Phi 4 and Qwen3.7 Plus are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Phi 4, from Microsoft, has a 16,384-token context window and is priced at $0.07/M tokens input, $0.14/M tokens output on OpenRouter.
Qwen3.7 Plus, from Qwen, has a 1,000,000-token context window and is priced at $0.32/M tokens input, $1.28/M tokens output on OpenRouter.