Kling AI vs Synthesia

Kling AI (AI creative studio for generating video and images, with membership credits and an API.) and Synthesia (AI video and avatar platform for business: avatars and voiceovers in 140+ languages, AI dubbing, PPT to video, interactive sessions, API.) compared side by side: plans and prices, vendor-stated features, platforms and sign-in, with the date each fact was checked. Matches based on official product information.

Based on official vendor pages, linked below
Kling AI pricing checked: 2026-10-30
Synthesia pricing checked: 2026-10-27

At a glance

Kling AI

AI video generation tools

What it does: AI creative studio for generating video and images, with membership credits and an API.
Strong at: Well suited to generating AI video and images in a creative studio that uses membership credits and offers an API.
Free plan: Yes - ongoing free plan, sign-in required
Paid plans from: US$8.8 / month

Pricing checked 2026-10-30 · Full Kling AI record · Official site

Synthesia

AI video generation tools

What it does: AI video and avatar platform for business: avatars and voiceovers in 140+ languages, AI dubbing, PPT to video, interactive sessions, API.
Strong at: Strong fit for corporate training videos with AI avatars.
Free plan: Yes - ongoing free plan
Paid plans from: US$19 / month

Pricing checked 2026-10-27 · Full Synthesia record · Official site

Plans & pricing

Kling AI plans & pricing

Checked 2026-10-30. · Vendor pricing page Confirm prices and terms with the vendor before buying.

Basic

$0 / month

Monthly log-in credits

Standard

$8.8/month paying monthly, $79.2/year paying yearly

660 credits a month. First month paying monthly was $6.99 on the page (promotion, not the regular price).

Pro

$32.56/month paying monthly, $293.04/year paying yearly

3,000 credits a month. First month paying monthly was $25.99 (promotion).

Premier

From $181.99/month paying monthly (18,000 credits tier)

Price depends on the credit tier (the slider runs 8K to 38K credits). First month was $144.99 (promotion).

Ultra+

$544.99/month paying monthly

57,000 credits a month. First month was $432.99 (promotion).

Synthesia plans & pricing

Checked 2026-10-27. · Vendor pricing page Confirm prices and terms with the vendor before buying.

Basic

$0 (500 credits/mo, ~10 min video, watermark)

Starter

$19/month ($14/month billed annually, $168/yr); first month $9 promo

1,250 credits/month. First-month promo $9 as displayed.

Pro

$89/month ($59/month billed annually, $708/yr); first month $49 promo

Enterprise

Custom

Side-by-side facts

	Kling AI	Synthesia
Free plan	Yes - ongoing free plan, sign-in required	Yes - ongoing free plan
Paid plans from	US$8.8 / month	US$19 / month
Sign-in	Not stated	Yes. Create a free account to use the documented generation workflow.
API	Not stated	Yes. API keys and scopes are plan-dependent; confirm required entitlement.

What each tool says it does

Kling AI - vendor-stated features

Video generation + extension
Master Shot
Professional mode
API

Worth knowing before you choose

Kling AI - worth knowing

Standard is US$8.8/month paying monthly (the first month was US$6.99 on the page, a promotion), or US$79.2/year paying yearly. Pro is US$32.56/month or US$293.04/year. Prices are shown as US$; the page does not label the currency.
Premier starts at US$181.99/month (18,000 credits tier); the price depends on the credit tier. Ultra+ is US$544.99/month.
Credits: Standard 660 a month, Pro 3,000, Ultra+ 57,000.
Video extension up to 3 minutes total.
Paid features: watermark removal, professional mode, fast-track generation.
Commercial use: the membership page lists commercial use for generated content on paid plans; no separate license terms were read.
Kling's own models also appear inside other listed tools (Runway, Krea, LTX Studio, PixVerse); this record is the first-party product.

Synthesia - worth knowing

Basic includes 500 credits/month and a separate 10 minutes/month. Do not convert one allowance into the other.
Video and dubbing credit costs vary. Vendor estimates are about 100 credits/minute for video and 76 credits/minute for dubbing, not guaranteed output.
Learner seats cost USD 29 each; studio/branded avatars are an additional USD 1,000/year.

Common questions

Is Kling AI or Synthesia free to use?

Kling AI: Yes - ongoing free plan, sign-in required (checked 2026-10-30). Synthesia: Yes - ongoing free plan (checked 2026-10-27).

What do Kling AI and Synthesia cost?

Kling AI's entry paid plan is US$8.8 / month and Synthesia's is US$19 / month, from each vendor's pricing page (2026-10-30 and 2026-10-27 respectively). The tables above list every plan each vendor published.

Which is better, Kling AI or Synthesia?

It depends on the job. Kling AI: Well suited to generating AI video and images in a creative studio that uses membership credits and offers an API. Synthesia: Strong fit for corporate training videos with AI avatars. The feature and pricing tables above show where they differ.

Where do these facts come from?

Every fact on this page is read from the vendors' own product and pricing pages, with the checked date shown beside it. Links to both official pages are at the top of each column.

Keep comparing

This comparison is not a recommendation: it sets out what each vendor states on its own pages, with the dates those pages were checked. Prices and features change - confirm with the vendor before buying.