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H3 Max

H3 Max turns a prompt or still into 5–15 second MiniMax H3 Max videos with synced audio at 480P or 768P, billed per second of output.

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Summary

H3 Max is a web app that turns a text prompt or a single still frame into 5–15 second MiniMax H3 Max videos with synced audio, billed per second of output.

What is H3 Max?

H3 Max is a web app that generates 5–15 second AI videos from a text prompt or a single still frame, running the MiniMax H3 Max model — a tuned build of MiniMax H3. It is an independent product (per its own footer disclaimer) and not affiliated with or endorsed by MiniMax. The site renders at 480P and 768P only, and every clip comes back with audio already in place.

Key Features
  • Two input modes: text-to-video, and image-to-video which requires a start frame and supports an optional end frame to pin where the shot lands.
  • Duration control: whole-second lengths from 5 to 15 seconds, with 5 as the default.
  • Six aspect ratios for text-to-video: 21:9, 16:9, 4:3, 1:1, 3:4, and 9:16 (16:9 default); image-to-video inherits the start frame's ratio.
  • Two resolutions: 480P for drafts and 768P (1344×768, 24 FPS) for final takes.
  • Native audio: sound effects and spoken dialogue render in the same pass as the picture; MiniMax lists dialogue as stable in 11 languages.
  • Per-second credit billing: 7 credits per second at 480P, 15 per second at 768P.
  • Default generator model: MiniMax H3 Max Turbo.

Key Highlights

  • Sign-up grants 40 free credits, enough for one 5-second 480P draft (35 credits); a 768P take costs 75 credits and requires a paid plan.
  • Plans start at $19.90/month for 1,500 credits, roughly 20 finished 768P takes; a limited-time 30% off promo is running.
  • Design Arena (Aug 2026) ranked the tuned build #1 in image-to-video with Elo 1,341 vs the base model's 1,333, and benchmarked it at 50×+ the base model's speed at matched quality.
  • August 2026 benchmarks timed a 5-second 768P clip at under 3 seconds of model time, with queue time adding on top at busy hours.
  • Users own their videos on paid plans with commercial use included; clearing third-party rights in prompts is the user's responsibility.
  • The base MiniMax H3 model is open (H3-Base weights under the MiniMax H3 Community License, not Apache/MIT), but the H3 Max tuned build is hosted only with no public weights.
  • Site is localized in English, Chinese, Japanese, German, Spanish, and Brazilian Portuguese.

Best For

  • Marketers and creators making dialogue-led product spots, writing the line into the prompt so mouth, voice, and room tone render in one pass.
  • Ad teams localizing the same 15-second spot across the 11 languages MiniMax lists as stable, such as Japanese, German, or Portuguese.
  • Brands that need legible text and logos in end-cards, drafting at 480P and re-rendering the winner at 1344×768.
  • Creators producing talking-head explainers from a single headshot start frame.
  • Teams building pitch reels from one concept frame, pinning the first frame and optionally the final pose.
  • Shorts/Reels creators who want 9:16 vertical output already cropped and voiced for the feed.

Frequently Asked Questions

Is MiniMax H3 Max free to try?

Signing up grants 40 credits, and a 5-second 480P draft costs 35, so the first draft is covered. A 768P take costs 75 credits, so keeping a version requires a paid plan.

How many credits does a MiniMax H3 Max video cost?

480P bills 7 credits per second and 768P bills 15: a 5-second draft is 35, a 5-second 768P take is 75, and a 15-second 768P spot is 225. Plans start at $19.90/month for 1,500 credits.

Why does this site stop at 768P when MiniMax H3 offers 2K?

This site runs MiniMax H3 Max at 480P and 768P only; 768P renders at 1344×768 and 24 FPS. MiniMax's own hosted service offers 2K on the base model, and that lane is not wired in here.

Is MiniMax H3 Max open source?

The base model is: MiniMax published H3-Base weights under the MiniMax H3 Community License, not Apache or MIT. The MiniMax H3 Max tuned build this site runs is hosted only, with no public weights.

Who owns the videos I make with MiniMax H3 Max?

You do, on a paid plan, with commercial use included. Clearing third-party rights in your prompt — trademarks, likenesses, copyrighted characters — is your responsibility.

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Information

  • Websiteh3max.ai
  • Published date2026/09/03
  • Last reviewed2026/09/03

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