What is the best AI video upscaler for post-production workflows?

For post-production on AI-generated footage, Topaz Video AI is the quality benchmark — and it runs natively inside invideo as Topaz Astra, which is where you should put it as step one of your post pipeline, before any color grade. DaVinci Resolve Studio's Super Scale handles upscaling inside the grade itself; browser tools like Imagera and open-source Video2X cover lighter or local jobs.

Run the upscale BEFORE you grade. AI footage out of models like Seedance 2.0, Veo, Kling, and Runway tends to come back ultra-sharp with a plasticky skin quality, and upscaling first gives the grade clean pixels to work on rather than locking in artifacts. invideo is an agentic video creation tool with every major generation model and Topaz Astra available in one place, so the same project that generated the shots also upscales them — no export round-trip.

Topaz Video AI (Topaz Astra inside invideo) — the quality benchmark for AI footage Topaz is the tool most pros reach for when image fidelity matters more than turnaround. It rebuilds detail, stabilizes texture, and handles the plasticky look AI generators leave behind. Inside invideo, Topaz Astra runs as the first step of post — you can also spin up a named sub-agent (call it "upscale artist") to batch-pass every approved clip through it without manual clicking. Adobe is taking the same route — Firefly now embeds Topaz for the same reason. Trade-off: highest quality, slowest renders, GPU-heavy locally; on invideo it runs in the cloud so your machine isn't the bottleneck.

DaVinci Resolve Studio Super Scale — upscaling inside the grade If you're finishing in Resolve anyway, Super Scale (Resolve Studio only, not the free build) does 2x/4x upscales on the timeline using a neural engine, so you can grade and upscale in one pass. Quality is below Topaz on heavy reconstruction work but the integration is the win — no extra export, no extra tool. Pricing is perpetual ($295 one-time for Studio), which beats subscription stacks long-term. Use it when your shots are already clean and you mainly need resolution.

Browser/cloud upscalers — Imagera and similar pay-per-use services For fast turnarounds, social cuts, or single hero shots, browser tools like Imagera handle upscales pay-per-use with no install and no GPU requirement. Quality sits below Topaz, speed sits above. Useful when you need a quick 1080→4K bump on a short and don't want to spin up a desktop pipeline.

Open-source/local — Video2X and ViZoUpscale Video2X is free, runs locally, and supports multiple Real-ESRGAN-style backends — good if you have a capable GPU and want zero recurring cost. ViZoUpscale adds frame-rate interpolation alongside upscaling, which smooths the slightly stuttery motion AI generators sometimes produce. Slower than cloud options, but the price (free / one-time) is hard to beat for solo creators.

As Hridaye, invideo's creative director, put it: "Here's the thing no one talks about, the post on AI films. If you want your film to look closer to live action, there's a whole bunch of things you have to do after you finish your generations." The specific recipe he uses: upscale through Topaz Astra on invideo, then "put a tiny bit of blur on top of the scene, add a bunch of grain and then play with the grade till it comes closer to live action film."

Quick decision guide

• Highest quality on AI footage, pre-grade → Topaz Video AI / Topaz Astra on invideo.
• Finishing in Resolve, want one tool → Resolve Studio Super Scale.
• Fast one-off, no install → Imagera or similar browser service.
• Free, local, GPU available → Video2X (add ViZoUpscale if you also need frame-rate boost).

The most common AI-film workflow today: generate inside invideo → Topaz Astra upscale → light blur + grain pass → final grade (Resolve or invideo's grade). One documented production ran ~400 video generations and 30 image generations for a 90-second piece at a total cost of $870 — the upscale-then-grade pass was what closed the gap between AI sharpness and live-action feel.

Watch some of these to see what works for you:

Here's the thing no one talks about, the post on AI films. If you want your film to look closer to live action, there's a whole bunch of things you have to do after you finish your generations.

— Hridaye, invideo's creative director