AI agents &amp; dev tools you can start without a credit card

Open-source VS Code agent with free model options.

OpenCode

💰 Free OSS agent; Zen DeepSeek V4.1 Flash Free is $0 usage but Console needs billing details for an API keyCoding agents & IDEs

Open-source terminal coding agent; optional Zen gateway has limited-time free models.

Kiro

💰 Free: 50 credits/moCoding agents & IDEs

AWS spec-driven agentic IDE.

Google Antigravity

💰 Free individual planCoding agents & IDEs

Google's agent-first development platform.

Vercel AI Gateway

💰 $5 free credits/moLLM APIs & local models

Unified gateway to many models.

Mastra

TypeScript agent framework.

Telnyx

💰 Pretrial: $25 AI credits, no card (AI suite only; help center vs API docs disagree on Inference access)LLM APIs & local models

Communications + AI platform. Pretrial gives $25 AI credits and one US number with no card.

All tools

No card only

Cursor

💰 Free Hobby plan; Pro $20/moCoding agents & IDEs

AI-first code editor with agent mode and tab completion.

GitHub Copilot

💰 Free: 2,000 completions + 50 chats/mo; free for studentsCoding agents & IDEs

AI pair programmer in VS Code, JetBrains and GitHub.

Devin Desktop (formerly Windsurf)

💰 Free plan with a light agent quotaCoding agents & IDEs

Agentic IDE (the renamed Windsurf) with a command center for coding agents.

Claude Code

Anthropic's terminal coding agent.

💰 Needs Claude Pro or API creditsCoding agents & IDEs

OpenAI Codex CLI

💰 Free tool; uses ChatGPT plan or APICoding agents & IDEs

Open-source terminal coding agent from OpenAI.

Gemini CLI

💰 Free tier with Google accountCoding agents & IDEs

Google's open-source terminal agent for Gemini.

Cline

💰 Free & open source; bring your own modelCoding agents & IDEs

Open-source autonomous coding agent for VS Code.

Kilo Code

Open-source VS Code agent with free model options.

Aider

AI pair programming in your terminal.

OpenCode

💰 Free OSS agent; Zen DeepSeek V4.1 Flash Free is $0 usage but Console needs billing details for an API keyCoding agents & IDEs

Open-source terminal coding agent; optional Zen gateway has limited-time free models.

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Open-source AI code assistant for VS Code/JetBrains.

Zed

💰 Free editor; AI free tierCoding agents & IDEs

Fast collaborative editor with built-in AI.

Kiro

💰 Free: 50 credits/moCoding agents & IDEs

AWS spec-driven agentic IDE.

Google Antigravity

💰 Free individual planCoding agents & IDEs

Google's agent-first development platform.

Trae

💰 Free planCoding agents & IDEs

AI IDE by ByteDance.

Devin

Autonomous AI software engineer by Cognition.

💰 Paid plansCoding agents & IDEs

OpenHands

Open-source autonomous software agent.

v0

💰 Free monthly creditsAI app builders

Vercel's AI UI and app generator.

Bolt.new

💰 Free daily tokensAI app builders

Prompt, run and deploy full-stack apps in browser.

Lovable

💰 Free daily creditsAI app builders

Build web apps by chatting.

Replit

💰 Free Starter planAI app builders

Cloud IDE with Replit Agent.

Firebase Studio

💰 Free in previewAI app builders

Google's browser-based AI app workspace.

Google AI Studio

💰 Free tier, no cardLLM APIs & local models

Prototype with Gemini models and get an API key.

OpenRouter

💰 Free models availableLLM APIs & local models

One API for hundreds of models, incl. free ones.

Groq

💰 Free tier with rate limitsLLM APIs & local models

Ultra-fast inference API.

Mistral AI

💰 Free experiment planLLM APIs & local models

Open and commercial models via La Plateforme.

Hugging Face

💰 Free account; inference creditsLLM APIs & local models

Hub of open models, datasets and Spaces.

Cerebras

💰 Free tierLLM APIs & local models

Very fast inference for open models.

Together AI

Inference and fine-tuning for open models.

💰 Pay as you goLLM APIs & local models

Ollama

💰 Free & open sourceLLM APIs & local models

Run open models locally.

LM Studio

💰 FreeLLM APIs & local models

Desktop app to run local LLMs.

Vercel AI Gateway

💰 $5 free credits/moLLM APIs & local models

Unified gateway to many models.

LangGraph

Framework for stateful multi-agent apps.

CrewAI

💰 Open source; cloud free tierAgent frameworks

Orchestrate role-playing AI agent teams.

Microsoft AutoGen

Framework for multi-agent conversations.

OpenAI Agents SDK

Lightweight SDK for building agents.

Vercel AI SDK

TypeScript toolkit for AI apps and agents.

Mastra

TypeScript agent framework.

Pydantic AI

Type-safe Python agent framework.

n8n

💰 Self-host free; cloud trialAutomation & agent builders

Workflow automation with AI agent nodes.

Zapier

💰 Free planAutomation & agent builders

No-code automation with AI agents.

Make

💰 Free planAutomation & agent builders

Visual automation platform.

Dify

💰 Free sandbox; self-host freeAutomation & agent builders

Open-source LLM app and agent builder.

Flowise

💰 Free & open sourceAutomation & agent builders

Drag-and-drop LLM flow builder.

Perplexity

AI answer engine with citations.

💰 Free planResearch

NotebookLM

Google's AI research notebook over your sources.

💰 FreeResearch

CodeRabbit

💰 Free for public reposCode review

AI pull request reviews.

Greptile

AI code review with full codebase context.

💰 Trial availableCode review

Sourcegraph Amp

💰 Free credits on signupCoding agents & IDEs

Agentic coding tool from Sourcegraph.

Supabase

💰 Free tier, no cardInfra for AI apps

Postgres backend with vector & AI features.

Vercel

💰 Free Hobby planInfra for AI apps

Frontend hosting for AI apps.

Cloudflare Workers AI

💰 Free daily allowanceInfra for AI apps

Run models on Cloudflare's edge.

Telnyx