MAI-Image-2.5 Pro vs Nano Banana 2 (Gemini 3.1 Flash Image): side-by-side summary

MAI-Image-2.5 Pro and Nano Banana 2 (Gemini 3.1 Flash Image) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

MAI-Image-2.5 Pro, from Microsoft, has a 4,096-token context window and is priced at $5/M tokens on OpenRouter.

Nano Banana 2 (Gemini 3.1 Flash Image), from Google, has a 131,072-token context window and is priced at $0.50/M tokens input, $3/M tokens output on OpenRouter.

Context window

• MAI-Image-2.5 Pro: 4,096 tokens
• Nano Banana 2 (Gemini 3.1 Flash Image): 131,072 tokens

Price

• MAI-Image-2.5 Pro: $5/M tokens
• Nano Banana 2 (Gemini 3.1 Flash Image): $0.50/M tokens input, $3/M tokens output

Provided by

• MAI-Image-2.5 Pro: Microsoft
• Nano Banana 2 (Gemini 3.1 Flash Image): Google

• MAI-Image-2.5 Pro model details, providers and pricing
• Nano Banana 2 (Gemini 3.1 Flash Image) model details, providers and pricing