Does Captions AI or Synthesia have a free plan?

Captions AI is available for free. Synthesia is available for free with a free trial. Always verify current pricing directly with the vendor.

Captions AI vs Synthesia

Q: Can I use Captions AI and Synthesia together?

Yes, many teams use both tools together for different purposes. Use the Stack Builder section above to combine Captions AI and Synthesia with other tools and save your AI toolkit.

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Updated May 2026

Captions AI

Mirage

Transform raw footage into polished, AI-edited videos in minutes.

0.0(0)

FREEMIUM

94% data quality

Synthesia

Synthesia Ltd

Turn text into studio-quality AI videos in minutes.

0.0(0)

FREEMIUM

93% data quality

Trust & Reliability

Captions AI

Customers (per vendor):HubSpot, Comcast, Compass +7

SOC 2

HIPAA

Synthesia

Overall Winner: Synthesia

6.7/10 vs Captions AI at 5.3/10

Leads in:

Ease of Use

Output Quality

Customizability

AI Comparison Summary

Captions AI

5.3

avg score

Synthesia

6.7

avg score

Synthesia leads overall — particularly in Customizability and Support & Ecosystem.

Based on 6 dimensions

How scores are calculated

Overall Winner

Synthesia

6.7 / 10

Captions AI

Best For

Automating video editing for content creators

Producing high-volume video content for marketing teams

Creating personalized digital avatars for brand building

Localizing video content for global audiences

Not Ideal For

Professional video editors who prefer full manual control over every detail.

Users requiring highly specific, non-AI-driven visual effects or animations.

Teams needing extensive third-party integrations beyond social media export.

Synthesia

Best For

Generating training videos for learning & development

Creating product demos and tutorials for marketing

Producing sales enablement content for sales teams

Transforming SOPs and documents into engaging videos

Not Ideal For

Producing live-action videos requiring human actors and traditional filming

Users needing highly nuanced or spontaneous human-like interactions in videos

Individuals or small teams with very infrequent video creation needs

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Captions AI is best for

🤖Automation & Agents6.0

Synthesia is best for

✍️Writing & Content8.0🎵Audio & Voice8.0🎨Image & Design7.0

Filter by your use case:

Pros & Cons

Captions AI

Pros

Automates complex video editing tasks with AI, saving significant time.
Offers a chat-based editor for intuitive, natural language modifications.
Includes a library of AI Edit styles for quick, professional-looking videos.
Enables creation of realistic digital AI twins from photos or footage.
Supports video localization with captions in 100+ languages, AI Translate, and Lipdub.
Exports videos without watermarks and in formats optimized for social media.

Cons

Advanced generative AI features require a paid subscription.
Pricing for higher usage tiers can become expensive for individual creators.
Relies on AI for editing, which may not always match precise creative visions without manual adjustments.
Features and prices displayed reflect iOS plans only, potential differences for other platforms.
No explicit mention of API for users to integrate into their own applications.

Synthesia

Pros

Create studio-quality videos without filming equipment or editing skills
Supports over 160 languages and voices for global reach
Offers a wide selection of AI avatars, including custom personal avatars
Integrates with Learning Management Systems (LMS) via SCORM export
Provides robust team collaboration features and brand kit management
SOC 2 Type II and GDPR compliant, ensuring high security standards

Cons

Free plan is limited to 10 minutes of video per month and 9 stock avatars
Studio Avatars are a paid add-on and require an annual plan
AI Dubbing is a paid add-on for Enterprise plans
Requires an active internet connection as it is a cloud-based platform
Customizable avatars and b-roll assets consume credits, which can add to costs

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Output Quality5

Value for Money5

Customizability5

Support & Ecosystem5

Integration Power5

Dimension Comparison

Captions AI

5.3

/ 10

Synthesia

6.7

/ 10

Clear winner

Dimension Breakdown

Ease of Use

How easy it is to get started and use daily

Captions AI

7.0

Synthesia

8.0▲ +1.0

Output Quality

Quality and accuracy of generated results

Captions AI

7.0

Synthesia

8.0▲ +1.0

Value for Money

Cost vs. features and output quality

Captions AI

6.0

Synthesia

7.0▲ +1.0

Customizability

Calculated

Ability to tailor to specific needs

Captions AI

5.0

Synthesia

8.0▲ +3.0

Support & Ecosystem

Documentation, community, and support quality

Captions AI

6.0

Synthesia

8.0▲ +2.0

Integration Power

Calculated

Ability to connect with other tools and workflows

Captions AI

1.0

Synthesia

1.0

Calculated = derived from verified integration count and API/open-source signals. AI = LLM-assessed from public website content. Methodology

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

Which is better, Captions AI or Synthesia?

Both are strong options. Captions AI has a rating of 0.0/5 (0 reviews), while Synthesia has a rating of 0.0/5 (0 reviews). The best choice depends on your specific use case, budget, and workflow requirements.

Is Captions AI cheaper than Synthesia?

Captions AI starts at free (freemium model). Synthesia starts at free (freemium model) with a free trial. Use the Cost Calculator above for a detailed estimate.

What are the main differences between Captions AI and Synthesia?

Captions AI — "Transform raw footage into polished, AI-edited videos in minutes.". Synthesia — "Turn text into studio-quality AI videos in minutes.". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.

Can I use Captions AI and Synthesia together?

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