ToolRankBest AI video tools with an API
Updated 16 Oct 2026 · Prices from vendor pages only · How we rank →
The short answer
Each of these AI video tools offers an API, so you can build it into your own product or workflow. Synthesia comes first: AI avatar video platform for training and corporate videos in 140+ languages. The cheapest verified paid plan here is Pika Starter ($10/month ($8 annual)). 4 of the 4 have a free plan we could confirm. Every price below is from the vendor’s own page, checked 16 Oct 2026.
Ranked shortlist
- Synthesia: AI avatar video platform for training and corporate videos in 140+ languages. Plan: Starter: $18/month yearly or $29 monthly
1 editor, 3 guests, no watermark - Pika: Text- and image-to-video generator with effects for short social clips. Plan: Starter: $10/month ($8 annual)
900 credits/month, no commercial license - OpusClip: Turns long videos into short vertical clips automatically. Plan: Starter: $15/month
No watermark, YouTube auto-import - Colossyan: AI avatar video creator focused on workplace learning. Plan: Professional: $59/month yearly
Watermark removal, 5 SCORM exports/month, up to 3 editors ($30/extra member)
Order follows ToolRank’s editorial ranking in Video & Animation, filtered to tools that fit this page. Anything we couldn’t confirm on a vendor page says “Not yet verified”.
Side by side
| Rank | Tool | Relevant plan | Starting price | Free plan | Best for | Main limitation | Last checked |
|---|---|---|---|---|---|---|---|
| #1 | Synthesia | Starter: $18/month yearly or $29 monthly 1 editor, 3 guests, no watermark | $18/month (Starter, billed yearly; $29 monthly) | Basic: 10 minutes of video/month, 500 credits, Synthesia watermark | Not yet verified | Not yet verified | 16 Oct 2026 |
| #2 | Pika | Starter: $10/month ($8 annual) 900 credits/month, no commercial license | $8/month (Starter, annual; $10 monthly) | Free: $0, no monthly credits (credit packs only), 2 parallel video generations | Not yet verified | Not yet verified | 16 Oct 2026 |
| #3 | OpusClip | Starter: $15/month No watermark, YouTube auto-import | $15/month (Starter) | Free: watermarked clips, 3-day export window, 9:16 only | Not yet verified | Not yet verified | 16 Oct 2026 |
| #4 | Colossyan | Professional: $59/month yearly Watermark removal, 5 SCORM exports/month, up to 3 editors ($30/extra member) | $59/month (Professional, billed yearly) | Starter: free, 20 video minutes/month with NEO avatars, watermark | Not yet verified | Not yet verified | 16 Oct 2026 |
Prices as listed by each vendor on the last-checked date, USD, before tax. Plans and limits change, so follow the sources below.
Who should pick which
Synthesia (Starter: $18/month yearly or $29 monthly): AI avatar video platform for training and corporate videos in 140+ languages. Pika (Starter: $10/month ($8 annual)): Text- and image-to-video generator with effects for short social clips. OpusClip (Starter: $15/month): Turns long videos into short vertical clips automatically. Colossyan (Professional: $59/month yearly): AI avatar video creator focused on workplace learning.
FAQ
Which of these is cheapest?
Pika Starter ($10/month ($8 annual)) is the lowest paid price we verified on this list (https://pika.art/pricing, checked 16 Oct 2026). Check the vendor page for tax, billing period and usage limits.
Which of these have a free plan?
Synthesia: Basic: 10 minutes of video/month, 500 credits, Synthesia watermark; Pika: Free: $0, no monthly credits (credit packs only), 2 parallel video generations; OpusClip: Free: watermarked clips, 3-day export window, 9:16 only; Colossyan: Starter: free, 20 video minutes/month with NEO avatars, watermark.
How were these tools chosen?
They are the tools in ToolRank's rankings with an API listed by the vendor, confirmed on the vendor's own website on 16 Oct 2026. Tools we could not verify are left out rather than guessed, and anything unconfirmed is marked Not yet verified.
Sources
- Synthesia: Synthesia pricing checked 16 Oct 2026
- Pika: Pika pricing checked 16 Oct 2026
- OpusClip: OpusClip pricing checked 16 Oct 2026
- Colossyan: Colossyan pricing checked 16 Oct 2026
Related comparisons
Profiles: Synthesia · Pika · OpusClip · Colossyan
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