AI coding tools: 14 editors, agents and app builders compared

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AI coding tools fall into four broad groups: editors with agents, terminal agents, cloud agents and app builders driven by natural-language descriptions. This guide compares 14 tools, their model options, entry prices and free tiers, with links to more detailed coverage. The price and feature snapshot is dated October 3, 2026; later announcements and account-specific limits should be checked before purchasing.

Start with the workflow you need

• If you already pay for ChatGPT Plus, consider Codex. The cited plan includes supported local and cloud coding workflows, subject to account limits.
• If you already pay for Claude Pro, consider Claude Code. It leads the cited coding-agent benchmark snapshot, although that ranking covers selected tools and configurations.
• If you have an eligible Google AI Pro subscription, consider Antigravity with its supported Claude and Gemini models, and check the included Jules allowance.
• If you want to stay in an editor and review changes close to the code, compare Cursor and GitHub Copilot . The cited Copilot Pro starting price is $10 per month.
• If you want to assign repository tasks from GitHub issues, compare supported Copilot or Codex cloud workflows and their repository requirements.
• If you do not write code, app builders such as Replit Agent and Lovablemay provide a more accessible starting point; v0 is another option for interface work.
• If you want to start without a subscription, compare the limits of Antigravity Free, Copilot Free and Cursor Hobby.
• If you regularly reach usage limits, measure your workload before considering higher tiers, including the cited $100-$200 options. A higher subscription price does not guarantee a better result on every task.

Comparison of 14 AI coding tools

Quoted dollar figures are the source’s provider prices before applicable taxes. Annual-billing figures are monthly equivalents, not the entire annual payment. Local Google retail prices are left for checkout verification instead of converting another country’s price into a US offer. Free-tier allowances and model menus are dated and can change.

The source describes MCP support in Claude Code, Codex, Cursor and Gemini CLI. MCPis a shared protocol for connecting tools and data to an agent. For workload budgeting, see how much AI coding tools cost. A wider agent overview including Factory and Warp appears in AI coding agents.

What the benchmarks measure

The cited September 1 Vals.ai SWE-bench Verified snapshot has seven of 86 models at 95% or above, limiting its ability to separate that leading group. Another useful perspective is Artificial Analysis’s Coding Agent Index v1.5, which measures a tool-and-model combination across DeepSWE, Terminal-Bench 4.0 and SWE-Atlas-QnA. The source obtained the figures below from a third-party copy, so their provenance matters.

Caveats: these figures come from BenchLM’s October 2, 2026 copy of the table, rather than a direct public AA result retrieved for this article. Argon access was restricted to selected testers. Cursor, Copilot and Devin Desktop were absent from that edition. A manufacturer-reported 89.9% SWE-bench Pro score for Opus 5.5 and a 61.5% leading result in a standardized Scale AI setup refer to different conditions and should not be treated as interchangeable.

AI coding editors

An editor-based workflow keeps the project and proposed changes visible in the same place. Agents may edit several files and run tools, while review and approval behavior depends on the product mode and configuration. This can suit people who want to inspect changes closely as they work.

Cursor

The source describes Cursor as an AI-focused editor acquired by SpaceX on August 14, 2026. Its quoted prices are a free Hobby tier, $20 for an individual paid plan and $40 per person for Teams. An earlier September 20 price snapshot also listed $60 and $200 tiers with larger allowances, but the October 3 page showed only a $20 Individual option, so those higher tiers require checkout verification. The source cites reporting that OpenAI access would end on November 12; Claude, Gemini, Grok and Composer were listed as alternatives. See Cursor, Cursor pricing.

Google Antigravity

Antigravity 2.0 combines an application, theagyterminal tool and an SDK. The source lists Gemini 3.8 Flash as the default from September 2, a weekly free allowance and larger allowances through eligible Google AI Pro and Ultra plans. Claude 5.5 access was described as requiring paid Pro or Ultra, with Claude 4.6 due to leave the affected routes on November 2. The source author’s account check is documented in Claude Opus 5.5 in Antigravity. The separate subscription comparison is in Claude through Google AI Pro.

Devin Desktop, formerly Windsurf

The source reports that Cognition acquired Windsurf and renamed it Devin Desktop on June 2, 2026. Quoted plans include a limited Free tier, Pro at $20, Max at $200 and Teams at $80 plus $40 per person, with billing details to confirm at checkout. Its listed model choices include SWE 1.7 and supported OpenAI, Anthropic and Google models. See Windsurf, now Devin Desktop. Related discussion: why an AI editor still needs a clear task.

GitHub Copilot

Copilot combines integrations for popular editors with a CLI and a cloud agent on GitHub. The source lists Free at 2000 completions and 50 chat requests; paid Pro at $10 with $15 of credits, Pro+ at $39 with $70, and Max at $100 with $200. The model menu includes supported Claude, GPT, Gemini, Grok and Kimi options. Credit consumption depends on the chosen model and feature. Its main practical advantage is integration with an existing GitHub workflow. See GitHub Copilot.

Terminal agents

A terminal agent runs from a project directory and can receive a complete task, such as adding tests for a payments module. It can read files, run commands and execute tests, with permissions and approval behavior controlled by its configuration. Basic shell and Git knowledge helps you review its work and recover from mistakes. Compare the approaches in Codex or Claude Code.

Claude Code

In the source snapshot, Claude Code is included in paid Claude plans rather than the free tier. Quoted prices are Pro at $20/month and Max at $100 or $200, with advertised allowances of five or 20 times Pro. Team starts at a monthly equivalent of $20 per person with annual billing. Listed models include Fable 5.1, Opus 5.5, Sonnet 5.5 and Haiku 4.5. The source describes shared five-hour and weekly limits across chat and coding. A longer-task test appears in Opus 5.5 in Claude Code.

Codex CLI

Codex CLI is OpenAI’s open-source terminal agent. The source distinguishes plan access by surface, describing Free and Go app access and CLI access through Plus or an API key. It quotes indicative five-hour Plus ranges of 5-45 messages for GPT-6 Astra, 15-160 for GPT-6.1 Sol and 350-3000 for GPT-6 Luna, with Pro tiers at $100, $200 and $500. Those dated ranges are not a guarantee for a particular workload; check the current account limits and supported sign-in method. Related launch coverage: OpenAI DevDay 2026.

Gemini CLI and Antigravity CLI

The source describes Gemini CLI as open source, with private Google-account sign-in removed on June 18, 2026. It lists API-key access and business Gemini Code Assist licenses as remaining routes, with an eligible free Flash quota of 250 daily requests. Antigravity CLI is described as the consumer alternative sharing usage with the Antigravity application. Verify current authentication and quota documentation before choosing a route.

Kimi Code

Kimi Code is Moonshot AI’s coding agent, using Kimi K3 through terminal, extension and app interfaces in the source snapshot. It is included from Kimi Plus at $19/month, or $15/month with annual billing. Other quoted tiers are Pro at $39, Max at $99 and Ultra at $199; Free excludes Code. It places 21st in the cited index. For company use, evaluate repository access, data handling and contractual requirements alongside the price, as you would for any external coding provider.

Cloud agents

A cloud agent works on a remote environment with a repository copy and returns changes, often through a pull request. Once the job is submitted, it can run independently of the local laptop. This can suit bounded fixes, tests and maintenance tasks, provided repository setup and review requirements are clear.

• Codex cloud tasks. The source describes submitting work from supported ChatGPT, app or terminal interfaces and notes that cloud work can consume allowance faster than local interactions. See Codex in the cloud.
• Jules. The source lists Free at 15 daily tasks and three concurrent tasks, Pro at 100 and 15, and Ultra at 300 and 60. Its model description was less precise, referring to models from Gemini 3 Pro onward. Treat that as a dated documentation reference rather than a verified current model identifier.
• Cursor cloud agents, formerly Background Agents. The source describes task initiation through supported GitHub or Slack integrations and draft pull requests, with handoff between local and cloud work in Cursor 3.
• Claude Code cloud sessions were described as available in Pro, Max and Team from September 23, sharing the broader Claude Code allowance. The source also recorded a one-time $100 or $250 promotional credit for eligible Pro or Max users through October 7. That deadline is historical and is not presented as a current offer.
• Copilot cloud agent. The source describes assigning an issue to the agent, which works through GitHub Actions and opens a draft pull request. It requires an eligible plan and consumes Actions minutes and credits under the applicable billing rules.

App builders driven by natural language

You describe an application and the service generates code, often with integrated hosting. This can accelerate prototypes and personal tools. Authentication, payments and handling other people’s data still require competent review. A workflow is covered in vibe coding step by step, with security examples in vulnerabilities in AI-generated apps.

Related guides: Replit Agent step by step, Replit pricing, Lovable step by step. The source’s October 3 credit-plan check appears in Lovable pricing, with a broader overview in the Lovable guide. The source author also gave terminal agents the same payroll-calculator task. That test is documented in the AI coding-agent calculator comparison. Its market-specific payroll rules should not be reused as another country’s tax calculator.

Three example monthly budgets

All example totals below are in US dollars before applicable taxes. Annual-billing prices are monthly equivalents. These are calculations from the dated rates above, not current checkout quotes.

For a freelancer, one included agent is often enough to begin measuring actual usage. Track limits and successful work for two weeks before adding subscriptions. A concrete team example using the source’s monthly rates is five people on Claude Team at $25 plus Copilot Business at $19: 5 × ($25 + $19) = $220 per month before tax. Confirm the current seat minimums, billing terms and included features. Non-price considerations are discussed in choosing a coding agent for a company.

Frequently asked questions

Which AI coding tool should I try first?

Start by checking the coding tools already included in a subscription you have. Compare Codex with eligible ChatGPT access, Claude Code with a paid Claude plan, or Antigravity with your Google account. Free editor tiers can help you test the workflow. For a non-coder, an app builder may be easier to start with, but generated code still needs review.

Which tool leads the cited coding benchmark?

The October 2 source copy of the Coding Agent Index lists Claude Code with Sonnet 5.5 at 68.4% and Opus 5.5 at 66.0%, with Codex and GPT-6.1 Sol fourth at 62.9%. Cursor and Copilot are absent from that edition. The table compares specific tool-and-model configurations, not every possible workflow or product feature.

Are there free AI coding tools?

The source lists limited free tiers for Copilot, Cursor, Antigravity, Devin Desktop, Kiro, Jules, Lovable, Bolt, v0 and Replit, plus eligible Flash API access for Gemini CLI. It describes Claude Code and Kimi Code as requiring paid access. Check current account eligibility and quotas before relying on any allowance.

Claude Code or Cursor?

Claude Code emphasizes agent-led work from terminal and related interfaces; Cursor places an agent inside an editor. Both have a cited $20 starting subscription, with different limits and model choices. Compare how you review changes, run tests and handle a whole task, rather than choosing only by model name.

Can these tools work in languages other than English?

The underlying models generally accept natural-language instructions, but language quality varies by tool and task. Code identifiers, compiler messages and much documentation remain in English. For an English-language project, state the required language for comments, interface text and documentation explicitly rather than relying on an automatic assumption.

Does Google AI Pro replace a Claude subscription?

It may cover part of the workflow if your account includes the desired Claude models in Antigravity, but that is not the same entitlement as the Claude app or Claude Code. Compare the actual tools, models, limits and local subscription price instead of treating shared model names as identical products.

Is AI-generated code secure?

Not automatically. The source cites a Veracode study in which 45% of evaluated AI-generated samples contained weaknesses from the OWASP Top 10 categories. That percentage describes the study’s sample, not every generated application. Review generated changes, run relevant tests and have security-sensitive authentication, data and payment code examined before deployment.