OpenAI, has a 400,000-token context window and is priced at $15/M tokens input, $120/M tokens output on OpenRouter.

Context window
  • Nemotron 3 Nano 30B A3B: 262,144 tokens
  • GPT-5 Pro: 400,000 tokens
Price
  • Nemotron 3 Nano 30B A3B: $0.05/M tokens input, $0.20/M tokens output
  • GPT-5 Pro: $15/M tokens input, $120/M tokens output
Provided by
  • Nemotron 3 Nano 30B A3B: Nvidia
  • GPT-5 Pro: OpenAI
  • Nemotron 3 Nano 30B A3B model details, providers and pricing
  • GPT-5 Pro model details, providers and pricing

Nemotron 3 Nano 30B A3B vs GPT-5 Pro at a glance

Nemotron 3 Nano 30B A3B vs GPT-5 Pro comparison
AttributeNemotron 3 Nano 30B A3BGPT-5 Pro
Input price$0.05/M tokens$15/M tokens
Output price$0.20/M tokens$120/M tokens
Context window262,144 tokens400,000 tokens
Intelligence Index6.8Not available
Coding IndexNot availableNot available
Agentic IndexNot availableNot available
Latency (p50)0.52 sNot available
Throughput (p50)198.0 tok/sNot available

Benchmark data updated Oct 5, 2026

Frequently asked questions

Is Nemotron 3 Nano 30B A3B cheaper than GPT-5 Pro?

Nemotron 3 Nano 30B A3B is cheaper than GPT-5 Pro on OpenRouter: Nemotron 3 Nano 30B A3B costs $0.05/M tokens input and $0.20/M tokens output, while GPT-5 Pro costs $15/M tokens input and $120/M tokens output.

Which has the longer context window, Nemotron 3 Nano 30B A3B or GPT-5 Pro?

GPT-5 Pro has the longer context window at 400,000 tokens, compared with 262,144 tokens for Nemotron 3 Nano 30B A3B.