Open Weights
The best 9 Open Weights AI tools - Free & Paid
Explore 9 AI for Open Weights
gpt-oss playground provides open-weight demos of gpt-oss-120b and 20b for infrastructure testing, distributed and on-device inference, benchmarking, API integration, and reproducible research, with adjustable reasoning levels and visible-reasoning for diagnostics. Demo-only; validate outputs.
Freemium
Weights & Biases is an AI developer platform that simplifies machine learning experiments with tools for tracking, visualizing, and optimizing models. It enhances workflow efficiency through interactive visualizations and collaboration features.
Freemium
OpenCreator is a generative AI workstation that integrates over 20 AI models for efficient content creation. With an intuitive interface, it enables quick visual production for various applications, including marketing and education, while simplifying the creative process.
Free trial
- $19/mo
openspot is a networking tool that enables users to create engaging profiles using video, audio, and written content. It facilitates meaningful connections with employers while offering insights and analytics to enhance job search strategies.
Subscription
OpenHouse.ai consolidates sales, marketing, and operations data into a realβtime analytics engine that detects shifts in traffic, buyer behavior, pricing pressure, and sales velocity at the community level, diagnosing drivers and prescribing targeted pricing, incentive, and operational actions.
Subscription
Weightlifting.ai creates personalized Olympic weightlifting programs that adapt volume, intensity, and exercise selection in real time. Users set session frequency and lift priorities; the AI tracks performance, recovery, and taper timing for balanced, ageβappropriate training and competition peakin
Free
Open Notebook is a self-hosted, open-source notebook for private LLM workflows, supporting over 16 AI providers. It enables multi-modal content management, vector search, and contextual chat with full data sovereignty for research and development teams.
Freemium
Opper is a unified AI gateway and agent control plane that routes requests across 200+ models and modalities, offering centralized model routing, automated fallbacks, budget caps, LLM observability, a multi-provider testing playground, OpenAI-compatible SDK, and enterprise privacy/compliance control
Usage Based
OpenEvidence is a secure medical information platform for U.S. healthcare professionals, facilitating question logging, managing protected health information, and streamlining prior authorization letter writing with access to trusted clinical findings and insights from over 10,000 care centers.
Free