Compare DeepSeek V4.1 Flash from DeepSeek and Nemotron 3.5 Lightning from Nvidia on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
DeepSeek V4.1 Flash and Nemotron 3.5 Lightning are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V4.1 Flash, from DeepSeek, has a 1,048,576-token context window and is priced at $0.30/M tokens input, $1.20/M tokens output on OpenRouter.
Nemotron 3.5 Lightning, from Nvidia, has a 262,144-token context window and is priced at $0.08/M tokens input, $0.20/M tokens output on OpenRouter.