Nex-N2-Pro vs GPT-5.6 Sol: side-by-side summary

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

Nex-N2-Pro, from nex-agi, has a 262,144-token context window and is priced at $0.25/M tokens input, $1/M tokens output on OpenRouter.

GPT-5.6 Sol, from OpenAI, has a 1,050,000-token context window and is priced at $2/M tokens input, $10/M tokens output on OpenRouter.

Context window

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

Price

• Nex-N2-Pro: $0.25/M tokens input, $1/M tokens output
• GPT-5.6 Sol: $2/M tokens input, $10/M tokens output

Provided by

• Nex-N2-Pro: nex-agi
• GPT-5.6 Sol: OpenAI

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