Nemotron 3 Nano 30B A3B vs Grok 4.1 Fast: side-by-side summary

Nemotron 3 Nano 30B A3B and Grok 4.1 Fast 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.

Grok 4.1 Fast, from SpaceXAI, has a 2,000,000-token context window and is priced by the provider serving it on OpenRouter.

Context window

• Nemotron 3 Nano 30B A3B: 262,144 tokens
• Grok 4.1 Fast: 2,000,000 tokens

Price

• Nemotron 3 Nano 30B A3B: $0.05/M tokens input, $0.20/M tokens output
• Grok 4.1 Fast: Pricing varies by provider

Provided by

• Nemotron 3 Nano 30B A3B: Nvidia
• Grok 4.1 Fast: SpaceXAI

• Nemotron 3 Nano 30B A3B model details, providers and pricing
• Grok 4.1 Fast model details, providers and pricing