GLM 5.3 vs Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): side-by-side summary

GLM 5.3 and Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GLM 5.3, from Z.ai, has a 1,048,576-token context window and is priced at $1.40/M tokens input, $4.40/M tokens output on OpenRouter.

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.

Context window

• GLM 5.3: 1,048,576 tokens
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): 65,536 tokens

Price

• GLM 5.3: $1.40/M tokens input, $4.40/M tokens output
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): $0.25/M tokens input, $1.50/M tokens output

Provided by

• GLM 5.3: Z.ai
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): Google

• GLM 5.3 model details, providers and pricing
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) model details, providers and pricing