Wan 2.1 NSFW

The original Wan video model — kept for reference.

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Wan 2.1 is the classic baseline that started the Wan lineup on this platform. T2V only, lower consistency, and shorter effective clip length. We keep it available for users who appreciate its specific visual character or need to reproduce earlier outputs. For new projects, start with Wan 2.2 or higher.

Technical Specifications

Output

Max duration	~5–8 sEffective usable length
Resolution	Up to 720p
Frame rate	~16 fps
Format	MP4

Generation modes

Text-to-video (T2V)	✓
Image-to-video (I2V)	✗
Text-to-image (T2I)	✗

Quality traits

Identity consistency	BasicSome frame drift expected
Prompt adherence	Moderate
Motion smoothness	Basic

Access

Free tier	✓Lowest credit cost in the lineup
No download / install	✓

Strengths

Lowest credit cost — good for high-volume experimentation.
Distinctive visual character that some creators prefer.
Fast generation time.

Limitations

T2V only — no I2V support.
Identity drift across frames — subjects change subtly between cuts.
Lower resolution ceiling than 2.2+.
Not recommended for new projects unless you specifically want the 2.1 aesthetic.

Best For

Reproducing outputs that were originally generated on Wan 2.1.
High-volume low-stakes experimentation where cost matters more than quality.
Creators who prefer the specific visual style of the original model.

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