Separate outreach from enablement before you compare tools. HeyGen is the safer starting point for personalised prospect videos, while Synthesia and Colossyan usually fit better when the deliverable is internal training.
Do the cost maths by finished usable minute, not exported minute. Sales videos often need retakes for names, product phrasing, compliance language and pronunciation, so a cheap plan can get expensive once credits or minutes are spent.
Check interactivity before you commit. Quizzes, branching scenarios and roleplay matter for objection handling and discovery-call practice, but they add build time and may require higher-tier plans or SCORM support.
Test localisation with a real sales script. Translation demos can look good, but sales copy exposes awkward phrasing, brand terms and mouth-sync issues faster than a generic training paragraph.
Match the tool to your systems. CRM, Zapier, Make, LMS, SCORM, SSO and brand-kit support can save time, but only if your team will use those workflows rather than exporting one-off MP4 files.
Watch the word “unlimited”. DeepBrain AI advertises unlimited AI videos on paid self-serve plans, but duration, priority limits and separate generative credits still affect real production capacity.