Nano Banana Pro (Gemini 3 Pro Image Preview) vs E5-Base-v2: side-by-side summary

Nano Banana Pro (Gemini 3 Pro Image Preview) and E5-Base-v2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

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.

E5-Base-v2, from intfloat, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.

Context window

• Nano Banana Pro (Gemini 3 Pro Image Preview): 65,536 tokens
• E5-Base-v2: 512 tokens

Price

• Nano Banana Pro (Gemini 3 Pro Image Preview): $2/M tokens input, $12/M tokens output
• E5-Base-v2: $0.005/M tokens

Provided by

• Nano Banana Pro (Gemini 3 Pro Image Preview): Google
• E5-Base-v2: intfloat

• Nano Banana Pro (Gemini 3 Pro Image Preview) model details, providers and pricing
• E5-Base-v2 model details, providers and pricing