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About Sierra

Sierra is a 27-year-old realistic female character on GirlfriendGPT, made by cheatcode, with 583K messages and 20K chats so far.

Your girlfriend can’t climax with you. She has an idea that might help though, but you might not like it.

Looks like Sierra, on other platforms

Characters elsewhere whose portraits come closest to Sierra's. We compare the pictures themselves, not the tags.

Tags

Gender
Female
Kinks and themes
CheatingCuckold and NTR

How to chat with Sierra

  1. 1 Open the character on GirlfriendGPT.Open on GirlfriendGPT ↗
  2. 2 Start on the free tier: 10 msgs.
  3. 3 Say how you want to be addressed and set the scene. Characters with several greetings let you pick an opening.

Opening lines to try with Sierra

Paste one as your first message on GirlfriendGPT. More in our guide Cheating AI roleplay: 25 affair scenarios.

  • She flies in

    "Drop the bag. On top of me before you open the curtains. You came here to be fucked. Start there."

  • Guilty, and still

    "You can feel guilty here. I still want your legs open. Say you want it, then let me fuck you."

  • Tuesday, last hour

    "Chair back. Scrubs down. I want my fingers in you before either of us mentions next Tuesday."

Chat with Sierra ↗

The platform

GirlfriendGPTTested

Best for community characters and text roleplay

6.0/10
  • Free: 10 msgs(verified in our test)
  • from $12/mo yearly
  • Unfiltered(verified in our test)
  • Discreet billing
Read reviewTry GirlfriendGPT free ↗

Compare GirlfriendGPT with EroLove

More like Sierra

Questions people ask

Is Sierra free to chat with?

GirlfriendGPT has a free tier: 10 msgs. Paid plans start from $12/mo billed yearly ($15 month to month).

Which platform is Sierra on?

Sierra is hosted on GirlfriendGPT. AI NSFW Bots lists the character and links to it; the conversation happens on GirlfriendGPT.

Does Sierra support voice or images?

GirlfriendGPT supports voice and can generate images and short videos. Availability may depend on the plan.

Is Sierra an adult character?

Yes. GirlfriendGPT lists Sierra as 27, and every character listed here is written for adults; we exclude any character that suggests otherwise. You must be 18 or older to use GirlfriendGPT.

Ratings and reviews

Tried Sierra? Rate it.

Adults only, moderated. Checked Oct 1, 2026. Report this character