Granite 4.2 8B vs Phi 4: side-by-side summary

Granite 4.2 8B and Phi 4 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Granite 4.2 8B, from ibm-granite, has a 131,072-token context window and is priced at $0.10/M tokens input, $0.15/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

• Granite 4.2 8B: 131,072 tokens
• Phi 4: 16,384 tokens

Price

• Granite 4.2 8B: $0.10/M tokens input, $0.15/M tokens output
• Phi 4: $0.07/M tokens input, $0.14/M tokens output

Provided by

• Granite 4.2 8B: ibm-granite
• Phi 4: Microsoft

• Granite 4.2 8B model details, providers and pricing
• Phi 4 model details, providers and pricing