GPT-5 Codex and Qwen3 Coder 30B A3B Instruct are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GPT-5 Codex, from OpenAI, has a 400,000-token context window and is priced by the provider serving it on OpenRouter.
Qwen3 Coder 30B A3B Instruct, from Qwen, has a 262,144-token context window and is priced at $0.07/M tokens input, $0.27/M tokens output on OpenRouter.