Alternatives · 2026
Best cto.new Alternatives in 2026
24 alternatives · 23 with a free plan · Updated
What are the best cto.new alternatives?
The best cto.new alternatives for AI Agent in 2026 are Code Arena (AI code generator, free), vly.ai (AI web app builder, free) and Palmier (autonomous AI code assistant for software development, freemium). 23 of the 24 listed alternatives have a free or freemium plan.
Looking for something other than cto.new? Below are 24 alternatives in AI Agent, AI Code Assistant and AI Code Generator, all closely matched, ranked by how much they overlap with cto.new. cto.new itself is free. Each entry shows what the tool does, what it shares with cto.new, its key features and pricing.
What is cto.new?
new without paying anything. That is the main pitch. new is a free AI code agent that works with frontier models from Anthropic and OpenAI, so you get access to the kind of models that usually sit behind paid plans or your own API billing. There is no credit card to enter and no API keys to hunt down or manage.
- Pricing
- Free
cto.new alternatives compared
| Tool | Pricing | Shared with cto.new | Match |
|---|---|---|---|
| cto.new | Free | — | Original |
| Code Arena | Free | AI Code Assistant, AI Code Generator, AI Developer Tools | Strong match |
| vly.ai | Free | AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools | Strong match |
| Palmier | Freemium | AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools | Strong match |
| Tonkotsu | Free | AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools | Strong match |
| Visdiff | Free | AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools | Strong match |
Top 24 alternatives to cto.new
- #1
Code Arena is an AI code generator that lets developers compare coding models side by side on multi-file apps.
In common with cto.new: AI Code Assistant, AI Code Generator, AI Developer Tools
- A platform to compare AI coding models and generate multi-file apps side-by-side
Pricing: free
- #2
AI web app builder that runs in your browser and turns plain English prompts into deployed sites, with no coding required.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- It offers state-of-the-art code generation
Pricing: free
- #3
Palmier is an autonomous AI code assistant for software development, with bots for GitHub and Slack and a free plan to start.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- Hobby Perfect for getting started and getting a feel for Palmier
- Includes everything in Teams
- SLA guarantees
Pricing: free plan, paid plans from $30
- #4
Tonkotsu is a GUI for managing autonomous AI coding agents from a planning document, with you approving every code diff before commit.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- GUI to manage autonomous AI coding agents using a structured doc workflow
Pricing: free
- #5
Design-to-code AI agent that generates frontend code from Figma designs and checks it pixel by pixel against the original design.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- It supports modern web stacks and can integrate directly into existing codebases via MCP
Pricing: free
- #6
Ovren is an AI engineering platform with autonomous frontend and backend developers that work inside your codebase on scoped coding tasks.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- AI engineering platform providing autonomous devel
Pricing: free
- #7
AI coding platform with agents that plan, write, and test software projects across your codebase from simple prompts.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- Grasps entire software architecture (dependencies
- Enables natural chat for multi-file edits and delegation of tasks to AI
- Supports world's latest and most advanced AI models (Claude
Pricing: free
- #8
AI coding assistant that gives GPT-4 access to a real development workstation for coding and DevOps tasks.
In common with cto.new: AI Code Assistant, AI Code Generator, AI Developer Tools
- AI co-programmer with GPT-4 access to a dev workstation for coding and DevOps tasks
Pricing: free
- #9
Curated community registry that helps developers find ranked plugins and agentic skills for Claude Code and OpenAI Codex coding agents.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- Curated community registry for Claude Code and OpenAI Codex plugins and agentic skills
Pricing: free
- #10
AI app builder for generating full-stack web apps with frontend, backend and database setup, aimed at developers and small teams.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
Pricing: free plan, paid plans from $49
- #11
AdaL is a multi-agent AI coding agent that automates software development workflows, with a CLI tool and browser-based agentic IDE.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
Pricing: free
- #12
Morph is an AI code editing API that applies LLM-generated edits to source files quickly and merges complex code changes for coding agents.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- Extremely fast code application (2000+ tokens/second)
- High accuracy in applying edits
- Cost-effective (10x cheaper than GPT-4o for applying edits)
Pricing: custom quote
- #13
Kiro is an AI IDE for spec-driven AI coding, helping developers plan structure and build software from prototype to production.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- Brings structure and mature engineering practices to AI coding
- Automates tasks and scales work efficiently with agent hooks
- Understands intent and manages context effectively
Pricing: free
- #14
Nimbalyst is a visual workspace for reviewing and managing AI coding agents like Claude Code and Codex, with a Kanban session board.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- Visual workspace and session manager for building with Claude Code and Codex agents
Pricing: free
- #15
Layout is an AI app builder for quickly creating software prototypes, code, and UI, with a free plan to start.
In common with cto.new: AI Code Assistant, AI Code Generator, AI Developer Tools
- Ideal for solo builders who need extra usage each month
- Unlimited private apps
- Deploy and host live apps (coming soon)
Pricing: free plan, paid plans from $25
- #16D
AI API regression testing tool that generates test cases and runs them in CI/CD pipelines to catch breaking changes before release.
In common with cto.new: AI Agent, AI Code Generator, AI Developer Tools
- It integrates seamlessly into CI/CD pipelines for crash-free deployments
Pricing: free
- #17
Open-source platform for building, managing, and running autonomous AI agents, aimed at developers who want to customize them.
In common with cto.new: AI Agent, AI Code Generator, AI Developer Tools
- Open-source and dev-first approach
- Extensive features for building and managing AI agents
- Marketplace for tools and templates
Pricing: free
- #18
Trae is an AI code editor with smart autocompletion and customizable AI agents for automating coding tasks, with privacy protections built in.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- Seamless integration into existing workflows
- Customizable AI agents for task automation
- Enhanced coding efficiency with smart autocompletion
Pricing: free
- #19
Relace is an AI code generation platform with models for code merging, codebase retrieval, and CI/CD integration.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- AI models and infrastructure for autonomous code generation
Pricing: free
- #20
Qodo is an AI code review and testing tool that helps developers check code quality, generate tests, and write code inside their IDE and Git workflow.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
- It integrates AI across development workflows to strengthen code quality at every stage
Pricing: free
- #21O
AI code generator and coding agent that writes, runs, and debugs code in a safe execution environment with zero setup.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator
- Autonomous code generation and debugging
- Safe execution environment
- Easy to use with zero setup
Pricing: free
- #22
Butterfish is a command-line tool that adds AI shell prompting and command autocompletion, using your own OpenAI API key.
In common with cto.new: AI Agent, AI Code Assistant, AI Developer Tools
- Provides contextual AI help directly in the shell
- Offers command autocompletion for faster workflow
- Allows for customizable prompts
Pricing: free
- #23
Potpie AI is an AI developer tool for building custom AI agents that work on codebases and handle engineering tasks.
In common with cto.new: AI Agent, AI Code Assistant, AI Developer Tools
Pricing: free
- #24C
Cosine AI is an AI software development platform whose autonomous engineer finds context, edits code, runs tests, and commits changes.
In common with cto.new: AI Agent, AI Code Assistant, AI Code Generator, AI Developer Tools
Pricing: free
How we picked these cto.new alternatives
We rank tools by how closely they match cto.new: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.
Frequently asked questions
What are the best alternatives to cto.new in 2026?
The closest alternatives to cto.new are Code Arena, vly.ai, Palmier, Tonkotsu and Visdiff. They are ranked by how many categories and tags they share with cto.new and how similar their descriptions are, then by community votes and views on SoftwareVital.
What is the closest alternative to cto.new?
Code Arena is the closest match because it shares AI Code Assistant, AI Code Generator and AI Developer Tools with cto.new. It is free.
Are there free alternatives to cto.new?
Yes. 23 of the 24 alternatives have a free or freemium plan, including Code Arena (free), vly.ai (free), Palmier (freemium), Tonkotsu (free) and Visdiff (free). cto.new is free.
Which cto.new alternatives are paid or enterprise tools?
Morph (enterprise) uses paid or enterprise pricing, which usually means more support and admin options for teams.
How does cto.new compare to Code Arena?
Code Arena overlaps with cto.new in AI Code Assistant, AI Code Generator and AI Developer Tools. Its listed features include a platform to compare AI coding models and generate multi-file apps side-by-side. Pricing: free. Open the side-by-side compare page for a full breakdown.
What category is cto.new in?
cto.new is listed under AI Agent on SoftwareVital. Browse that category to see more tools in the same group.