Qwen3.8 Max vs DeepSeek V4 Flash 0731: side-by-side summary

Qwen3.8 Max and DeepSeek V4 Flash 0731 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Qwen3.8 Max, from Qwen, has a 1,000,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.

DeepSeek V4 Flash 0731, from DeepSeek, has a 1,310,720-token context window and is priced at $0.04/M tokens input, $0.08/M tokens output on OpenRouter.

Context window

• Qwen3.8 Max: 1,000,000 tokens
• DeepSeek V4 Flash 0731: 1,310,720 tokens

Price

• Qwen3.8 Max: $2/M tokens input, $6/M tokens output
• DeepSeek V4 Flash 0731: $0.04/M tokens input, $0.08/M tokens output

Provided by

• Qwen3.8 Max: Qwen
• DeepSeek V4 Flash 0731: DeepSeek

• Qwen3.8 Max model details, providers and pricing
• DeepSeek V4 Flash 0731 model details, providers and pricing