# PromptHub.cloud

> The premier AI Prompt Engineering & Model Studio. Write, analyze, optimize, benchmark, and collaborate on production-grade AI prompts across 400+ frontier and open-weights models.

## Core Capabilities
- **Prompt Studio IDE**: Multi-model workspace with dynamic variable detection (`{{variable}}`), inline test runner, 11-format code export (LangChain, LlamaIndex, Python, TypeScript, cURL), and version history snapshots.
- **Prompt Analyzer**: 4-dimension audit scoring (Clarity, Specificity, Robustness, Safety) with automated heuristic vulnerability detection and token efficiency recommendations.
- **Prompt Optimizer**: AI-assisted single-click prompt enhancement and variant generation.
- **Multi-Model Arena**: Side-by-side prompt benchmarking and latency/token comparison across multiple LLM providers.
- **Marketplace & Community**: Community prompt discovery, verified creator revenue share, forkable prompt templates, and community reviews.
- **Autonomous AI Agents Studio**: 15 domain-specialized agents with tool augmentation (Web search, calculator, storage vault, code interpreter).
- **Team Workspaces**: Organization-level prompt management, RBAC member roles, shared libraries, and private vaults.

## Model Access Architecture
- **Free Tier Models**: High-efficiency free models provided through OpenRouter gateway (`liquid/lfm-2.5-2.6b:free`, `qwen/qwen3.8-27b:free`, `google/gemma-4-31b-it:free`, `nvidia/nemotron-3-super-120b-a12b:free`, `cohere/north-mini-code:free`).
- **Paid / Frontier Models**: Premium inference provided through AICredits with unified INR/credit wallet economics.
- **BYOK (Bring Your Own Key)**: Direct client-side encrypted credentials for 12 providers (OpenAI, Anthropic, Google Gemini, Groq, Mistral, DeepSeek, xAI, OpenRouter, etc.). Zero server-side storage of BYOK keys.

## Canonical URLs
- Homepage: https://prompthub.cloud/
- AI Workspace: https://prompthub.cloud/workspace
- Prompt Library: https://prompthub.cloud/library
- Collections & Templates: https://prompthub.cloud/collections
- Marketplace: https://prompthub.cloud/marketplace
- Community: https://prompthub.cloud/community
- Models Directory: https://prompthub.cloud/models-guide
- BYOK API Credentials: https://prompthub.cloud/credentials
- Pricing & Credits: https://prompthub.cloud/pricing
- Full LLM Specification: https://prompthub.cloud/llms-full.txt