Model Tracker
H3 Flex
H3 Flex is an AI model made by Pika. Pika released it on 29 October 2026. It is generally available.
H3 Flex is an AI model made by Pika. Pika released it on 29 October 2026. It is generally available. It takes text, image, audio, video and returns video, audio. Its weights are open. Its licence is MiniMax H3 Community License Agreement.
- Released
- 29 October 2026 — creation.pika.art, read 30 October 2026
- Status
- Generally available — dev.pika.art, read 30 October 2026
- Takes
- Text, Image, Audio, Video — huggingface.co, read 30 October 2026
- Returns
- Video, Audio — huggingface.co, read 30 October 2026
- Open weights
- Yes — huggingface.co, read 30 October 2026
- Licence
- MiniMax H3 Community License Agreement — pika.art, read 30 October 2026
- Context window
- Not confirmed: The maker’s model card and API page do not print a context-window figure.
- Longest answer
- Not confirmed: The maker specifies video duration, not a standard output limit in tokens. Page: https://huggingface.co/Pika-Labs/Pika-H3-Flex. Quote: "Output duration | Requested integer durations of 5–15 seconds; actual length follows the model frame grid"
- Knowledge cutoff
- Not confirmed: The maker’s model card, API page, and release announcement do not state a knowledge cutoff.
- API price, input
- Not confirmed: The maker publishes a starting price per output-second, not a standard input price per 1M tokens; the printed price cannot be converted to the register’s unit. Page: https://pika.art/blog/pika-h3-flex-research. Quote: "Model | Starting cost (USD/output-s) | Real-time | 4K output | Open weights | Audio stems Pika H3 Flex | $0.01 | ✅ | ✅ | ✅ | ✅"
- API price, output
- Not confirmed: The maker publishes a starting price per output-second, not a standard output price per 1M tokens; the printed price cannot be converted to the register’s unit. Page: https://pika.art/blog/pika-h3-flex-research. Quote: "Model | Starting cost (USD/output-s) | Real-time | 4K output | Open weights | Audio stems Pika H3 Flex | $0.01 | ✅ | ✅ | ✅ | ✅"
- Where
- API, Downloadable weights — pika.art, read 30 October 2026
- Parameters
- 33,000,000,000 — huggingface.co, read 30 October 2026
- Model card
- https://huggingface.co/Pika-Labs/Pika-H3-Flex — huggingface.co, read 30 October 2026
Questions
When was H3 Flex released?
Pika released H3 Flex on 29 October 2026.
Is H3 Flex still available?
Yes: it is generally available, as Pika states it.
Are the weights of H3 Flex open?
Yes: Pika publishes the weights of H3 Flex for download.
What is the licence of H3 Flex?
The licence of H3 Flex is MiniMax H3 Community License Agreement, as Pika names it.
What does H3 Flex take and return?
H3 Flex takes text, image, audio, video and returns video, audio.
How many parameters does H3 Flex have?
H3 Flex has 33,000,000,000 parameters, as Pika publishes it.
Sources
- Introducing Pika H3 Flex (read 30 October 2026)
- Pika H3 Flex models (read 30 October 2026)
- Pika-Labs/Pika-H3-Flex (read 30 October 2026)
- Pika H3 Flex Technical Deep Dive (read 30 October 2026)