Compare AI models
Cost and benchmarks side by side
HeyGen Interactive Avatar vs Synthesia
| Cost of talking | ||
| Per minute | $0.500Estimate | Not conversational |
| Per hour | $30.00 | n/a |
| 30 min interview | $15.00 | n/a |
| List price | $0.5/minEstimate | Plan-basedEstimate |
| Recruitment fit | ||
| Overall | 72/100 | 55/100 |
| Verdict | Good for employer-brand content, weaker as a live interviewer than Tavus. | Excellent for onboarding and policy video; structurally unable to do live screening. |
| Best for | Employer-brand videoMultilingual job adsOnboarding content | Onboarding modulesCompliance trainingCareers-page brand film |
| Watch out for |
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| What it animates | ||
| Coverage | ||
| Face | Full | Full |
| Lip-sync | Full | Full |
| Upper torso | Full | Full |
| Hands | Partial | Partial |
| Full body | Partial | Full |
| Prompt artifacts | None | None |
| Capabilities | ||
| Modalities | avatar, video | avatar, video |
| Context window | n/a | n/a |
| Variants | Interactive, Studio (rendered) | Studio |
| On Humanlike | Not yet | Not yet |
| Published benchmarks | ||
| Lip-sync accuracy | 92%Estimate | 94%Estimate |
| Utterance-to-utterance latency | 1200 msEstimate | minutesEstimate |
Cost per hour assumes 150 words a minute and a 40% AI speaking share. Hover a figure for how it was derived.