Mistral Medium 3.5 vs Phi 4: side-by-side summary

Mistral Medium 3.5 and Phi 4 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Mistral Medium 3.5, from Mistral AI, has a 262,144-token context window and is priced at $1.50/M tokens input, $7.50/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

• Mistral Medium 3.5: 262,144 tokens
• Phi 4: 16,384 tokens

Price

• Mistral Medium 3.5: $1.50/M tokens input, $7.50/M tokens output
• Phi 4: $0.07/M tokens input, $0.14/M tokens output

Provided by

• Mistral Medium 3.5: Mistral AI
• Phi 4: Microsoft

• Mistral Medium 3.5 model details, providers and pricing
• Phi 4 model details, providers and pricing