Gemini 2.5 Flash Image Preview (Nano Banana) vs Devstral Small 2505: side-by-side summary

Gemini 2.5 Flash Image Preview (Nano Banana) and Devstral Small 2505 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.

Devstral Small 2505, from Mistral AI, has a 131,072-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
• Devstral Small 2505: 131,072 tokens

Price

• Gemini 2.5 Flash Image Preview (Nano Banana): Pricing varies by provider
• Devstral Small 2505: Pricing varies by provider

Provided by

• Gemini 2.5 Flash Image Preview (Nano Banana): Google
• Devstral Small 2505: Mistral AI

• Gemini 2.5 Flash Image Preview (Nano Banana) model details, providers and pricing
• Devstral Small 2505 model details, providers and pricing