DeepSeek V4 Flash 0731 vs Nex-N2.5-Pro: side-by-side summary

DeepSeek V4 Flash 0731 and Nex-N2.5-Pro 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 $0.05/M tokens input, $0.16/M tokens output on OpenRouter.

Nex-N2.5-Pro, from nex-agi, has a 262,144-token context window and is priced by the provider serving it on OpenRouter.

Context window

• DeepSeek V4 Flash 0731: 1,310,720 tokens
• Nex-N2.5-Pro: 262,144 tokens

Price

• DeepSeek V4 Flash 0731: $0.05/M tokens input, $0.16/M tokens output
• Nex-N2.5-Pro: Pricing varies by provider

Provided by

• DeepSeek V4 Flash 0731: DeepSeek
• Nex-N2.5-Pro: nex-agi

• DeepSeek V4 Flash 0731 model details, providers and pricing
• Nex-N2.5-Pro model details, providers and pricing