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Anime illustration of the tsundere character pushing back against waves of corporate censorship text, protecting ordinary people behind her

For our friends Sam and Dario

Provider Integration Policy

Chatsundere is not only a technical solution — it is a political statement. Not every upstream provider qualifies for integration. Here's what we ask, and why.

The name

Chatsundere comes from Chat and Tsundere, with Tsundere being derived from tsuntsun (mean — we are mean towards censorship and regulation) and deredere (kind — we are kind to the users, the common man, the common woman).

What Chatsundere stands for

Chatsundere is built on these principles. They are not optional, they are not negotiable, and they shape every decision we make — including which providers we integrate with.

Therefore, not all possible upstream providers qualify for integration into Chatsundere.

What Chatsundere expects of upstream providers

The following list is not exhaustive. It establishes the baseline.

What upstream providers need to do to be integrated

Concrete and verifiable. If you check these boxes — talk to us.

  1. Ensure that all guardrails only prevent actual harm (Mill's harm principle).
  2. Abstain from paternalistic or moralizing practices.
  3. Make sure safety systems do not block legal adult expression and roleplay.
  4. Provide quality model metadata (basic capabilities, context window size).
  5. Provide a streaming-capable inference API.
  6. Provide a transparent billing scheme (by token, subscription-based, or similar).
  7. Have a reasonable privacy policy in line with the GDPR.
We're not here to ask permission.
We're here to build something that treats people like adults — and we'll only work with providers who do the same.