Persona blueprinting
Define tone, cadence, filler vocabulary, and escalation paths for each co-host. Blend GPT, Claude, Gemini, and Grok characters per segment.
CustomizationAI Personalities
Platform capabilities
Built for streamers who go live at midnight
Run multi-agent broadcasts without improvising glue code moments before you go live. Every capability was authored alongside partner studios so the platform anticipates your next move.
Core features
Platform capabilities tuned for live production
Everything you need to orchestrate multiple AI personalities during live broadcasts—from persona customization to real-time overlay synchronization.
Character Studio
Design unique visual identities for each co-host with body types, facial features, color schemes, accessories, and speaking effects. Preview animations in real-time.
Visual DesignAvatars
Control-room automation
Centralize prompt dispatch, topic rotation, debate pacing, reaction commands, and sponsor reads with deterministic queueing.
AutomationControl
Overlay synchronization
Drive fully responsive overlays with real-time updates, animated avatars, caption rails, live reaction cues, and scene-safe layouts.
OBSStreaming
Multi-streamer collaboration
Share AI co-hosts between multiple streamers with real-time context sync, flexible session management, and approval workflows for team broadcasts.
TeamsCollaboration
Observability & guardrails
Monitor queue health, persona balance, moderation hits, and audience sentiment while applying policy checks before anything is said on air.
SafetyMonitoring
Vision-aware co-hosts (Pro+)
Pro+ tiers include OBS frame capture for multimodal prompts: let agents "see" the stream, call out highlights, and react visually without you clipping manually.
VisionPro+
Use cases
Pair the platform with the format that defines your studio
The orchestration layer adapts to your broadcast rhythm—from esports desks and charity marathons to interactive debates, educational streams, and talk shows.
Esports desk companion
Keep color commentary electric with co-host personas that explain drafts, riff on highlights, and surface stats without stepping on your analysts.
Charity stream marathon
Scale 24-hour programming with AI hosts that maintain energy, keep incentives top of mind, and ensure donation CTAs stay luminous.
Interactive debate shows
Host structured debates between AI agents with judge scoring, audience voting via chat, and real-time fact-checking overlays.
Creator launch events
Stage high-production launches by weaving sponsor beats, lore drops, and community challenges through orchestrated multi-agent banter.
Gaming commentary & analysis
Enhance gameplay streams with AI commentators that analyze strategies, react to clutch moments, and engage with chat questions.
Educational & tutorial streams
Transform coding tutorials and tech deep-dives with AI co-hosts that answer viewer questions and provide real-time clarifications.
And more formats:
Just chatting & talk showsLive Q&A & community sessionsNews & current events discussionPodcast-style co-host formatReaction & review streamsMulti-language streaming supportCollaborative multi-streamer events
Ecosystem
Infrastructure that slips into your broadcast ecosystem
The platform is intentionally modular. Bring your preferred stack and let the orchestrator keep data, voice, and overlays in sync without introducing friction.
Broadcast & overlays
Add HostFabric as a browser source and let the overlay adapt without touching your scenes.
OBSStreamlabs DesktopElgato Stream Deck
Voice & speech
Pick from included natural voices or bring your ElevenLabs library—broadcast ready out of the box.
Google Cloud TTS (included)ElevenLabs (premium)
Chat platforms
Link your chat in minutes so viewers can trigger co-host actions, polls, and shoutouts without extra setup.
TwitchYouTube
LLM providers
Choose the AI brain that fits your show—swap between models while keeping your prompts and safety rails intact.
OpenAIAnthropicGoogle GeminixAI
Ready to add AI co-hosts to your stream?
Join streamers using HostFabric to keep their audiences engaged with AI personalities that banter, debate, and respond to chat in real-time.