Grok 4.6 vs Nano Banana Pro (Gemini 3 Pro Image): side-by-side summary

Grok 4.6 and Nano Banana Pro (Gemini 3 Pro Image) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Grok 4.6, from SpaceXAI, has a 500,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.

Nano Banana Pro (Gemini 3 Pro Image), from Google, has a 131,072-token context window and is priced at $2/M tokens input, $12/M tokens output on OpenRouter.

Context window

• Grok 4.6: 500,000 tokens
• Nano Banana Pro (Gemini 3 Pro Image): 131,072 tokens

Price

• Grok 4.6: $2/M tokens input, $6/M tokens output
• Nano Banana Pro (Gemini 3 Pro Image): $2/M tokens input, $12/M tokens output

Provided by

• Grok 4.6: SpaceXAI
• Nano Banana Pro (Gemini 3 Pro Image): Google

• Grok 4.6 model details, providers and pricing
• Nano Banana Pro (Gemini 3 Pro Image) model details, providers and pricing