Grok Imagine Image 2.0 vs Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): side-by-side summary

Grok Imagine Image 2.0 and Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Grok Imagine Image 2.0, from SpaceXAI, has a 65,536-token context window and is priced from $0.04/image on OpenRouter.

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image), from Google, has a 65,536-token context window and is priced at $0.25/M tokens input, $1.50/M tokens output on OpenRouter.

Context window

• Grok Imagine Image 2.0: 65,536 tokens
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): 65,536 tokens

Price

• Grok Imagine Image 2.0: from $0.04/image
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): $0.25/M tokens input, $1.50/M tokens output

Provided by

• Grok Imagine Image 2.0: SpaceXAI
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): Google

• Grok Imagine Image 2.0 model details, providers and pricing
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) model details, providers and pricing