AI Video Cost Calculator
Compare what a month of AI video generation really costs across the major tools, and see which ones watermark your free output. Costs shown are each tool's entry monthly plan — the realistic price at real volume. Sisif stays free while your volume fits its 35 free credits, then it's $10/month, and it's always watermark-free.
| Tool | Est. cost / month | Watermark-free free tier | Free tier |
|---|---|---|---|
| Sisif | from $10/mo | 35 credits, no watermark | |
| Kling | from $5.99/mo | ~66 credits/day | |
| Pika | from $8/mo | ~80 credits/month | |
| Hailuo | from $9.99/mo | ~3/day + 200 bonus | |
| Runway Gen-4 | from $12/mo | 125 one-time credits | |
| Sora | from $20/mo | none (via ChatGPT Plus) | |
| Luma Dream Machine | from $30/mo | 30 generations/month | |
| PixVerse | Free | ~1/day |
Cost shown is each tool's entry monthly plan — at real volume you pay a plan, not linear per-second. Sisif is free while your monthly volume fits its 35 free credits (a clip costs ~2 credits/second), then it's the $10/month plan. Figures are directional and last verified June 2026; check each provider for current pricing before you commit.
Skip the watermark and the bill
Sisif gives you watermark-free text-to-video and image-to-video on free starter credits — no credit card, no logo stamped on your clips.
Start free on SisifFrequently asked questions
How much does AI video generation cost?
Most AI video tools cost roughly $6–30 per month on their entry plans (Kling ~$6, Pika $8, Runway $12, Sora $20, Luma $30). Sisif is free while your monthly volume fits its 35 free credits, then $10/month — and always watermark-free.
Which AI video generators are free with no watermark?
Among major tools only Sisif, Pika and PixVerse ship watermark-free output on their free tiers. Runway, Sora, Kling, Luma and Hailuo watermark or gate free output.
What is the cheapest AI video generator?
On entry pricing Kling (~$6/month) and Pika ($8/month) are cheapest, then Sisif and Hailuo near $10; Runway, Sora and Luma cost more. Sisif starts free (35 credits, no watermark) before its $10/month plan.