Nemotron 3 Ultra vs Phi 4: side-by-side summary

Nemotron 3 Ultra and Phi 4 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.

Phi 4, from Microsoft, has a 16,384-token context window and is priced at $0.07/M tokens input, $0.14/M tokens output on OpenRouter.

Context window

• Nemotron 3 Ultra: 512,288 tokens
• Phi 4: 16,384 tokens

Price

• Nemotron 3 Ultra: $0.50/M tokens input, $2.20/M tokens output
• Phi 4: $0.07/M tokens input, $0.14/M tokens output

Provided by

• Nemotron 3 Ultra: Nvidia
• Phi 4: Microsoft

• Nemotron 3 Ultra model details, providers and pricing
• Phi 4 model details, providers and pricing