✓
Tool
Category
Pricing
Free?
Updated
Magical
AI Agents
Freemium
✓
Mar 2026
→
AI Chrome extension that automates repetitive browser tasks, data entry, and messaging
Best for: productivity
Vertex AI Reasoning Engine
AI Agents
Paid
—
Mar 2026
→
Google Cloud managed runtime for deploying and scaling AI agents in production
Best for: Google Cloud
LlamaIndex ✓
AI Agents
Freemium
✓
Mar 2026
→
Framework for building production RAG systems and data-connected AI agents
Best for: rag
AgentScope
AI Agents
Free
✓
Mar 2026
→
Fault-tolerant distributed multi-agent platform from Alibaba for production systems
Best for: multi-agent
GPT-Pilot
AI Agents
Free
✓
Mar 2026
→
AI developer agent that iteratively builds production apps with human collaboration
Best for: developer-agent
Langfuse
AI Agents
Freemium
✓
Mar 2026
→
Open-source LLM observability platform for tracing, debugging, and monitoring AI agents
Best for: observability
Humanloop
AI Agents
Freemium
✓
Mar 2026
→
Collaborative platform for prompt management, evaluation, and LLM fine-tuning
Best for: prompt-management
OpenAI Assistants API
AI Agents
Paid
—
Mar 2026
→
OpenAI managed API for building stateful AI agents with tools and persistent threads
Best for: OpenAI
Steamship
AI Agents
Freemium
✓
Mar 2026
→
Cloud hosting platform for AI agents with built-in storage and multi-tenancy
Best for: agent-hosting
Galileo AI
AI Agents
From $1/mo
—
Mar 2026
→
AI quality management platform for automated LLM evaluation and hallucination detection
Best for: evaluation