Nex-N2.5-Pro and Qwen3.8 27B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Nex-N2.5-Pro, from nex-agi, has a 262,144-token context window and is priced by the provider serving it on OpenRouter.
Qwen3.8 27B, from Qwen, has a 1,000,000-token context window and is priced at $0.15/M tokens input, $2/M tokens output on OpenRouter.