Claude Opus 5 (Fast) vs Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): side-by-side summary

Claude Opus 5 (Fast) 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.

Claude Opus 5 (Fast), from Anthropic, has a 1,000,000-token context window and is priced at $10/M tokens input, $50/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

• Claude Opus 5 (Fast): 1,000,000 tokens
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): 65,536 tokens

Price

• Claude Opus 5 (Fast): $10/M tokens input, $50/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

• Claude Opus 5 (Fast): Anthropic
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): Google

• Claude Opus 5 (Fast) model details, providers and pricing
• Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) model details, providers and pricing