Synthesys
best deal
Try the Free Version with 120 Credits — Pricing Plans Currently Available at Discounted Rates
redeem nowWe start with direct ratings from our readers, then look at what real users are saying in practitioner forums and community spaces. We pair that with search demand data and profession-level persona analysis.
Editorial note: this was originally published in september of 2023
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based on real user feedback, community sentiment, pricing value, and fit for target audience. see our full methodology
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Synthesys is an AI-powered content creation platform that helps users generate videos, voiceovers, and images. It brings together several tools that make it easier to produce content without needing extensive technical skills or expensive equipment.
The platform offers over 300 voices in 140+ languages and more than 60 AI avatars to create voiceovers and videos. Users can make content for marketing campaigns, training materials, educational videos, and social media posts. The tool also includes face swapping, voice cloning, and the ability to turn text into talking avatar videos with precise lip-sync.
Aimed at marketers, content creators, and businesses, Synthesys offers different plans to suit different needs. The free version gives users limited access to test the basic features (without AI video options), while paid plans unlock more capabilities like custom avatars and voice cloning. Prices start at $20 monthly for the Personal plan, with options for creators and businesses who need more features.
The user-friendly interface makes it accessible for beginners, though some features take time to master. It can't replace human talent entirely, but it's a practical option for creating content at scale.
monthly search interest
390/mo now
Synthesys peaked hard in early 2023, almost certainly riding the initial wave of mainstream AI video excitement, then dropped 91% from that peak and has been sitting in a narrow band of 400 to 700 monthly searches ever since. That flat tail suggests a small retained user base rather than ongoing growth. The hype has fully passed, which means you're evaluating the real product now, not a viral moment, and the competition from HeyGen and Synthesia has only gotten stiffer since that peak.
Whether Synthesys is worth it depends heavily on what you're actually trying to produce and how much volume you need. Pick your role below to see whether the tool fits your situation.
overall sentiment
select your role to see what people like you are saying
Marketer/Campaign Manager
positiveIf you're producing promotional videos across multiple markets and don't have a production team, Synthesys gets you from script to finished video fast. The multilingual voice library is genuinely useful for localisation without hiring per-language talent. Watch the credit burn rate on longer videos, and verify commercial licence terms match your campaign usage before committing.
strengths
concerns
Content Creator/Freelancer
mixedSynthesys can expand what you offer clients, particularly into multilingual video and audiobook production. The problem is quality inconsistency: English voiceovers are solid, but some other languages produce robotic inflections that are hard to pass off as professional. Also, the Personal plan doesn't cover commercial delivery, so you're on the Creator tier at minimum, which changes the maths on whether this is actually cost-effective per client.
strengths
concerns
Small Business Owner
positiveIf you're making marketing or training videos in-house and the alternative is hiring a production company, Synthesys makes financial sense at the Personal tier. The interface is straightforward enough that you don't need a learning curve. The main risk is that the free trial credits are too limited to properly test your real use case before you buy.
strengths
concerns
Educator/E-Learning Developer
mixedSynthesys covers the basics for e-learning: talking-head avatar videos, voiceovers in multiple languages, and no video production skills required. For straightforward instructional content, it does the job. If your courses require varied emotional delivery or nuanced pacing, the limited tone customisation will show up as a quality gap that learners notice.
strengths
concerns
“At the Creator tier, you're paying a price that bumps up against HeyGen and Synthesia, both of which have stronger avatar libraries and a more established track record.”
Online reviews for Synthesys are genuinely positive relative to what you'd expect from an AI video platform at this price point. Across commercial review platforms, the tool sits at 4.3 to 4.5 stars, which is above average for this category. The consistent praise centres on voice quality and how quickly someone with no production background can get a usable video out the door. Multilingual support gets called out specifically as a strength. The third-party review coverage is thin, and most of it reads closer to affiliate marketing than independent evaluation, so take the glowing summaries with some scepticism. Where criticism does appear, it clusters around voice inconsistency across languages, occasional processing delays, and the credit system being harder to predict than a flat usage allowance.
The Personal plan at $20/month is worth it if you need occasional voiceovers or simple avatar videos and don't want to hire a voice actor. The 1,000 video credits and 50,000 voice characters per month are sufficient for light use. The Creator plan at $41/month (billed annually) is harder to justify unless you're producing UGC-style ads consistently, because at that price you're competing with Synthesia's starter tier, which has a stronger avatar library. The free version's 120 one-time credits are genuinely useful for testing, but they run out fast given that each credit equals one second of generation time.
Marketers and campaign managers who need quick multilingual promotional videos without a production budget get the most out of it. Small business owners who want to create training or marketing content in-house, without hiring anyone, are a strong fit too. Content creators and freelancers can use it to expand their service offerings into audiobooks and multilingual video, though they'll hit quality limitations on projects that need nuanced emotional delivery.
Voice quality is inconsistent across languages. English tends to come out clean; some other languages produce noticeably robotic inflections that you'd need to re-record or avoid entirely. The credit system is opaque enough that you can burn through your monthly allowance faster than expected, especially when generating longer videos. Emotional tone customisation is limited, which makes it unsuitable for narrative content or anything requiring a natural conversational register. The commercial licence on the Personal plan is restricted to non-commercial use, which matters if you're producing content for clients.
HeyGen has a larger avatar selection and more polished lip-sync output at comparable price points. If avatar video quality is the priority, HeyGen is the stronger pick. Synthesys has the edge on voice credit volume at the entry tier and is slightly simpler to navigate if you're new to the category. Choose Synthesys if you're primarily doing voiceover work or need a quick, cheap route into multilingual video. Choose HeyGen if the avatar realism matters and you're willing to pay for it.
Not on the Personal plan. The $20/month tier comes with a personal licence for non-commercial use only. If you're delivering content to paying clients, you need at least the Creator plan at $41/month billed annually to get commercial usage rights. That's a meaningful jump in cost, so factor it into your project pricing before you start a client job on the cheaper tier.
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