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Text chat0Image understanding0Image generation0Audio understanding0Voice conversation0Music generation0Text to speech0Speech to text0Video generation2Embeddings0Rerank0

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639 CLSSAI models · 8 temporary previewsCapabilities and reference prices from the CLSSAI catalog. Preview models may not be available through CLSSAI.

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2 of 647 modelsReference token prices are per million tokens.

HeyGen: Video 1heygen/heygen-video-1Available

VisionAudio inputVideo input

HeyGen Video 1 is a general-purpose video generation model from HeyGen. It renders short clips with synthesized audio (dialogue, ambience, and sound effects) in a single call, working from a...

by heygenSep 30, 2026N/A contextSpecialized media pricing · open model detailsText, Image, Video, Audio → Video

Run Video generation

HeyGen: Avatar IVheygen/avatar-ivAvailable

VisionAudio input

HeyGen: Avatar IV is an image-to-video model that animates a single photo into an expressive, lip-synced talking-head video. Rather than only matching mouth shapes to words, it interprets the vocal...

by heygenAug 24, 2026N/A contextSpecialized media pricing · open model detailsText, Image, Audio → Video

Run Video generation

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