525 articles
HiDream-I1
HiDream-I1 is an open-source text-to-image foundation model with 17 billion parameters, built on a sparse Diffusion Transformer and released by HiDream.ai in April 2025 under the MIT license.
HiFi-GAN
HiFi-GAN is a generative adversarial network vocoder introduced in 2020 by Jungil Kong and colleagues at Kakao Enterprise, converting mel-spectrograms into speech waveforms at high quality and speed.
Higgs Audio
Higgs Audio is a family of open audio-language models released by Boson AI in 2025, combining audio understanding and expressive speech generation, with version 3 following in 2026.
HuBERT
HuBERT (Hidden-Unit BERT) is a self-supervised speech representation model released by Meta AI in June 2021, which learns from unlabeled audio by predicting k-means pseudo-labels over masked regions.
Hugging Face Model Hub
The Hugging Face Model Hub is the main platform for hosting open-weight AI models, launched in 2019 and hosting roughly 3 million public models by 2026.
Human motion diffusion model
The Human Motion Diffusion Model (MDM) is a diffusion model that generates 3D human motion from text, actions, or nothing, introduced by Tel Aviv University researchers in 2022.
Hume EVI
Hume EVI, or Empathic Voice Interface, is a family of speech-native conversational models by Hume AI that measures a user's emotional tone and responds with matching expressiveness in real time.
HuMo
HuMo is an open-source, human-centric video generation framework from ByteDance Research, released in September 2025, that generates controllable videos of people from text, image, and audio inputs.
Hunyuan (model family)
Hunyuan is Tencent's family of foundation models, first launched in September 2023 as a proprietary enterprise model, now spanning language, reasoning, video, image, 3D, translation, and OCR models, many open-sourced since 2024.
Hunyuan3D
Hunyuan3D is a family of open 3D asset generation models from Tencent, first released in November 2024, that turns text or images into textured 3D meshes.
HunyuanImage
HunyuanImage is a family of open-weights text-to-image models published by Tencent. Its third generation, HunyuanImage 3.0, released September 2025, is an 80-billion-parameter Mixture-of-Experts model with open weights.
HunyuanVideo
HunyuanVideo is a family of open-weights text-to-video and image-to-video generation models published by Tencent, beginning with a 13-billion-parameter diffusion transformer released in December 2024 and followed by the smaller HunyuanVideo-1.5 in November 2025.
HunyuanWorld
HunyuanWorld is Tencent's open-source 3D world generation model family, first released in July 2025, converting text, images, or video into explorable 3D scenes importable into game engines.
HyperCLOVA (model family)
HyperCLOVA is a family of large language models developed by the Korean internet company NAVER, specialized in Korean language and culture, first released in 2021 and expanded into the HyperCLOVA X line.
IBM Granite
IBM Granite is a family of open-source generative AI foundation models developed by IBM for enterprise use, first released through watsonx on September 28, 2023.
Ideogram (text-to-image model)
Ideogram is a text-to-image model and generative media platform from Ideogram AI, a Toronto company launched in August 2023, known for rendering legible text in images.
Illustrious
Illustrious is a family of open-weights text-to-image models for anime and illustration, built on Stable Diffusion XL by OnomaAI Research, first trained in May 2024 on the Danbooru2023 dataset.
Imagen (text-to-image model)
Imagen, also known as Google Imagen, is a family of text-to-image diffusion models developed by Google and first presented in May 2022, which turn written descriptions into photorealistic images.
Imagen 3
Imagen 3 is a latent-diffusion text-to-image model released by Google in 2024, the third Imagen generation, behind image generation in ImageFX and Gemini during 2024 and 2025.
Imagen 4
Imagen 4 is a proprietary text-to-image latent diffusion model released by Google in May 2025, with improved spelling and typography as its headline advance over Imagen 3.
Imagen Video
Imagen Video was a text-to-video AI system announced by Google Research in October 2022, generating short high-definition clips from written prompts through a cascade of seven diffusion models.
IndexTTS
IndexTTS is a zero-shot text-to-speech model family from Bilibili's IndexTeam, first released in 2025, that clones a voice from one clip and controls emotion and duration.
Inkling (large language model)
Inkling is an open-weights multimodal large language model released by Thinking Machines Lab, Mira Murati's startup, on July 15, 2026, with 975 billion parameters and Apache 2.0 weights.
InstructPix2Pix
InstructPix2Pix is a diffusion model created by Tim Brooks and colleagues at UC Berkeley in 2022 that edits an image following a written instruction, with no per-image fine-tuning.
InternLM (model family)
InternLM is a family of open-weight large language models developed by Shanghai AI Laboratory with SenseTime and several universities, first released in 2023 and continued through the InternLM2, InternLM2.5, and InternLM3 generations.
InternVideo
InternVideo is a family of open video foundation models for video understanding, developed by the General Vision Group at Shanghai AI Laboratory since December 2022.
InternVL
InternVL is a family of open-weight vision-language models, processing images and text together, developed by OpenGVLab at Shanghai AI Laboratory and first released in December 2023.
Inworld TTS-2
Inworld TTS-2 is a closed-loop conversational text-to-speech model released by Inworld AI as a research preview on May 5, 2026, in two tiers, Realtime TTS-2 and Realtime TTS-2 Flash.
Jais (language model)
Jais, named for Jebel Jais, the highest peak in the United Arab Emirates, is a family of open bilingual Arabic-English large language models from Inception, MBZUAI, and Cerebras Systems.
Jais (جيس) (model family)
Jais (جيس) is a family of open-weight bilingual Arabic-English large language models developed by Inception, Cerebras Systems, and MBZUAI, first released in August 2023 and expanded to 20 models in 2024.