DeepSeek V4 Pro 0813 vs Gemini 3.5 Flash Lite: side-by-side summary

DeepSeek V4 Pro 0813 and Gemini 3.5 Flash Lite are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4 Pro 0813, from DeepSeek, has a 1,048,576-token context window and is priced at $0.435/M tokens input, $0.87/M tokens output on OpenRouter.

Gemini 3.5 Flash Lite, from Google, has a 1,048,576-token context window and is priced at $0.30/M tokens input, $2.50/M tokens output on OpenRouter.

Context window

• DeepSeek V4 Pro 0813: 1,048,576 tokens
• Gemini 3.5 Flash Lite: 1,048,576 tokens

Price

• DeepSeek V4 Pro 0813: $0.435/M tokens input, $0.87/M tokens output
• Gemini 3.5 Flash Lite: $0.30/M tokens input, $2.50/M tokens output

Provided by

• DeepSeek V4 Pro 0813: DeepSeek
• Gemini 3.5 Flash Lite: Google

• DeepSeek V4 Pro 0813 model details, providers and pricing
• Gemini 3.5 Flash Lite model details, providers and pricing