app-enginelabs-ai

Announcing our $5.7m Seed RoundBuild anything with AI.Free forever.Build apps, agents and startups on the best AI models.No credit card or API key required.Build apps, agents and startups on the best AI models.No credit card or API key required.Claude Sonnet 4.6Web appSubmitTask managerPoll appRecipe collectionFinance trackerHabit trackerTrusted by teams atcto.new - Completely free AI code agent × We use cookies or similar technologies for technical purposes and, with your consent, for other purposes as specified in the cookie policy. Use the “Accept” button to consent. Use the “Reject” button to continue without accepting.Press again to continue 0/1Learn more and customizeRejectAccept --- PricingDocsBlogContactcto benchSign up for freeSign InIt's freeGPT-5.2, Claude Sonnet 4.5, Gemini 3 Pro PreviewFreeToken usageUnlimiAdditional team membersUnlimiAll API and MCP IntegrationsFreeSOC2 ComplianceFreTotal:$0.00Get started for FreeGet started today, no credit card required. Check our terms of service for more information.FAQsWhat models does cto.new use?Why is cto.new better than other AI software engineers?How can you offer cto.new completely for free?What tools does cto.new work with?What are the limitations of your free plan?Do I still own my own codebase?What does 'fair use' mean?Why should I trust cto.new with my work codebase?What's Premium?All rights reserved 2025,Era Technologies Holdings Inc.CompanyDocumentationBlogTrustSign inSocialGithubDiscordX (Twitter)LinkedInLegalPrivacyTermsCookiesPreferencesNotice at Collection × We use cookies or similar technologies for technical purposes and, with your consent, for other purposes as specified in the cookie policy. Use the “Accept” button to consent. Use the “Reject” button to continue without accepting.Press again to continue 0/1Learn more and customizeRejectAccept --- BlogAll CategoriesAINewsFeaturedMar 3, 2026Why we bet on ConvexWhen we were building the AI web app builder experience for cto.new, one question kept coming up: what backend should we bet our user experience on?Simon SpurrierLatestTechnologyAIFeb 26, 2026We Built an AI SRE Agent in Two DaysWe wanted a full-time SRE — but we're a small startup with limited resources. The ideal: a fully autonomous system that finds and fixes production issues without human involvement.Simon SpurrierAIFeb 4, 202650 days of cto benchWe shipped cto bench because our friends kept asking for it. They wanted to know which models our users preferred for real software engineering tasks. The results were often surprising.Simon SpurrierAIJan 30, 2026Choosing an AI sandbox provider in 2026Going into 2026, it’s time for an upgrade, and that means handing off our sandbox infrastructure to one of the many startups that have sprung up to specialise in this part of the stack.Simon SpurrierAIJan 11, 2026Making tokens affordableFor now, LLM inference is quite expensive. It’s getting cheaper, but your near unrestricted access to the frontier of AI on a daily basis costs someone, somewhere quite a lot of money.Simon SpurrierAIDec 31, 2025cto.new 2025 wrappedThanks for using cto.new in 2025! It’s been an incredible almost 3 months since we launched. We’re making thousands of PRs every day, we’ve used more than 300 billion frontier model tokens, shipped to over 10,000 codebases, and we’re just getting started.Michael LuddenAIDec 24, 202510 min readUsing Cursor IDE with cto.new as Your Background AgentCursor is an incredible IDE for local, AI-assisted development, but there's a pricing problem - especially when it comes to background agents. The solution? Connect cto.new via MCP server. This approach lets you offload heavy lifting to a free, world-class coding agent right from your primary, local IDE experience, without adding bloat.Michael LuddenLoad MoreAll rights reserved 2025,Era Technologies Holdings Inc.CompanyDocumentationBlogTrustSign inSocialGithubDiscordX (Twitter)LinkedInLegalPrivacyTermsCookiesPreferencesNotice at CollectionPricingDocsBlogContactcto benchSign up for freeSign In × We use cookies or similar technologies for technical purposes and, with your consent, for other purposes as specified in the cookie policy. Use the “Accept” button to consent. Use the “Reject” button to continue without accepting.Press again to continue 0/1Learn more and customizeRejectAccept --- cto benchModel success rates on real end-to-end coding tasks from cto.new usersLeaderboardMethodologyThe benchmark measures merged code as a percentage of completed tasksWe report a 4-day rolling success rate with a 1-day lag to allow for task resolutionWe exclude data from teams that have never merged any code using cto.newOnly models which meet a minimum usage threshold for statistical significance are includedThe leaderboard displays the most recently available measurements for models that meet the benchmark criteria within the last calendar monthToolsetReadFileReads text files from an absolute path.WriteFileWrites/overwrites a file at an absolute path.EditFileReplaces one uniquely identified text block in an existing file.GlobToolFinds files by glob patterns.GrepToolSearches file contents with regex.LsToolLists directories/files at an absolute path with pagination.TerminalToolRuns shell commands and interacts with processes in a VM terminal.