Seed-2.0-Code and Llama Guard 4 12B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Seed-2.0-Code, from bytedance-seed, has a 262,144-token context window and is priced at $0.50/M tokens input, $3/M tokens output on OpenRouter.
Llama Guard 4 12B, from Meta Llama, has a 163,840-token context window and is priced at $0.18/M tokens input, $0.18/M tokens output on OpenRouter.