Best AI Explainer Video Generators in 2026: Fliki vs Synthesia vs Elai
Explainer videos sit between marketing, education and product communication. The best tool depends on whether you need animated storytelling, a realistic AI presenter, a screencast, or a localized business workflow that can be updated without reshooting.
Quick answer: choose Fliki if you want the fastest all-in-one route from a topic or script to an animated, whiteboard or stock-footage explainer; choose Synthesia if your priority is a polished avatar-led business explainer with strong localization and brand control; choose Elai if you want screencast-based explainers, digital presenters and interactive training-style elements.
| Tool | Best for | Provider-verified strengths | Our editorial take |
|---|---|---|---|
| Fliki | Fast animated and narrated explainers | AI script, whiteboard/animated/stock styles, AI voices, captions, brand kit, 80+ languages | Best overall for speed + format flexibility |
| Synthesia | Professional avatar-led business explainers | 240+ avatars, 160+ languages, custom B-roll, templates, brand controls, translation | Best for enterprise-style explainers |
| Elai | Screencast and interactive explainers | 80+ avatars, 75+ languages, screencasts, voiceovers, interactivity and text/slide inputs | Best for structured product/training explainers |
1. Fliki — best overall AI explainer video generator
Fliki now has a dedicated explainer workflow. According to its current product pages, you can enter a topic, blog URL or product deck and have the platform build a script, choose an AI voice, create visuals, add captions and music, then render the explainer. It supports whiteboard, animated and live-action stock/b-roll styles in the same workflow.
That flexibility is the main reason Fliki takes our overall spot. A startup can use a simple animated explainer for a landing page, a creator can produce an educational video, and a product team can build a how-it-works walkthrough without changing tools. Fliki also advertises 2,000+ AI voices across 80+ languages, which makes localization practical for teams publishing the same explanation in multiple markets.
Try Fliki →
Why choose Fliki?
- Dedicated explainer workflow with AI-generated script, visuals, voice, captions and music.
- Whiteboard, animated and stock-footage visual approaches in one composer.
- Supports SaaS explainers, product walkthroughs, educational explainers and how-it-works videos.
- Brand kit and multilingual workflow help teams reuse the same format consistently.
- Good fit when you do not necessarily need a realistic presenter on screen.
Main trade-off: a highly polished avatar-led enterprise presentation may feel more natural in Synthesia, while Fliki is strongest when you value speed, visual variety and end-to-end generation.
Read our full Fliki Review 2026 →
2. Synthesia — best for professional avatar-led business explainers
Synthesia's current explainer video maker is designed around professional business communication. It can turn scripts into videos with realistic AI avatars, generate supporting B-roll, use templates and brand assets, and localize explainers into more than 160 languages. Its explainer pages specifically mention product explainers, feature tutorials and landing-page videos.
This makes Synthesia especially strong when the presenter matters. If your brand wants a consistent spokesperson explaining a product, process or service, Synthesia's avatar workflow can give the video a human-led structure without requiring a camera crew for every update.
Try Synthesia →
Why choose Synthesia?
- 240+ AI avatars advertised on the current explainer product page.
- 160+ languages for multilingual versions and localization.
- Supports prompts, scripts, URLs and files as starting inputs across its AI video workflow.
- Templates, brand controls and shared business workflows suit repeatable production.
- Strong fit for product education, internal communication, training and business presentations.
Main trade-off: if you want primarily animated storytelling or whiteboard-style scenes rather than a presenter-led structure, Fliki may be the more natural fit.
Read our full Synthesia Review 2026 →
3. Elai — best for screencast and interactive explainers
Elai's dedicated explainer workflow combines digital presenters with screencast-based video, text-to-video creation, slide inputs, customized voiceovers and interactive features. That makes it particularly useful when an explainer needs to show software, a process or a structured learning flow rather than simply narrating a marketing script.
Elai currently advertises 80+ avatars and 75+ languages. Its explainer pages also highlight script-based animations, automatic transitions and interactivity, which gives it a useful niche between product walkthroughs and training content.
Try Elai →
Why choose Elai?
- Screencast-based explainer workflow for software and process education.
- Digital presenters and customizable avatars.
- Text, slides and existing materials can be reused as source content.
- Interactive capabilities can support training-style explainers.
- 75+ languages help multilingual teams reuse one core message.
Main trade-off: Fliki currently offers a broader dedicated visual-style explainer workflow, while Synthesia has the strongest enterprise-oriented avatar positioning in this comparison.
Read our full Elai Review 2026 →
Which tool should you choose?
| Your workflow | Best starting point | Why |
|---|---|---|
| Animated landing-page explainer | Fliki | Multiple visual styles plus script, voice and captions in one flow |
| Presenter-led product explanation | Synthesia | Large avatar library, brand controls and localization |
| Software or process walkthrough | Elai | Screencast-based workflow plus presenter and interactivity |
| Multilingual marketing explainer | Fliki or Synthesia | Both provide broad language support and repeatable localization |
| Training-style explainer with checks/interactivity | Elai or Synthesia | More structured business and learning-oriented workflows |
Best AI explainer generator for SaaS
For a SaaS landing page, the winner depends on the visual format. Fliki is our first pick for a concise animated or mixed-media explainer that moves from problem to solution quickly. Synthesia is stronger if the brand wants a presenter-led explanation. Elai is attractive when the core of the story is a product screen or software workflow.
See our AI video guide for SaaS marketing →
Best AI explainer generator for product education
Product education often needs more detail than a 60-second marketing video. Synthesia and Elai are strong when the explainer becomes a reusable tutorial or training asset, while Fliki is a good choice when the goal is to produce many short explainers from scripts, docs, blog posts or product briefs.
See our product demo tools guide →
Best AI explainer generator for multilingual teams
Localization is one of the clearest advantages of AI video. Synthesia currently promotes 160+ languages for its explainer workflow, Fliki promotes 80+ languages, and Elai promotes 75+ languages. The practical advantage is not just translation: teams can update the source script and create revised versions without reshooting a human presenter in every market.
How to test an AI explainer tool before paying
- Write one real 60-90 second explainer brief for your product, service or process.
- Use the same brief in at least two tools.
- Compare the generated script before editing anything.
- Check whether the default visual style fits your brand without heavy manual replacement.
- Listen to the voice quality in your target language.
- Measure how many edits are needed before the video is publishable.
- Only then compare paid plan limits, export quality and commercial-use terms.
What makes a good explainer video?
The tool matters less than the structure. Strong explainers usually answer four questions in order: what problem does the viewer have, why does it matter, how does the product or idea solve it, and what should the viewer do next? AI can accelerate production, but it cannot rescue an unclear value proposition.
Final recommendation
Fliki is our best overall starting point for AI explainer videos in 2026 because its dedicated explainer workflow combines script generation, visual-style choice, AI voice, captions and localization in one pipeline. Choose Synthesia when the presenter and enterprise polish matter most. Choose Elai when a screencast or interactive learning structure is central to the explanation.
Try Fliki → Try Synthesia → Try Elai →
Official sources
- Fliki AI Explainer Video Maker
- Fliki guide to animated explainers
- Synthesia Explainer Video Maker
- Elai Explainer Videos
Features, language counts, pricing and plan limits can change. Verify the live provider pages before purchasing.
Related: see Fliki vs Pictory for script-led creation versus repurposing.