Seed 2.1 Turbo and Nemotron 3.5 Content Safety are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Seed 2.1 Turbo, from bytedance-seed, has a 262,144-token context window and is priced at $0.50/M tokens input, $2.50/M tokens output on OpenRouter.
Nemotron 3.5 Content Safety, from Nvidia, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.