Overview
DeepSeek V4 Pro 0813 vs Union Alpha: side-by-side summary
DeepSeek V4 Pro 0813 and Union Alpha 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 $0.5795/M tokens input, $1.738/M tokens output on OpenRouter.
Union Alpha, from Stealth, has a 262,144-token context window and is free to use on OpenRouter.
- Context window
- DeepSeek V4 Pro 0813: 1,048,576 tokens
- Union Alpha: 262,144 tokens
- Price
- DeepSeek V4 Pro 0813: $0.5795/M tokens input, $1.738/M tokens output
- Union Alpha: Free
- Provided by
- DeepSeek V4 Pro 0813: DeepSeek
- Union Alpha: Stealth