As of: 2026-10-25 23:49 CET. Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/ Canonical page: https://postcutoff.com/m/heygen-video-1/ # HeyGen Video 1 HeyGen, HeyGen Video family. Status: current. Type: video generation. Released: 2026-09-30. ## How to call it | Provider | Model id | Endpoint | Docs | |---|---|---|---| | HeyGen API | `heygen-video-1` | https://api.heygen.com/v3/models/videos | https://developers.heygen.com/docs/models/heygen-video | | OpenRouter | `heygen/heygen-video-1` | | | | Web app | | | https://app.heygen.com/apps/creative-studio/video | ## Pricing - T2v i2v per second 480p: $0.01 - T2v i2v per second 768p: $0.018 - T2v i2v per second 1080p 2k: $0.05 - Ref2v per second 480p: $0.035 - Ref2v per second 768p: $0.05 - Ref2v per second 1080p 2k: $0.09 - Unit as published: USD per second of output video, API launch promotion (50% off; HeyGen says list price is double these rates) - Source: https://help.heygen.com/en/articles/10060327-heygen-api-pricing-explained - Last checked: 2026-10-25 ## Specs - Input: text, image, video, audio - Output: video, audio - Context window: not published - Max output: not published - Open weights: no - Licence: proprietary ## Where it stands - Newer video generation models in the registry since its release: 3: - FLUX 3 Max (2026-10-19) https://postcutoff.com/m/flux-3-max/ - Kling 4.0 (and 4.0 Flash) (2026-10-15) https://postcutoff.com/m/kling-4-0/ - Tavus Griffin (Human Interaction Model) (2026-10-01) https://postcutoff.com/m/tavus-griffin/ - Closed weights; access is hosted only. ## What stands out - Whole scene with sound in one pass: General-purpose (non-avatar) model: picture, dialogue, ambience and sound effects generated together; AAC 32 kHz stereo in MP4. Source: https://www.heygen.com/blog/introducing-heygen-video - Text, image and reference modes: text_to_video, image_to_video and reference_to_video (default), with up to 9 images, 3 videos and 3 audio references (12 total). Source: https://developers.heygen.com/docs/models/heygen-video - Up to 30 s and 2K (added after launch) (found after launch): October 2026 updates added auto duration (8-30 s from quoted dialogue), 5-30 s for t2v/i2v with turbo or quality enhancement, and 1080p and 2K outputs (billed at 3x 768p). Source: https://developers.heygen.com/changelog?page=4 ## Notes Artificial Analysis text-to-video leaderboard (read 2026-10-25): #3, Elo 1160; AA price 2.40 USD per minute of 1080p (AA lists release Oct 2026). Released 2026-09-30 per OpenRouter's model listing (created date) and HeyGen's changelog ('September 2026'); no dated HeyGen post seen. HeyGen's blog quotes the API launch price as 0.01 USD/s through October and other HeyGen blog posts give 0.03/s list at 768p, conflicting with the help-center table (list = 2x shown); post-promo prices from November 2026 not verified. Free playground: 2 five-second clips per day with a HeyGen account. Also on Civitai's generator from 2026-10-13 (reported by aipicks.jp, not verified). No timeline entry. HeyGen's first general-purpose video model (not its avatar engine): text, image or reference to video with native dialogue and effects, 480p-2K. Async API: POST /v3/models/videos with an x-api-key header, then GET /v3/models/videos/{video_id} until completed. Artificial Analysis text-to-video (with audio) leaderboard, read 2026-10-25: rank 3, Elo 1160 (https://artificialanalysis.ai/video/leaderboard/text-to-video). Sources: https://www.heygen.com/blog/introducing-heygen-video · https://developers.heygen.com/docs/models/heygen-video · https://developers.heygen.com/changelog?page=4 · https://help.heygen.com/en/articles/10060327-heygen-api-pricing-explained · https://openrouter.ai/heygen/heygen-video-1 Model page: https://postcutoff.com/m/heygen-video-1/