Full-stack voice ownership avoids latency and reliability issues of stacked third-party APIs
Compliance certifications fit regulated-industry procurement requirements out of the box
Long operating history (as Gridspace, since 2012) predating the current wave of voice AI startups
Cons
Among the higher entry prices in this category
Regulated-industry focus matters less for less-compliance-sensitive businesses
European origin may mean less North American-specific support infrastructure than domestic competitors
Recent rebrand from Gridspace to Guava may confuse buyers researching the older name
No public pricing; the site directs prospects to book a demo
Code-based integration requires more engineering effort than no-code voice-agent builders
Company
Boost.ai, founded 2016
Gridspace, founded 2012
Prices come from each vendor's pricing page, last checked 20260718. Check the vendor before you buy.
FAQ
Questions people ask
Is Boost.ai better than Guava?
In our reviews Boost.ai scores 4.1 and Guava scores 4.1. The better pick depends on the job. Boost.ai: Governance-first conversational AI built specifically for regulated industries. Guava: A voice agent API built for regulated industries like healthcare, banking, and insurance.