Summon
Pick a creature, voice, and personality in minutes.
The co-hosting platform for cinematic streams
Your AI Co-Host,
Your Personality
Create a unique AI character for your stream in seconds. Build a mythic companion with voice, personality, and production-ready controls.
OBS-ready overlays
Paste one URL, done
Sub-second voice
Natural TTS delivery
Safety controls
Instant override
38%
Chat engagement lift*
92%
Sponsor read rate*
45 min
Prep time saved*
Powered by
Works with
Twitch
YouTube
Kick
OBS
Streamlabs
Now casting
Astra Phoenix
Voice: Lumen · Mode: Broadcast
Create Your Character
Design Your AI Co-Host
Pick a creature, customize their look, and test their voice. Your creation saves automatically when you sign up.
How it works
Three steps to a legendary stream.
Summon, direct, and broadcast. Control every beat from intro to outro.
Direct
Guide tone, overlays, and chat triggers from Control Room.
Broadcast
Co-hosts speak live with studio-grade timing and polish.
Why streamers love HostFabric
Multiple AI personalities
Choose from ChatGPT, Claude, Gemini, or Grok to match your stream's vibe.
Real-time voice synthesis
Studio-quality TTS with 40+ voice packs that sound natural on air.
Production-ready controls
Mute, override, and manage your AI co-host live from Control Room.
Why streamers choose HostFabric
See how AI co-hosting compares to going it alone
| Feature | Solo streaming | Basic chatbots | HostFabric |
|---|---|---|---|
| Dead air handling | You handle it | N/A | AI fills gaps naturally |
| Chat responses | You answer everything | Text only | Voice + animated avatar |
| Setup time | N/A | Hours of scripting | 60 seconds |
| Brand identity | Just you | Generic bot | Custom characters |
| Personality | Yours only | Scripted responses | GPT, Claude, Gemini, Grok |
Common questions
Everything you need to know about AI co-hosting
It's your choice! With BYOK (Bring Your Own Keys), you use your own API keys for unlimited usage. Or choose a Platform tier and we handle everything—no API keys needed, just pick your co-hosts and go.
Sub-150ms for voice synthesis. Your AI co-host responds in real-time, keeping pace with live chat and conversation. No awkward delays or robotic pauses.
You're always in control. Instant mute, content filters, and topic restrictions keep your stream safe. Plus, you can override or redirect any response in real-time from the Control Room.
Twitch, YouTube, and Kick for chat integration. OBS and Streamlabs for overlays—just paste a browser source URL. Works with any streaming setup.
Start free with 100 messages to try it out. Creator tier is $15/mo for unlimited messages with your own keys, or Platform tiers start at $19/mo if you want us to handle the API setup.
Simple, transparent pricing
Start free, upgrade when you're ready
Most popular
Creator
$15/month
For growing streamers
- Unlimited messages (BYOK)
- Unlimited characters
- 40+ premium voices
- Priority support
Pro
$49/month
For serious creators
- Everything in Creator
- Team collaboration
- Custom branding
- Advanced analytics
Ready to go live
Ready to level up your stream?
Create your character above, then sign up to bring them to life. Your AI co-host delivers unforgettable moments while you focus on content.
Launch kit
Show blueprint included
Templates, voice packs, and automation cues you can deploy in a single session.
60ssetup
14templates
40+voices