Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs Kimi K3: side-by-side summary

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and Kimi K3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image), from Google, has a 65,536-token context window and is priced at $0.25/M tokens input, $1.50/M tokens output on OpenRouter.

Kimi K3, from moonshotai, has a 1,048,576-token context window and is priced at $2.55/M tokens input, $12.75/M tokens output on OpenRouter.

Context window

• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): 65,536 tokens
• Kimi K3: 1,048,576 tokens

Price

• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): $0.25/M tokens input, $1.50/M tokens output
• Kimi K3: $2.55/M tokens input, $12.75/M tokens output

Provided by

• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): Google
• Kimi K3: moonshotai

• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) model details, providers and pricing
• Kimi K3 model details, providers and pricing