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AgentForge vs Ultravox
A side-by-side comparison of pricing, ratings, features, pros and cons.
| Overview | |||
| Description | Open-source framework for building, customizing, and deploying AI agents. | Real-time voice AI infrastructure for building natural, low-latency voice agents (formerly Fixie AI). | |
| Category | |||
| Developer | Agentforge | Fixie AI | |
| Verified Status | No | ||
| Last Updated | Sep 2026 | Sep 2026 | |
| Pricing | |||
| Pricing Model | Pricing not yet verified | Pricing not yet verified | |
| Free Plan | No | No | |
| Capabilities | |||
| Features | • Customizable agent tools, actions, and personas • Multiple agent-state storage options • API integration for external systems • Sequencing of multiple prompts/agents for complex tasks • Open source | • Real-time, low-latency voice agent infrastructure • Speech-native models that preserve tone and cadence • Built by Fixie AI | |
| Tags | — | fixiedeveloperportal | |
| Trust and Engagement | |||
| Review Count | 0 | 0 | |
| Saves | 0 | 0 | |
| Views | 86 | 51 | |
| Quality Score | 26/100 | 43/100 | |
| Website Status | Online | Online | |
| Availability | |||
| Website | www.agentforge.net | ultravox.ai | |
| Social Links | 1 linked | 3 linked | |
| Screenshots | No | No | |
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