Gemini 2.5 Flash Image Preview (Nano Banana) vs Mercury Coder: side-by-side summary

Gemini 2.5 Flash Image Preview (Nano Banana) and Mercury Coder are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Gemini 2.5 Flash Image Preview (Nano Banana), from Google, has a 32,768-token context window and is priced by the provider serving it on OpenRouter.

Mercury Coder, from inception, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.

Context window

• Gemini 2.5 Flash Image Preview (Nano Banana): 32,768 tokens
• Mercury Coder: 128,000 tokens

Price

• Gemini 2.5 Flash Image Preview (Nano Banana): Pricing varies by provider
• Mercury Coder: Pricing varies by provider

Provided by

• Gemini 2.5 Flash Image Preview (Nano Banana): Google
• Mercury Coder: inception

• Gemini 2.5 Flash Image Preview (Nano Banana) model details, providers and pricing
• Mercury Coder model details, providers and pricing