Compare DeepSeek V4 Pro 0423 from DeepSeek and Aion-2.0 from Aion Labs 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 Pro 0423 and Aion-2.0 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V4 Pro 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.87/M tokens input, $1.74/M tokens output on OpenRouter.
Aion-2.0, from Aion Labs, has a 131,072-token context window and is priced at $0.80/M tokens input, $1.60/M tokens output on OpenRouter.