Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs Grok Build 0.1: side-by-side summary

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and Grok Build 0.1 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.

Grok Build 0.1, from SpaceXAI, has a 256,000-token context window and is priced at $1/M tokens input, $2/M tokens output on OpenRouter.

Context window

• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): 65,536 tokens
• Grok Build 0.1: 256,000 tokens

Price

• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): $0.25/M tokens input, $1.50/M tokens output
• Grok Build 0.1: $1/M tokens input, $2/M tokens output

Provided by

• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): Google
• Grok Build 0.1: SpaceXAI

• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) model details, providers and pricing
• Grok Build 0.1 model details, providers and pricing