Which should you pick?
Pruna Image Edit is the cheaper job: 1 credit against 4-7 credits for Runway Gen4 Image. Those are the credits one complete generation costs, not a headline rate, so they are directly comparable even though the two models bill differently.
At their most expensive settings the gap widens: Runway Gen4 Image tops out at 7 credits a job versus 1, driven by output resolution.
Pruna Image Edit supports up to 4K, the higher of the two.
Pruna Image Edit holds the stronger leaderboard position (#40 in edit image against #135 in text to image). Those are two different leaderboards unless the category matches — Versely ranks each capability separately.
Pruna Image Edit supports more aspect ratios (7: 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16), giving it more format flexibility.
What a job costs
Runway Gen4 Image
4-7 credits
It bills a flat rate that changes with output resolution, and the price moves with output resolution.
- SD/HD4 credits
- 4K7 credits
Pruna Image Edit
1 credit
It bills a flat rate per generation.
- Price1 credit
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Runway Gen4 Image | Pruna Image Edit |
|---|---|---|
| Provider | Runway | PrunaAI |
| Cost per job | 4-7 credits | 1 credit |
| Billing | a flat rate that changes with output resolution | a flat rate per generation |
| Max resolution | 1080p | 4K |
| Aspect ratios | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 | 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16 |
| Durations | — | — |
| Frame rates | — | — |
| Qualities | 720p, 1080p | — |
| Requires starting image | Yes | Yes |
| Accepts video input | No | No |
| Reference images | — | Up to 5 |
| Leaderboard | #135 in text to image | #40 in edit image |
| Released | Mar 31, 2025 | Jan 1, 2026 |
What each one does that the other doesn't
Only Runway Gen4 Image
text to image, high quality, style control
Only Pruna Image Edit
edit image, edit, fast, optimized
Both list: image to image.
Leaderboard positions
Versely ranks each capability on its own leaderboard, so a position is only comparable between two models within the same row.
Runway Gen4 Image
- Text to image#135
Pruna Image Edit
- Edit image#40
Full Runway Gen4 Image spec sheet →
Runway Gen4 image generation model with high-quality creative outputs and style control
Full Pruna Image Edit spec sheet →
PrunaAI's efficiency-optimised image editor — instruction-based edits at the single-credit tier, compressed for speed. The economical pick for bulk retouch and iteration-heavy sessions.
Frequently asked questions
Which is cheaper, Runway Gen4 Image or Pruna Image Edit?+
Pruna Image Edit is cheaper per job: 1 credit against 4-7 credits for Runway Gen4 Image.
What can Runway Gen4 Image do that Pruna Image Edit can't, or vice versa?+
Only Runway Gen4 Image lists text to image, high quality, style control. Only Pruna Image Edit lists edit image, edit, fast, optimized. Both list image to image.
How do Runway Gen4 Image and Pruna Image Edit bill?+
Runway Gen4 Image bills a flat rate that changes with output resolution, and its price moves with output resolution. Pruna Image Edit bills a flat rate per generation. Both are charged in Versely credits.
Which has higher output resolution, Runway Gen4 Image or Pruna Image Edit?+
Pruna Image Edit supports higher output (4K against 1080p).
Which ranks higher, Runway Gen4 Image or Pruna Image Edit?+
Runway Gen4 Image sits at #135 in text to image and Pruna Image Edit at #40 in edit image on Versely's live model rankings. Versely ranks each capability on its own leaderboard, so those positions are only a direct comparison when the category is the same.
Try both inside Versely
The all-in-one AI studio for creators. 60+ models for video, image, voice, music and lipsync — in your browser or on your phone.
Free account. Works in your browser - no install needed. The same account signs in on your phone.