Alternatives to OpenAI Agents SDK (JavaScript)
OpenAI Agents SDK (JavaScript) is an agent framework by OpenAI: TypeScript and JavaScript framework for multi-agent workflows with tools, handoffs, guardrails, sandboxes and voice agents. If it doesn't fit your setup, these 12 agent frameworks cover similar ground. They are ordered by how closely they match OpenAI Agents SDK (JavaScript) and by our rank, which weighs adoption, freshness and documentation; money never changes the order. Pi Agent Core leads the list (more GitHub stars (117.6K)). Each entry shows data reasons to switch, and you can open a side-by-side comparison with OpenAI Agents SDK (JavaScript).
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
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OpenAI Agents SDK (JavaScript)
TypeScript and JavaScript framework for multi-agent workflows with tools, handoffs, guardrails, sandboxes and voice agents.
12 alternatives
Ordered by how closely each matches OpenAI Agents SDK (JavaScript) (shared product, category or stated alternative) and by rank.
- 1Pi Agent Core
Earendil
Minimal TypeScript agent harness with an agent runtime, multi-provider LLM API, terminal UI and coding agent CLI that users extend themselves.
- More GitHub stars (117.6K)
★ 117.6K↓ 5.1M/wkLast active Oct 24, 2026Compare →
AFreshness: A–Security: not graded yet - 2CopilotKit
CopilotKit
Open-source SDK that connects AI agents to app front ends with chat UI, generative UI, shared state and human approvals; creator of the AG-UI protocol.
- More GitHub stars (38.2K)
★ 38.2K↓ 286.2K/wkLast active Oct 24, 2026Compare →
AFreshness: A–Security: not graded yet - 3PraisonAI
Mervin Praison
Python framework for multi-agent teams and workflows, with a CLI and Docker, MCP and A2A deployment options.
- More GitHub stars (9.3K)
- Supports Python
★ 9.3K↓ 4.6K/wkLast active Oct 24, 2026Compare →
AFreshness: A–Security: not graded yet - 4Deep Agents
LangChain
Opinionated agent harness on LangGraph with sub-agents, filesystem access, context management, persistent memory and approval of tool calls.
- More GitHub stars (30.6K)
- Supports Python
★ 30.6K↓ 1.9M/wkLast active Oct 24, 2026Compare →
AFreshness: A–Security: not graded yet - 5Vercel AI SDK
Vercel
TypeScript toolkit for AI apps and agents with a unified provider API, streaming, UI hooks and a wrapper for running established agent harnesses.
- More GitHub stars (27.5K)
★ 27.5KLast active Oct 23, 2026Compare →
AFreshness: A–Security: not graded yet - 6LiveKit Agents (Node.js)
LiveKit
Node.js distribution of the LiveKit Agents framework for realtime voice agents in LiveKit rooms.
- Active in the last 30 days
- Open source (Apache-2.0)
★ 949↓ 547.5K/wkLast active Oct 24, 2026
AFreshness: A–Security: not graded yet - 7Deep Agents (JavaScript)
LangChain
The batteries included agent harness.
- 1.6K GitHub stars
- Active in the last 30 days
★ 1.6KLast active Oct 22, 2026
AFreshness: A–Security: not graded yet - 8
Open-source Python and TypeScript SDK for model-driven agents, with tools, MCP, multi-agent patterns and streaming.
- More GitHub stars (8.9K)
- Supports Python
★ 8.9K↓ 8.9M/wkLast active Oct 24, 2026
AFreshness: A–Security: not graded yet - 9GitHub Copilot SDK
GitHub
Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.
- More GitHub stars (10.6K)
- Supports Python and Go
★ 10.6K↓ 1.2M/wkLast active Oct 24, 2026
AFreshness: A–Security: not graded yet - 10Genkit
Google
Open-source Firebase framework for AI features and agent workflows in JavaScript, Go, Python and Dart, with model plugins.
- Supports Go and Python
★ 6.5K↓ 95.8K/wkLast active Oct 23, 2026
AFreshness: A–Security: not graded yet - 11ADK for TypeScript
Google
TypeScript toolkit for agents with Zod-typed tools, graph and multi-agent workflows, and Node.js or browser runtimes.
- 1.4K GitHub stars
- Active in the last 30 days
★ 1.4K↓ 143.5K/wkLast active Oct 23, 2026
AFreshness: A–Security: not graded yet - 12Letta
Letta
Open-source agent harness for stateful agents whose memory persists and improves with use, with a terminal UI, app server and TypeScript SDK.
- More GitHub stars (25.2K)
★ 25.2K↓ 40.7K/wkLast active Oct 18, 2026
AFreshness: A–Security: not graded yet
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- ComparisonOpenAI Agents SDK (JavaScript) vs PraisonAI
- ComparisonOpenAI Agents SDK (JavaScript) vs Pi Agent Core
- ComparisonCopilotKit vs OpenAI Agents SDK (JavaScript)
- ComparisonDeep Agents vs OpenAI Agents SDK (JavaScript)
- ComparisonOpenAI Agents SDK (JavaScript) vs Vercel AI SDK
- AlternativesAlternatives to Pi Agent Core
- AlternativesAlternatives to CopilotKit
- AlternativesAlternatives to PraisonAI
- AlternativesAlternatives to Deep Agents
- AlternativesAlternatives to LiveKit Agents (Node.js)