AI code editor with agents, cloud agents and code review, offered with a free Hobby tier and paid plans.
Free stops at: Limited Agent requests
Listed Not yet reviewed
Free · paid from $20/mo US · checked Sep 29
Coding · alternatives
Best FetchSandbox alternatives in 2026 (free and paid)
FetchSandbox is a verification engine for coding agents, and its pricing shape drives most departures. The free plan stops at 5 fixes per month, which real project work can pass quickly. The next step is Pro at $200 per workspace per month, a large jump for a small team, with overage of $3 per fix and $5 per 10,000 runs. Mocking your own APIs from a spec is limited to 5 on Team ($999 per month), and self-hosting needs an Enterprise sales conversation.
The alternatives are coding tools rather than test sandboxes. Cursor is an AI code editor; Individual (Pro) is $20 per month, usage-based, with a free Hobby tier. GitHub Copilot Pro is $10 per month, with a free option. Devin Desktop, formerly Windsurf, runs local and cloud agents in an IDE, with Pro at $20 per month. Lovable builds web apps from prompts on a credit system; its starting price is not stated in our data. They can write code, but our data does not say they simulate webhooks and failures.
"Better suited" below is based on documented features and pricing from our verified profiles, not on a head-to-head test. Prices are USD as published by each vendor.
Why people look beyond FetchSandbox
- Free plan limited to 5 fixes per month Real project work can pass 5 fixes quickly
- Pro is $200 per workspace per month; Team $999/month Small teams face a large jump to $200
- Overages billed at $3 per fix and $5 per 10,000 runs on Pro Teams with unusual APIs depend on Team tier
Taken from the documented limitations in our FetchSandbox profile.
FetchSandbox and its alternatives at a glance
| Tool | Starting price | Free tier | Platforms | Main limitation |
|---|---|---|---|---|
| FetchSandbox (this page) | $200/mo (Pro) | Yes | Web | Free is capped at 5 fixes a month, Pro costs $200 per workspace, and self-hosting plus SSO are Enterprise-only. |
| Cursor | From $20/mo (Individual (Pro)) | Yes | Desktop | Hobby has only limited Agent requests, and usage beyond the included amount is billed on demand. |
| GitHub Copilot | $10/mo (Copilot Pro) | Yes | Web, Desktop, Mobile | Chat, agents, code review and CLI all draw from a monthly GitHub AI Credits allowance that varies by model and task, so heavy agent use can exhaust a plan mid-month and require paid extra usage or an upgrade. |
| Devin Desktop (formerly Windsurf) | $20/mo (Pro) | Yes | Desktop | Free plan has light agent quota and limited model availability; enterprise features require contact. |
| Lovable | Not published | Yes | Web, Desktop, Mobile, API | All building, Cloud hosting and in-app AI use credits, and credits differ in value between plans and expire. |
4 alternatives to FetchSandbox, by need
| Alternative | Pick it when | Starting price | Watch out for |
|---|---|---|---|
| Cursor |
From $20/mo (Individual (Pro)) | ||
| GitHub Copilot |
$10/mo (Copilot Pro) | ||
| Devin Desktop (formerly Windsurf) |
$20/mo (Pro) | ||
| Lovable |
Not published |
AI coding assistant from GitHub offering code completions, chat and agent features in editors, the terminal and GitHub.
Free stops at: 2,000 completions per month, Limited chat and agent usage (allowance of GitHub AI Credits)
Listed Not yet reviewed
Verified github.com (opens GitHub Copilot website in a new tab)
Free · paid from $10/mo US · checked Sep 30
AI coding IDE, formerly Windsurf, now Devin Desktop: manage local and cloud coding agents inside a full IDE.
Free stops at: Light quota for agent usage, resets daily and weekly, Limited model availability
Listed Not yet reviewed
Verified windsurf.com (opens Devin Desktop (formerly Windsurf) website in a new tab)
Free · paid from $20/mo US · checked Sep 29
AI app builder that turns natural-language prompts into working web apps, using a credit-based plan system.
Free stops at: 5 daily build credits (up to 30 a month), 20 Cloud credits monthly
Listed Not yet reviewed
Free plan available US price unconfirmed
More coding tools worth a look
Open-source terminal AI agent from Google bringing Gemini to the command line; site notes unpaid and Google One users moved to Antigravity CLI.
Free stops at: Verify current availability
Listed Not yet reviewed
Verified geminicli.com (opens Gemini CLI website in a new tab)
Pricing US price unconfirmed
OpenAI's coding agent for the CLI, IDE extension, desktop app, web and iOS, included in ChatGPT plans or billed by API.
Free stops at: Desktop app only listed, Usage limits apply
Listed Not yet reviewed
Verified developers.openai.com (opens OpenAI Codex website in a new tab)
Free · paid from $8/mo US · checked Sep 29
Anthropic's agentic coding tool that reads your codebase, edits files and runs commands from the terminal, IDEs, desktop app or browser.
Watch out: Not included in the Free Claude plan, and usage on subscriptions is capped by plan limits.
Listed Not yet reviewed
Verified code.claude.com (opens Claude Code website in a new tab)
From $20/mo US · checked Sep 29
Private inference endpoint for open-weight models, built for coding agents, with zero request retention.
Watch out: Monthly plans cover estimated token totals, not fixed allowances, and agent tool calls (web search, fetch) ar…
Listed Not yet reviewed
Verified zro.moonmath.ai (opens Zro (by MoonMath) website in a new tab)
From $20/mo US · checked Sep 29
Full-stack design-to-code platform for building and deploying software with AI agents and real-time team collaboration.
Watch out: No pricing is published and access is through an early-access waitlist.
Listed Not yet reviewed
Pricing US price unconfirmed
E-commerce purchasing API that lets developers and AI agents search, buy, track and return products across thousands of retailers.
Free stops at: Search on the agent flow is described as free; agent sandbox with test keys.
Listed Not yet reviewed
From $1/order US · checked Sep 29
Frequently asked questions
Is there a free alternative to FetchSandbox?
FetchSandbox has a permanent free plan with 5 fixes per month. Cursor, GitHub Copilot, Devin Desktop and Lovable also list free options.
Why look beyond FetchSandbox?
The free plan is capped at 5 fixes, Pro is a $200 per workspace jump, and self-hosting plus SSO are Enterprise-only.
How much do FetchSandbox alternatives cost?
GitHub Copilot Pro is $10 per month, Cursor Individual (Pro) and Devin Desktop Pro are $20 per month. Lovable has no starting price in our data.
Do these alternatives simulate API failures?
Our data does not say so; they are described as coding assistants and app builders.