FLUX.2 Pro vs Nano Banana Pro (Gemini 3 Pro Image Preview): side-by-side summary

FLUX.2 Pro and Nano Banana Pro (Gemini 3 Pro Image Preview) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

FLUX.2 Pro, from black-forest-labs, has a 46,864-token context window and is priced at $0.03/megapixel on OpenRouter.

Nano Banana Pro (Gemini 3 Pro Image Preview), from Google, has a 65,536-token context window and is priced at $2/M tokens input, $12/M tokens output on OpenRouter.

Context window

• FLUX.2 Pro: 46,864 tokens
• Nano Banana Pro (Gemini 3 Pro Image Preview): 65,536 tokens

Price

• FLUX.2 Pro: $0.03/megapixel
• Nano Banana Pro (Gemini 3 Pro Image Preview): $2/M tokens input, $12/M tokens output

Provided by

• FLUX.2 Pro: black-forest-labs
• Nano Banana Pro (Gemini 3 Pro Image Preview): Google

• FLUX.2 Pro model details, providers and pricing
• Nano Banana Pro (Gemini 3 Pro Image Preview) model details, providers and pricing