Service examples: CharacterAI, NovelAI, or APIs like Claude.
Model examples: Open-source models like meta-llama/Llama-2-7b-hf or mistralai/Mistral-7B-v0.1.

Does the service or model explicitly support NSFW content? For services, unofficial jailbreaks do not count.

Does the service or model have a known jailbreak that enables NSFW content?

Does the service offer a meaningful free tier?

Does the service offer a meaningful free tier for NSFW content? Many services hide NSFW behind a paywall.

Does the service let users create their own characters or role-playing scenarios?

Does the service offer image generation?

Does the service offer speech generation (TTS)?