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Pika releases H3 Flex video model and open weights

Pika launched H3 Flex, a post-trained version of MiniMax H3, for reference-guided video creation. Pika says it supports up to 12 references, separate audio stems and up to 4K finishing. API Club access and open generator adapters are offered; independent use remains subject to model license terms. Pika did not train the underlying MiniMax H3 from scratch.

Pika

Pika H3 Flex

Video

Published (date only)

Updated

1 source

Primary source · October 29, 2026

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