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Pika H3 Flex
Type the shot and the sound: Pika H3 Flex returns a 5–15s MP4 with synced dialogue, music and effects, right in your browser — no GPU required.
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Pika H3 Flex: a hosted video studio with built-in sound
A six-step sampler that composes frames and audio in a single pass, hosted here so a browser is the only requirement.
- Retrained MiniMax H3 at the corePika's October 29, 2026 build samples in six steps and returns 5–15s clips at 24 fps, with stereo audio generated in the same pass.
- Text, a start frame, or bothGive it a written prompt, a still to open on, a closing frame, or both — enough to animate a photo or connect two shots.
- Hosted Pika H3 Flex, no GPU neededThe LoRA weights run on a 33B base in ComfyUI if you have the hardware; here Pika H3 Flex runs for you in the browser.
Turn a written shot into an MP4 in three steps
Pika H3 Flex keeps the loop short every time: describe the scene, choose your settings, then download the finished clip.
Pika H3 Flex features that shape every render
Six practical traits define how a Pika H3 Flex clip feels, from sound design and sampling speed to refunds on failed runs.
Sound generated with the picture
Dialogue, score, effects and room tone are created alongside the frames, so there is no separate sync step afterward.
Six steps, faster iterations
Short sampling lets you render three or four takes of the same beat and choose the best one instead of waiting on a long run.
Affordable drafts, sharper finals
Test an idea at 480p or 768p, then re-render the keeper at 1080p, 2K or 4K; upscaling preserves the audio and frame rate.
Framing for any screen
Set 21:9, 16:9, 1:1, 4:3, 3:4 or 9:16 before rendering — one Pika H3 Flex shot can fit cinema, feed or vertical formats.
Prompt rewrite toggle
The enhancer can expand a short idea; turn rewriting off and Pika H3 Flex follows a detailed prompt literally.
Failed renders refunded
If a render breaks, times out or is stopped by moderation, its credits return to your balance — you pay only for completed Pika H3 Flex clips.
Pika H3 Flex FAQ: answers before you render
Model basics, credit costs, clip length and local setup for Pika H3 Flex, explained in plain language.
What is Pika H3 Flex, and when did it launch?
It is Pika's retrained MiniMax H3, released October 29, 2026: six-step sampling, 5–15s clips at 24 fps, stereo audio in one pass, and open LoRA weights.
Is this the official Pika website?
No. We operate an independent browser studio built on Pika H3 Flex, with credits, automatic refunds and download history — unaffiliated with Pika Labs or MiniMax.
How many credits does one video cost?
Pricing is per second: 480p 2, 768p 4, 1080p 7, 2K 8, 4K 16 credits. A 5s 768p clip costs 20; a 15s 4K clip costs 240 — the total appears before you generate.
How long can a single Pika H3 Flex clip be?
Each render lasts 5, 10 or 15 seconds at 24 fps. Longer pieces are stitched from several generations, one shot at a time.
Can I run Pika H3 Flex locally in ComfyUI?
Yes — the LoRA weights run on the 33B base in ComfyUI or diffusers, but a 5s 480p clip needs about 66–69 GiB of VRAM and 211 GB of disk, so most users stay hosted.
How do I make a character speak with matching lip sync?
Put the exact line in quotes, name the speaker, then list voice, ambience and effects after Sound:. Pika H3 Flex generates speech and lip movement together.
Render your first Pika H3 Flex clip
Describe the shot and the sound, choose 5, 10 or 15 seconds, then download an MP4 with synced audio. No free tier — from $9.90 one-time or $11.90/mo billed yearly; failed renders refunded.