Choosing the Right AI Video Generator: Saltfish.ai vs Synthesia

AI-powered video platforms are changing how businesses create content. Saltfish.ai and Synthesia are two leading AI video generators that let you produce talking-avatar videos from text. Synthesia is a popular, enterprise-focused tool used by over 50,000 teams, offering 230+ virtual avatars and 140+ languages. Saltfish.ai is a newer interactive video platform designed to embed video “touchpoints” in your website or app to guide and engage users. Both use AI avatars, but they serve different goals. Saltfish.ai focuses on on-site engagement, onboarding, and conversions, while Synthesia focuses on creating polished training or marketing videos. In this article, we’ll compare features, customization, integrations, and support for each tool. We’ll highlight how Saltfish.ai’s no-code video flows and analytics help keep visitors on your site and convert them, and briefly mention other alternatives like HeyGen, D-ID, and DeepBrain AI. By the end, you’ll see which platform fits your needs – whether you need an engaging embedded tutorial or a high-quality AI video.

Keywords: AI video generator, AI avatar, free AI video generator, product-led onboarding, no-code onboarding videos, website engagement tool, interactive video platform

Why Saltfish.ai is More Than Just an AI Video Generator

Saltfish.ai is an interactive AI video platform built for websites and SaaS products. It lets you embed short AI avatar videos at key “video touchpoints” in your product funnel (e.g. landing page welcome videos, in-app tutorials, or feature highlights). It’s aimed at marketers and product teams who want to grab customers’ attention, convert visitors, and onboard more effectively and naturally with face-to-face style videos. Saltfish.ai’s interface is completely no-code: you simply pick or create an AI avatar, write a script, and generate a video in seconds. You can then use the Flow Builder to string videos into interactive flows with branching logic (e.g., different videos based on user input). These flows can include clickable Calls to Action (CTAs) and lead-capture forms.

Key strengths of Saltfish.ai include its deep focus on engagement and conversion: it explicitly tracks site analytics (views, watch time) and even offers session replays and advanced analytics on higher plans. For example, customers report up to a 16% lift in conversions and 4× faster onboarding when using Saltfish.ai videos. Overall, Saltfish.ai’s no-code builder, embedded video widget, and onboarding flow focus make it ideal for keeping users on your site and guiding them to action.

Synthesia: Professional AI Avatars for Polished Video Content

Synthesia is a veteran AI video creation platform aimed at corporate and marketing use. It provides a drag-and-drop editor where you type in your script, choose from a library of 230+ realistic avatars, and generate a video in minutes. Synthesia is known for its breadth of features: it supports 140+ languages and lets you clone your own voice or avatar on higher plans. Its strength is producing polished, standalone videos – for example, multilingual training modules or marketing clips. Synthesia boasts over 1 million users and is rated 4.7/5 on G2, reflecting its ease of use and high production quality.

On the feature side, Synthesia offers AI dubbing (voice translation) in 29+ languages, screen recording, template-based editing, and team collaboration tools. It even has new “Interactivity” and translation features for videos. However, these videos are essentially linear, meaning users watch them passively. Synthesia lets you embed the finished videos anywhere (or integrate into LMS/training systems), but it doesn’t natively create interactive on-site flows. Pricing-wise, Synthesia offers three plans. The Starter plan starts around $18/month (for 120 min/year) and goes up (a Creator plan with 30 min/month is ~$89/mo). And Enterprise pricing is custom. In summary, Synthesia’s biggest pros are its large avatar library, multi-language support, and enterprise-grade features, while its cons include video length limits on plans and a lack of interactive, on-page user flows (its focus is on off-platform video creation).

Direct Comparison: Which AI Video Tool Wins?

Features & Customization

Video Creation: Both platforms convert text into video, but in different ways. Saltfish.ai’s strength is speed and interactivity: you get a fully produced avatar video in seconds, and you can chain multiple videos together with branching logic. Saltfish’s editing process is very simple: just change the text and regenerate. Synthesia’s editor is more robust: it includes templates, screen recording, and an AI script assistant. You can also add subtitles or translate your script to multiple languages in one click. This makes Synthesia great for polished marketing or training videos. However, Saltfish.ai has unique customization: its Flow Builder lets you point and highlight on-screen elements, add forms/buttons, and create conditional paths, features Synthesia lacks.

Interactivity: This is where Saltfish.ai shines. Every Saltfish video can include interactive elements (like “Next” buttons, links, or forms) and branch to different videos based on user responses. You can, for example, greet new visitors with a quick intro video and then guide them through signup flows with follow-up videos. Synthesia videos are mostly linear by nature; although they recently added a simple “Interactivity” player (allowing clickable hotspots), they don’t offer true multi-path flows. In short, Saltfish.ai is built for two-way engagement, whereas Synthesia is built for one-way communication.

Ease of Use & Integration

No-Code Interface: Both tools are designed for non-technical users. Saltfish.ai’s interface is straightforward: pick an avatar, paste your text, and click generate. Its Flow Builder is drag-and-drop. You don’t need programming skills at all. Synthesia likewise lets you type or paste text and choose options from menus. Users report that Synthesia’s UI is very user-friendly.

Embedding and Workflow: Integrating Saltfish.ai is as simple as adding a snippet of code to your website or app – no deep engineering required. Once embedded, your interactive videos appear natively in your product. Synthesia, on the other hand, integrates by embedding a video player or exporting a video file. It also offers API and direct LMS integrations for corporate training. For example, Synthesia’s FAQ notes that its videos “integrate effortlessly with your existing LMS”. But you can’t easily embed a Synthesia video that branches on your website like with Saltfish.ai.

Collaboration & Onboarding: Both platforms support teamwork. Synthesia has features like shared workspaces, live commenting, and enterprise onboarding managers. Saltfish.ai, being newer, has more basic collaboration (multiple users can build flows) and helpful docs, but it emphasizes quick deployment over enterprise processes. Saltfish.ai’s simplest onboarding flow gets your first video live in minutes.

Support & Resources

Synthesia, being a mature platform, provides extensive support. It has an Academy of tutorials, on-demand live training, and priority support lines for paying customers. Enterprise customers even get a dedicated Customer Success Manager and onboarding assistance. Saltfish.ai is newer, so its documentation is lighter. However, Saltfish.ai’s team offers responsive email/chat support and even allows you to “see Saltfish on your site” with a quick trial setup, Saltfish being  a newer player in the AI video space, Saltfish.ai takes customer support seriously. The team treats every client as a priority, offering fast, personal assistance and guidance to ensure users get the most out of the platform. From onboarding help to troubleshooting and creative advice.

Which is the best AI video tool?

For website engagement and product-led growth, Saltfish.ai has the edge. Its interactive, no-code video flows are tailored to keep visitors on your site longer and guide them through signup, feature tours, or pricing pages. Saltfish.ai’s focus on website engagement rate and driving conversion makes it an excellent Synthesia alternative for users onboarding and marketing teams. Conversely, if your primary need is producing off-site training or marketing videos (especially in many languages) and you value a huge avatar library and enterprise workflows, Synthesia remains a solid choice. In summary, Saltfish.ai is best when you want interactive videos embedded in your product, while Synthesia is best for producing standalone AI videos at scale.

Why Your Next Video Should Start with Saltfish.ai

The AI video generator market in 2025 is booming, with tools like Synthesia, Heygen, D-ID, and Deepbrain AI gaining attention. But while each has its strengths, they often lack the all-in-one onboarding power, engagement-focused design, and no-code simplicity that make Saltfish.ai stand out.

• Heygen – Strong at producing AI avatars with natural lip-sync and multiple language support, making it a good option for marketing videos. However, it doesn’t focus on keeping users engaged on a website or providing analytics on how they interact with your videos, both areas where Saltfish.ai shines. (Related: Saltfish.ai vs heygen)
  
  
  

• D-ID – Excellent for quickly turning still images into talking avatars, but offers limited customization and lacks website-based interactivity. (Related: Saltfish.ai vs d-id)
  
  
  

• Deepbrain AI – Specializes in training videos with human-like AI presenters, but its workflow can be more complex and less beginner-friendly than Saltfish.ai’s true no-code builder. (Related: Saltfish.ai vs deepbrain ai)
  
  
  

If your primary goal is to convert visitors into customers through interactive onboarding videos, Saltfish.ai remains the most complete solution, blending AI avatars, free AI video generator features, localization, and built-in engagement analytics across all plans.

Choosing the right AI video tool depends on your goals. If you want to engage visitors on your site and improve onboarding with minimal effort, Saltfish.ai’s interactive videos and analytics give it the advantage. If you need to create multilingual training or marketing content, Synthesia’s broad features might be more fitting. We encourage readers to try Saltfish’s free plan or request a demo to see how easy it is to add AI avatar videos to your website or app.

FAQs

What is Saltfish.ai?
Saltfish.ai is an AI onboarding tool that generates lifelike avatar videos from text. It helps businesses embed interactive, personalized videos inside their products or websites to guide users, showcase features, and drive conversions.

What is the difference between Saltfish.ai and Synthesia?
Although both Saltfish.ai and Synthesia are AI-powered video creation tools, they serve different needs.

• Synthesia is a renowned leader in corporate and training video production. It offers polished, avatar-led videos with support for over 60 languages, realistic avatars, and enterprise-grade features, making it ideal for internal training, marketing communications, and formal presentations.
  
  
  

• Saltfish.ai, in contrast, is crafted specifically for embedded, in-app onboarding. It generates short, interactive video walkthroughs using virtual avatars and branching logic triggered by user behavior so users get contextually relevant guidance inside your product.
  
  
  

In short: Synthesia is built for producing high-quality, narrative-driven video content, while Saltfish.ai is optimized for fast, interactive in-app video onboarding, delivering personalized guidance with minimal engineering and excellent ROI.