Seed 1.6 Flash vs Nano Banana Pro (Gemini 3 Pro Image Preview): side-by-side summary

Seed 1.6 Flash 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.

Seed 1.6 Flash, from bytedance-seed, has a 262,144-token context window and is priced at $0.075/M tokens input, $0.30/M tokens output 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

• Seed 1.6 Flash: 262,144 tokens
• Nano Banana Pro (Gemini 3 Pro Image Preview): 65,536 tokens

Price

• Seed 1.6 Flash: $0.075/M tokens input, $0.30/M tokens output
• Nano Banana Pro (Gemini 3 Pro Image Preview): $2/M tokens input, $12/M tokens output

Provided by

• Seed 1.6 Flash: bytedance-seed
• Nano Banana Pro (Gemini 3 Pro Image Preview): Google

• Seed 1.6 Flash model details, providers and pricing
• Nano Banana Pro (Gemini 3 Pro Image Preview) model details, providers and pricing