Z.ai · video line · open weights
The newest CogVideoX (open weights) model is CogVideoX1.5-5B, released on November 8, 2024. It has been 701 days since then, more than a year without a release, so the line is inactive; a new release would bring it back.
How long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Every Monday, only when something shipped: the AI models that came out, what each one changed, and which lines are due next.
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Newest first — what each version changed versus the one before, in Z.ai's own numbers.