Comparison
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 GitHub Copilot | 4 USD/mo | trial | Coding |
 Cursor | 20 USD/mo | yes | Coding |
 OpenAI Codex | 71 PLN/mo | no | Coding |
 Graphite | 20 USD/mo | trial | Coding |
 Google Antigravity | 30 USD/mo | yes | Coding |
 Zencoder | 40 USD/mo | trial | Coding |
 Greptile | 30 USD/mo | yes | Coding |
 Kilo Code | 15 USD/mo | yes | Coding |
 Kiro | 20 USD/mo | yes | Coding |
Each alternative in short
1. Cursor
AI coding agent and IDE that turns ideas into code, running tasks in parallel for developers and engineering teams.
Yes, there is a free plan. Hobby plan: limited Agent requests and access to Composer, no credit card required.
2. OpenAI Codex
AI coding agent from OpenAI that handles engineering tasks like bug fixes, refactors, features and code reviews for developers and teams.
No - according to the vendor, it is paid only.
3. Graphite
AI code review platform for GitHub teams, with stacked PRs, AI reviews, chat and a merge queue to ship code faster.
There is a free trial. Hobby plan is free for personal projects with limited AI Reviews and limited Chat, on personal account repos only. Team plan has a free trial, and the homepage mentions a free first 30 days with no credit card required.
4. Google Antigravity
Agentic development platform from Google for building software with AI agents, from a desktop IDE to a terminal CLI and SDK.
Yes, there is a free plan. Free plan without subscription: access to a variety of agent models, unlimited Tab completions, unlimited Command requests, basic weekly rate limits.
5. Zencoder
AI coding agents and orchestration for developers and teams, planning, building, and reviewing code across repos and tools.
There is a free trial. 7-day Pro trial with 5,000 credits, ending after 7 days or 5,000 credits, whichever comes first. The Free plan supports BYOK according to the pricing FAQ.
6. Greptile
AI code review agent that indexes your whole codebase and reviews pull requests for bugs and style issues, for engineering teams.
Yes, there is a free plan. Starter plan is free for one active developer, with unlimited repositories and 50 credits per month. A 14-day free trial is offered for Pro.
7. Kilo Code
Open source AI coding agent for developers, running in VS Code, JetBrains, the terminal and the cloud, with 500+ models at provider cost.
Yes, there is a free plan. Free plan for individuals with the open source VS Code, JetBrains and CLI extensions, and Auto Free routing to free models through Kilo Gateway where available. Enterprise-level Teams plans include a 14-day trial.
8. Kiro
AI coding agent from AWS that turns prompts into specs, tests code correctness, and runs parallel agents for developers and teams.
Yes, there is a free plan. Kiro Free: 50 credits, access to open weight models and Claude Sonnet 4.5, subject to rate limits.
FAQ
What is the best alternative to GitHub Copilot?
The most popular option in the same category is Cursor. See the comparison table above.