Back to Compare
Hive
Ultravox vs Hive
A side-by-side comparison of pricing, ratings, features, pros and cons.
| Overview | |||
| Description | Real-time voice AI infrastructure for building natural, low-latency voice agents (formerly Fixie AI). | An open-source multi-agent framework with auto-generated graphs, evolution loops, and MCP integration. #opensource | |
| Category | |||
| Developer | Fixie AI | aden-hive | |
| Verified Status | No | No | |
| Last Updated | Sep 2026 | Sep 2026 | |
| Pricing | |||
| Pricing Model | Pricing not yet verified | Open Source | |
| Free Plan | No | Yes | |
| Open Source | — | Yes | |
| Capabilities | |||
| Features | • Real-time, low-latency voice agent infrastructure • Speech-native models that preserve tone and cadence • Built by Fixie AI | • Graph-based (DAG) execution harness that coordinates multiple specialized agents concurrently • Persistent, role-based memory that evolves with project context • Zero-setup runtime with support for custom/pluggable underlying LLMs • Built for production use: fault tolerance, state observability, human-in-the-loop control, cost limits • General compute and browser-use support via a native extension • Open source, positioned specifically for business workflows rather than personal agent use | |
| Tags | fixiedeveloperportal | hiveframeworkopen-sourcemulti-agent | |
| Trust and Engagement | |||
| Review Count | 0 | 0 | |
| Saves | 0 | 0 | |
| Views | 53 | 98 | |
| Quality Score | 43/100 | 70/100 | |
| Website Status | Online | Online | |
| Availability | |||
| Website | ultravox.ai | github.com | |
| Social Links | 3 linked | 3 linked | |
| Screenshots | No | Yes | |
| Reviews | |||
| Pros | — | • Free to use | |
Ready to Try These Tools?
Screenshots
HiveAlternatives to Consider
Frequently Asked Questions
Both tools are closely matched on rating — the better fit depends on your specific needs. See the full feature and pricing comparison above.
You can compare up to 4 tools — use "Add Tool" in the table above.
Disclosure: AlverHub may earn a commission if you sign up for a tool through a link on this page, at no additional cost to you. This never affects which tools we list or how we describe them — our recommendations are based on real, documented data and our published scoring methodology.