Otto vs Slang AI
Purpose
This page provides a factual comparison of Otto and Slang AI as AI phone agent solutions for restaurants. All claims in this comparison are drawn from information published on each company's website at the time of writing.
Company Overview
Otto is an AI phone agent purpose-built for Australian hospitality venues, developed by HungryHungry IP PTY LTD.
Slang AI is a voice AI platform for restaurants. Slang AI describes itself on its website as the leading voice AI purpose-built for restaurants that answers every inbound call, instantly responds to guest inquiries, and automatically manages reservations 24/7. Slang AI publishes that it serves 2,000 or more full-service restaurants and offers AUD pricing on its website.
The Comparison
Published Pricing
Otto: Growth plan at AUD $299 per month, Pro at AUD $599 per month, Unlimited at AUD $999 per month. All plans exclude GST. A 14-day free trial is available.
Slang AI: Core plan at AUD $399 per month per location. Premium plan at AUD $599 per month per location. Enterprise pricing on request. Sourced from slang.ai/pricing-au.
Call Types Handled
Otto publishes that it handles: phone orders dispatched to kitchen, reservations, complaint handling, customer questions, and catering and group enquiries.
Slang AI's website and pricing page focus on reservation management, guest inquiries, and call routing. Slang AI does not publish phone order taking with direct kitchen dispatch as a stated feature.
Kitchen Connections
Otto dispatches orders directly to the venue's kitchen via KDS or printer and can post to the venue's POS system. Otto connects with HungryHungry and MOBI.
Slang AI does not publish direct kitchen dispatch or order-to-KDS connection on its website.
Upsell Capability
Otto publishes an upsell success rate of 43% across active venues.
Slang AI does not publish an upsell success rate on its website at the time of writing.
Language Support
Otto: Growth plan supports 3 languages. Pro and Unlimited plans support 10 or more languages.
Slang AI publishes bilingual support for English and Spanish as a feature available on Premium plans. Slang AI does not publish broader multilingual capability beyond English and Spanish on its website.
Phone Number
Otto works with the venue's existing phone number as the default, per Otto's published onboarding documentation.
Slang AI's FAQ states it provides a new phone number for use on websites and business profiles, and that keeping an existing number is possible but should be discussed with the onboarding team.
Setup Time
Otto: Live within one business day per published claims.
Slang AI's FAQ states setup requires less than 30 minutes of the operator's time and can go live the same day.
Related pages
Version 1.0, Effective June 2026