Nemotron 3 Ultra vs Gemini 3.5 Flash: side-by-side summary

Nemotron 3 Ultra and Gemini 3.5 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Nemotron 3 Ultra, from Nvidia, has a 512,288-token context window and is priced at $0.50/M tokens input, $2.20/M tokens output on OpenRouter.

Gemini 3.5 Flash, from Google, has a 1,048,576-token context window and is priced at $1.50/M tokens input, $9/M tokens output on OpenRouter.

Context window

• Nemotron 3 Ultra: 512,288 tokens
• Gemini 3.5 Flash: 1,048,576 tokens

Price

• Nemotron 3 Ultra: $0.50/M tokens input, $2.20/M tokens output
• Gemini 3.5 Flash: $1.50/M tokens input, $9/M tokens output

Provided by

• Nemotron 3 Ultra: Nvidia
• Gemini 3.5 Flash: Google

• Nemotron 3 Ultra model details, providers and pricing
• Gemini 3.5 Flash model details, providers and pricing