HappyHorse 1.0 is now live on Picsart. The #1-ranked AI video model generates video and audio in a single unified pass - synchronized dialogue, sound effects, and ambient audio in 7 languages, all created alongside the visuals. No post-production audio sync needed. Available now in AI Playground, AI Video Generator, and Flow.
HappyHorse 1.0 is a 15B-parameter unified single-stream Transformer and the first AI video model to generate video and audio in a single forward pass, rather than adding audio separately. It produces synchronized dialogue, sound effects, and ambient audio from the first frame, outputs native 1080p video across multiple aspect ratios (16:9, 9:16, 4:3, 21:9, 1:1) in 5-8 second clips, supports 7 languages (English, Mandarin, Cantonese, Japanese, Korean, German, French), and ranked #1 on Artificial Analysis’ blind-test leaderboard on April 8, 2026, surpassing Seedance 2.0.
HappyHorse 1.0 is integrated across Picsart's creative platform. Compare it against 130+ other AI models with the same prompt in AI Playground. Generate video with native audio from text or image prompts in AI Video Generator - dialogue, ambient sound, and music are generated alongside the visuals automatically. Connect HappyHorse 1.0 to automated creative workflows in Flow - chain it with editing, resizing, and export steps for batch video production.
What you can create with other leading models
Generate videos where characters speak, environments have ambient audio, and sound effects match the action - all created in a single generation pass. No separate audio recording, no lip-sync post-processing. HappyHorse 1.0 generates video and audio as one unified output.
HappyHorse 1.0 addresses a core AI video limitation: audio. While most models generate silent video, HappyHorse produces dialogue, sound effects, and music in a single pass with accurate lip-sync and scene-matched audio. Ranked #1 on Artificial Analysis’ leaderboard ahead of Seedance 2.0, it combines top-tier visuals with speed, generating 1080p clips in seconds. With 15B parameters and support for 7 languages, it’s built for multi-market content — now available on Picsart.
HappyHorse 1.0 joins 90+ AI models on Picsart, alongside Kling 3.0, Veo 3.1, Runway Gen 4, Seedance 2.0, and other leading video models. Picsart's multi-model approach lets creators choose the right tool for each job: use HappyHorse 1.0 when you need native audio-video generation, switch to Kling 3.0 Omni for reference-based character work, or try Veo 3.1 for cinematic stability — all from one platform, across AI Playground, AI Video Generator, and Flow.
HappyHorse 1.0 is a 15-billion-parameter AI video model. It's the first model to jointly generate video and audio in a single forward pass, producing synchronized dialogue, sound effects, and ambient audio alongside the visuals. It debuted at #1 on the Artificial Analysis blind-test leaderboard in April 2026.
HappyHorse 1.0 is developed by an independent research lab. The model is open-source with a commercial license.
Most AI video models generate silent video, requiring separate audio tools for voiceover and sound design. HappyHorse 1.0 generates video and audio together in one pass - dialogue, ambient sound, music, and lip-synced speech are all produced as a unified output. It also supports 7 languages natively, more than any other video model.
HappyHorse 1.0 generates native lip-synced audio in 7 languages: English, Mandarin, Cantonese, Japanese, Korean, German, and French. Each language includes natural accent and dialect support. Audio is generated alongside the video, not dubbed in post.
HappyHorse 1.0 generates native 1080p video in clips of 5–8 seconds. It supports multiple aspect ratios: 16:9 (landscape), 9:16 (portrait), 4:3, 21:9 (ultrawide), and 1:1 (square). All outputs include synchronized audio.
HappyHorse 1.0 is available in three Picsart tools: AI Video Generator (direct text/image-to-video with native audio), AI Playground (open creative experimentation), and Flow (automated multi-step video pipelines). Picsart is an official launch partner.
Access to HappyHorse 1.0 depends on your Picsart plan. It's available across AI Video Generator, AI Playground, and Flow, with availability varying by subscription tier. Check Picsart pricing for current details.
Yes. Videos generated through Picsart's tools powered by HappyHorse 1.0 can be used for marketing, social media, brand content, advertising, and other commercial purposes under Picsart's terms of service. HappyHorse 1.0 itself is also open-source with a commercial license.
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