GPT-5.6 Luna Pro vs Nex-N2-Mini: side-by-side summary

GPT-5.6 Luna Pro and Nex-N2-Mini are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-5.6 Luna Pro, from OpenAI, has a 1,050,000-token context window and is priced at $0.20/M tokens input, $1.20/M tokens output on OpenRouter.

Nex-N2-Mini, from nex-agi, has a 262,144-token context window and is priced at $0.025/M tokens input, $0.10/M tokens output on OpenRouter.

Context window

• GPT-5.6 Luna Pro: 1,050,000 tokens
• Nex-N2-Mini: 262,144 tokens

Price

• GPT-5.6 Luna Pro: $0.20/M tokens input, $1.20/M tokens output
• Nex-N2-Mini: $0.025/M tokens input, $0.10/M tokens output

Provided by

• GPT-5.6 Luna Pro: OpenAI
• Nex-N2-Mini: nex-agi

• GPT-5.6 Luna Pro model details, providers and pricing
• Nex-N2-Mini model details, providers and pricing