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# Open Higgsfield AI — Open-Source Alternative to Higgsfield AI
> **The free, open-source alternative to Higgsfield AI.** Generate AI images and cinematic shots using 20+ state-of-the-art models — without the closed ecosystem or subscription fees.
> **The free, open-source alternative to Higgsfield AI.** Generate AI images and videos using 200+ state-of-the-art models — without the closed ecosystem or subscription fees.
Open Higgsfield AI is an open-source AI image and cinema studio that brings Higgsfield-style creative workflows to everyone. Powered by [Muapi.ai](https://muapi.ai), it supports models like Flux Schnell, Flux Dev, SDXL, Ideogram, Midjourney, and more — all from a sleek, modern interface you can self-host and customize.
Open Higgsfield AI is an open-source AI image, video, and cinema studio that brings Higgsfield-style creative workflows to everyone. Powered by [Muapi.ai](https://muapi.ai), it supports text-to-image, image-to-image, text-to-video, and image-to-video generation across models like Flux, Nano Banana, Midjourney, Kling, Sora, Veo, and more — all from a sleek, modern interface you can self-host and customize.
**Why Open Higgsfield AI instead of Higgsfield AI?**
- **Free & open-source** — no subscription, no vendor lock-in
- **Self-hosted** — your data stays on your machine
- **20+ models** — access more AI models than any single closed platform
- **200+ models** — text-to-image, image-to-image, text-to-video, image-to-video
- **Extensible** — add your own models, modify the UI, build on top of it
For a deep dive into the technical architecture and the philosophy behind the "Infinite Budget" cinema workflow, see our [comprehensive guide and roadmap](https://medium.com/@anilmatcha/building-open-higgsfield-ai-an-open-source-ai-cinema-studio-83c1e0a2a5f1).
@ -16,14 +16,34 @@ For a deep dive into the technical architecture and the philosophy behind the "I
## ✨ Features
- **Image Studio** — Generate images from text prompts (50+ text-to-image models) or transform existing images (55+ image-to-image models). Switches model set automatically based on whether a reference image is provided.
- **Video Studio** — Generate videos from text prompts (40+ text-to-video models) or animate a start-frame image (60+ image-to-video models). Same intelligent mode switching as Image Studio.
- **Cinema Studio** — Higgsfield AI-style interface for photorealistic cinematic shots with pro camera controls (Lens, Focal Length, Aperture)
- **Multi-Model Support** — Switch between 20+ AI image generation models (Flux, Nano Banana, Ideogram, Midjourney, SDXL, and more)
- **Smart Controls** — Dynamic aspect ratio and resolution pickers that adapt to each model's capabilities
- **Generation History** — Browse, revisit, and download all your past generations (persisted in browser storage). Now with a persistent sidebar in Cinema Studio.
- **Image Download** — One-click download of generated images in full resolution (up to 4K)
- **Upload History** — Reference images are uploaded once and stored locally. A picker panel lets you reuse any previously uploaded image across sessions — no re-uploading.
- **Smart Controls** — Dynamic aspect ratio, resolution, and duration pickers that adapt to each model's capabilities
- **Generation History** — Browse, revisit, and download all past generations (persisted in browser storage)
- **Image & Video Download** — One-click download of generated outputs in full resolution
- **API Key Management** — Secure API key storage in browser localStorage (never sent to any server except Muapi)
- **Responsive Design** — Works seamlessly on desktop and mobile with dark glassmorphism UI
### 🖼️ Image Studio — Dual Mode
The Image Studio automatically switches between two model sets:
| Mode | Trigger | Models | Prompt |
| :--- | :--- | :--- | :--- |
| **Text-to-Image** | Default (no image) | 50+ t2i models (Flux, Nano Banana, Ideogram, GPT-4o, Midjourney…) | Required |
| **Image-to-Image** | Reference image uploaded | 55+ i2i models (Kontext, Seededit, Nano Banana Edit, Upscaler, Background Remover…) | Optional |
### 🎬 Video Studio — Dual Mode
The Video Studio follows the same pattern:
| Mode | Trigger | Models | Prompt |
| :--- | :--- | :--- | :--- |
| **Text-to-Video** | Default (no image) | 40+ t2v models (Kling, Sora, Veo, Wan, Seedance, Hailuo, Runway…) | Required |
| **Image-to-Video** | Start frame uploaded | 60+ i2v models (Kling I2V, Veo3 I2V, Runway I2V, Wan I2V, Midjourney I2V…) | Optional |
### 🎥 Cinema Studio Controls
The **Cinema Studio** offers precise control over the virtual camera, translating your choices into optimized prompt modifiers:
@ -35,6 +55,17 @@ The **Cinema Studio** offers precise control over the virtual camera, translatin
| **Focal Lengths** | 8mm (Ultra-Wide), 14mm, 24mm, 35mm (Human Eye), 50mm (Portrait), 85mm (Tight Portrait) |
| **Apertures** | f/1.4 (Shallow DoF), f/4 (Balanced), f/11 (Deep Focus) |
### 📁 Upload History & Picker
Every image you upload is saved locally (URL + thumbnail) so you never upload the same file twice:
- Click the upload button to open the **reference image picker**
- Previously uploaded images appear in a 3-column grid with thumbnails
- Click any thumbnail to instantly reuse it — no API call needed
- Upload a new image with the "Upload new" button in the panel
- Remove individual images from history with the ✕ button
- History persists across browser sessions (stored in `localStorage`)
## 🚀 Quick Start
### Prerequisites
@ -70,16 +101,19 @@ npm run preview
```
src/
├── components/
│ ├── ImageStudio.js # Standard studio with prompt, pickers, canvas, history
│ ├── ImageStudio.js # Dual-mode t2i/i2i studio with dynamic model switching
│ ├── VideoStudio.js # Dual-mode t2v/i2v studio with dynamic model switching
│ ├── CinemaStudio.js # Pro studio with camera controls & infinite canvas flow
│ ├── UploadPicker.js # Reusable upload button + history panel component
│ ├── CameraControls.js # Scrollable picker for camera/lens/focal/aperture
│ ├── Header.js # App header with settings and controls
│ ├── AuthModal.js # API key input modal
│ ├── SettingsModal.js # Settings panel for API key management
│ ├── SettingsModal.js # Settings panel for API key management
│ └── Sidebar.js # Navigation sidebar
├── lib/
│ ├── muapi.js # API client (submit + poll pattern, x-api-key auth)
│ └── models.js # Model definitions with endpoint mappings
│ ├── muapi.js # API client: generateImage, generateVideo, generateI2I, generateI2V, uploadFile
│ ├── models.js # 200+ model definitions (t2i, t2v, i2i, i2v) with endpoint & input mappings
│ └── uploadHistory.js # localStorage CRUD + canvas thumbnail generation for upload history
├── styles/
│ ├── global.css # Global styles and animations
│ ├── studio.css # Studio-specific styles
@ -97,18 +131,16 @@ The app communicates with [Muapi.ai](https://muapi.ai) using a two-step pattern:
Authentication uses the `x-api-key` header. During development, a Vite proxy handles CORS by routing `/api` requests to `https://api.muapi.ai`.
## 🎨 Supported Models
File uploads use `POST /api/v1/upload_file` (multipart/form-data) and return a hosted URL that is passed to image-conditioned models.
| Model | Endpoint | Resolution Options |
|-------|----------|-------------------|
| Nano Banana | `nano-banana` | — |
| Nano Banana Pro | `nano-banana-pro` | **up to 4K** (Cinema Studio) |
| Flux Schnell | `flux-schnell-image` | — |
| Flux Dev | `flux-dev-image` | — |
| Flux Dev LoRA | `flux-dev-lora` | — |
| Ideogram V2 | `ideogram-v2` | — |
| SDXL | `sdxl` | — |
| And 15+ more... | | |
## 🎨 Supported Model Categories
| Category | Count | Examples |
|---|---|---|
| **Text-to-Image** | 50+ | Flux Dev, Nano Banana Pro, Ideogram v3, Midjourney v7, GPT-4o, SDXL |
| **Image-to-Image** | 55+ | Nano Banana Edit, Flux Kontext Pro, GPT-4o Edit, Seededit v3, Upscaler, Background Remover |
| **Text-to-Video** | 40+ | Kling v3, Sora 2, Veo 3, Wan 2.6, Seedance Pro, Hailuo 2.3, Runway Gen-3 |
| **Image-to-Video** | 60+ | Kling v2.1 I2V, Veo3 I2V, Runway I2V, Midjourney v7 I2V, Hunyuan I2V, Wan2.2 I2V |
## 🛠️ Tech Stack
@ -124,7 +156,7 @@ Higgsfield AI is a proprietary AI video and image generation platform. **Open Hi
| | Higgsfield AI | Open Higgsfield AI |
| :--- | :--- | :--- |
| **Cost** | Subscription-based | Free (open-source) |
| **Models** | Proprietary | 20+ open & commercial models |
| **Models** | Proprietary | 200+ open & commercial models |
| **Self-hosting** | No | Yes |
| **Customizable** | No | Fully hackable |
| **Data privacy** | Cloud-based | Your data stays local |
@ -136,10 +168,10 @@ MIT
## 🙏 Credits
Built with [Muapi.ai](https://muapi.ai) — the unified API for AI image generation models.
Built with [Muapi.ai](https://muapi.ai) — the unified API for AI image and video generation models.
---
**Deep Dive**: For more details on the "AI Influencer" engine, upcoming "Popcorn" storyboarding features, and the future of this project, read the [full technical overview](https://medium.com/@anilmatcha/building-open-higgsfield-ai-an-open-source-ai-cinema-studio-83c1e0a2a5f1).
---
*Looking for a free Higgsfield AI alternative? Open Higgsfield AI is an open-source AI image generation studio and Higgsfield AI replacement that you can self-host, customize, and extend.*
*Looking for a free Higgsfield AI alternative? Open Higgsfield AI is an open-source AI image and video generation studio and Higgsfield AI replacement that you can self-host, customize, and extend.*