DeepSeek V3.1 Base vs Gemini 2.5 Flash Lite: side-by-side summary

DeepSeek V3.1 Base and Gemini 2.5 Flash Lite are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V3.1 Base, from DeepSeek, has a 163,840-token context window and is priced by the provider serving it on OpenRouter.

Gemini 2.5 Flash Lite, from Google, has a 1,048,576-token context window and is priced at $0.10/M tokens input, $0.40/M tokens output on OpenRouter.

Context window

• DeepSeek V3.1 Base: 163,840 tokens
• Gemini 2.5 Flash Lite: 1,048,576 tokens

Price

• DeepSeek V3.1 Base: Pricing varies by provider
• Gemini 2.5 Flash Lite: $0.10/M tokens input, $0.40/M tokens output

Provided by

• DeepSeek V3.1 Base: DeepSeek
• Gemini 2.5 Flash Lite: Google

• DeepSeek V3.1 Base model details, providers and pricing
• Gemini 2.5 Flash Lite model details, providers and pricing