Hedra
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Free tier available·All audiences·Powered by Hedra (proprietary frontier visual models) plus 100+ third-party models·API available
Key strengths
Frontier visual model research and inferenceWorld Model Runtime (WMR) purpose-built for diffusion, video, and world modelsManaged inference with 100+ modelsFine-tuning and training with reinforcement learning for task-specific objectivesGPU sandboxes with flexible scheduling and scalingHybrid, on-prem, and sovereign deployment optionsNo-code Studio for image and video creation
Free tier + paid plans · from $20 USD/mo
Self-hostable
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Recent changes
- Self-hosting: now available
- Models updated: Hedra (proprietary frontier visual models) plus 100+ third-party models
- Plans updated: Free plan available (no credit card). Paid plans: Basic $20/mo (2,000 credits), Pro $50/mo (7,200 credits), Ultra $100/mo (18,000 credits, up to 57,600 credits/month), Teams $75/mo (14,400 credits). Enterprise: custom pricing with dedicated support, private deployments, SSO, and more.
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Hedra — Technical Overview
Hedra is a freemium visual AI platform (founded 2024) that combines proprietary frontier visual model research with a managed inference layer and purpose-built runtime infrastructure. Key architectural pillars include:
- World Model Runtime (WMR): A runtime purpose-built for diffusion, video, and world models — optimized for the unique scheduling and memory demands these workloads impose compared to standard LLM inference.
- Model catalog: 100+ third-party models alongside Hedra's own proprietary frontier visual models, all accessible via API.
- Fine-tuning & training: Supports fine-tuning with reinforcement learning for task-specific objectives, enabling custom model adaptation beyond generic inference.
- GPU sandboxes: Flexible GPU sandbox environments with configurable scheduling and scaling for experimentation, training, and production workloads.
- Deployment flexibility: Supports hybrid, on-premises, and sovereign deployment options. The platform is self-hostable and open-source (34 GitHub stars).
- Enterprise features: Private deployments, SSO, dedicated support, and custom pricing available at the enterprise tier.
Pricing (credit-based): Free (no credit card) → Basic $20/mo (2,000 credits) → Pro $50/mo (7,200 credits) → Teams $75/mo (14,400 credits) → Ultra $100/mo (18,000–57,600 credits/mo) → Enterprise (custom).
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