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  1. Home
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  3. Compare

DeepSeek V4 Flash 0731 vs Union Alpha

Compare DeepSeek V4 Flash 0731 from DeepSeek and Union Alpha from Stealth on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

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AI Model Comparison

Favicon for deepseek
DeepSeek V4 Flash 0731
Favicon for stealth
Union Alpha
Favicon for deepseek
DeepSeek V4 Flash 0731
Favicon for stealth
Union Alpha

Overview

DeepSeek V4 Flash 0731
Author
DeepSeek
Union Alpha
Author
Stealth
DeepSeek V4 Flash 0731
Context length
1.31Mtokens
Union Alpha
Context length
262Ktokens
DeepSeek V4 Flash 0731
Reasoning
Union Alpha
Reasoning
DeepSeek V4 Flash 0731
Input modalities
Union Alpha
Input modalities
DeepSeek V4 Flash 0731
Output modalities
Union Alpha
Output modalities

DeepSeek V4 Flash 0731 vs Union Alpha: side-by-side summary

DeepSeek V4 Flash 0731 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 Flash 0731, from DeepSeek, has a 1,310,720-token context window and is priced at $0.04/M tokens input, $0.10/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 Flash 0731: 1,310,720 tokens
  • Union Alpha: 262,144 tokens
Price
  • DeepSeek V4 Flash 0731: $0.04/M tokens input, $0.10/M tokens output
  • Union Alpha: Free
Provided by
  • DeepSeek V4 Flash 0731: DeepSeek
  • Union Alpha: Stealth
  • model details, providers and pricing
  • model details, providers and pricing
DeepSeek V4 Flash 0731
Union Alpha