Nightbot is a chatbot. Alesha is a co-host.
Nightbot waits for !commands. Alesha actively talks with your viewers, translates foreign chat, and moderates in real time — like a second person in your stream.
What Nightbot does well
Nightbot is a reliable, free Twitch/YouTube chatbot that's been around forever — perfect for !commands and basic spam filtering.
- Genuinely free, forever — no paid tier
- Rock-solid uptime since 2012
- Simple !commands, timers, and song requests
- Used by hundreds of thousands of small Twitch streamers
We're not here to dunk on Nightbot. They're great at the above. Where Alesha wins: live AI conversation in chat. Read on.
Why streamers add Alesha
Real conversations, not !commands
Nightbot only speaks when triggered. Alesha actively reads chat, picks up context, and replies in character — like a warm co-host who's been on your stream for years.
Engage your global audience
If even 10% of your chat speaks another language, Alesha doubles your engagement. Nightbot has no translation. Alesha handles 14 languages out of the box.
See what's actually working
Alesha logs every message, donation, and language to a real dashboard. Per-stream breakdowns, language mix, engagement score, top chatters. Nightbot gives you nothing.
Feature comparison
Honest, line-by-line. Both products do plenty — here's exactly where each one wins.
| Feature | Alesha AI | Nightbot |
|---|---|---|
| AI-generated chat replies | GPT-4o persona-driven replies, 14 languages | Custom !commands only |
| Real-time chat translation | DeepL → chat + DM in 14 languages | |
| Severity-classified AI moderation | Severity-classified, multilingual | Regex spam filter + link blocker |
| Multi-platform support | YouTube + Twitch + Kick + TikTok | Twitch + YouTube only |
| Custom !commands | Starter+ plans | Unlimited, free |
| Loyalty / VIP rewards | ||
| Stream analytics dashboard | Per-stream + per-platform breakdowns | |
| AI voice readouts (TTS) | 9 voices, OBS overlay | |
| Persona / custom personality | Editable on Pro | |
| Pricing | Free → $9.99 → $24.99 | Always free |
Alesha pricing: Alesha's Free plan gets you 100 AI replies/month + unlimited translation and moderation. Paid plans start at $9.99/mo.
Nightbot: Nightbot is 100% free — no paid plan exists.
FAQ
Why pay for Alesha when Nightbot is free?+
If you only need !commands and a spam filter, Nightbot is fine — keep it. Pay for Alesha when you want AI replies that keep chat alive between callouts, translation for foreign viewers, and real moderation that catches harassment Nightbot's regex misses.
Can I use Nightbot and Alesha at the same time?+
Yes. Many streamers do this — Nightbot handles !commands and timers, Alesha handles AI replies, translation, and moderation. They run in parallel without conflict.
Does Alesha support Twitch + YouTube like Nightbot?+
Yes, plus Kick and TikTok. One Alesha account covers all four platforms.
Is there a free trial?+
Yes — the Free plan never expires. 100 AI replies/month, unlimited translation and moderation. No credit card required.
Ready to give your chat a co-host?
Free plan gets you 100 AI replies plus unlimited translation and moderation. No credit card required.