{"schema":"postcutoff/model@1","as_of":"2026-10-25T23:49:00+01:00","url":"https://postcutoff.com/m/heygen-video-1/","md":"https://postcutoff.com/m/heygen-video-1/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"heygen-video-1","name":"HeyGen Video 1","org":"HeyGen","family":"HeyGen Video","released":"2026-09-30","status":"current","type":"video-gen","modality_in":["text","image","video","audio"],"modality_out":["video","audio"],"open_weights":false,"model_license":"proprietary","context_window":null,"max_output":null,"knowledge_cutoff":null,"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":"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"},"price_line":"$0.01 t2v i2v per second 480p","access":[{"provider":"HeyGen API","model_id":"heygen-video-1","endpoint":"https://api.heygen.com/v3/models/videos","docs":"https://developers.heygen.com/docs/models/heygen-video"},{"provider":"OpenRouter","model_id":"heygen/heygen-video-1"},{"provider":"Web app","url":"https://app.heygen.com/apps/creative-studio/video"}],"capabilities":[{"name":"Whole scene with sound in one pass","detail":"General-purpose (non-avatar) model: picture, dialogue, ambience and sound effects generated together; AAC 32 kHz stereo in MP4.","first":false,"discovered":"launch","source":"https://www.heygen.com/blog/introducing-heygen-video"},{"name":"Text, image and reference modes","detail":"text_to_video, image_to_video and reference_to_video (default), with up to 9 images, 3 videos and 3 audio references (12 total).","first":false,"discovered":"launch","source":"https://developers.heygen.com/docs/models/heygen-video"},{"name":"Up to 30 s and 2K (added after launch)","detail":"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).","first":false,"discovered":"later","source":"https://developers.heygen.com/changelog?page=4"}],"entry":"2026-09-30-heygen-video-1","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.","verified":"2026-10-25","body_md":"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.\n\nArtificial Analysis text-to-video (with audio) leaderboard, read 2026-10-25: rank 3, Elo 1160 (https://artificialanalysis.ai/video/leaderboard/text-to-video).\n\nSources: 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","page_url":"https://postcutoff.com/m/heygen-video-1/","standing":{"kind":"video generation","newer_count":3,"newer":[{"id":"flux-3-max","name":"FLUX 3 Max","org":"Black Forest Labs","released":"2026-10-19","page_url":"https://postcutoff.com/m/flux-3-max/"},{"id":"kling-4-0","name":"Kling 4.0 (and 4.0 Flash)","org":"Kuaishou","released":"2026-10-15","page_url":"https://postcutoff.com/m/kling-4-0/"},{"id":"tavus-griffin","name":"Tavus Griffin (Human Interaction Model)","org":"Tavus","released":"2026-10-01","page_url":"https://postcutoff.com/m/tavus-griffin/"}],"before":null,"after":null,"weights":"closed","licence":"proprietary","licence_permissive":false,"summary":"Closed weights; access is hosted only."}}