Claude Opus 5 vs Nex-N2-Pro: side-by-side summary

Claude Opus 5 and Nex-N2-Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Opus 5, from Anthropic, has a 1,000,000-token context window and is priced at $5/M tokens input, $25/M tokens output on OpenRouter.

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.

Context window

• Claude Opus 5: 1,000,000 tokens
• Nex-N2-Pro: 262,144 tokens

Price

• Claude Opus 5: $5/M tokens input, $25/M tokens output
• Nex-N2-Pro: $0.25/M tokens input, $1/M tokens output

Provided by

• Claude Opus 5: Anthropic
• Nex-N2-Pro: nex-agi

• Claude Opus 5 model details, providers and pricing
• Nex-N2-Pro model details, providers and pricing