Lovable credits running out? Fix bugs for less

As of October 12, 2026, Lovable credits usually run out on fixes because every Build mode attempt is charged whether it works or not, and the AI is often guessing: it cannot see an error that only happens on your live site or in the backend, and nothing tests the app after each change. The fix is to change the routine, not just buy more credits. Investigate in Chat mode, which is priced at a fraction of a credit and covered first by a daily allowance. Find the root cause in Plan mode before building. Paste the exact error. Make one change per prompt. When fixes start to tangle, revert to the last working version instead of prompting forward.

This guide is for founders who built their app in Lovable and now watch the credit bar drop on bugs that keep coming back. It covers how credits are charged today, why fixes loop, how to see where your credits went, and a cheaper way to fix things. Every fact about Lovable comes from its official documentation and pricing page, listed under Sources.

How do Lovable credits work right now?

Lovable uses one credit balance for building, chatting, hosting your app's backend (Lovable Cloud), AI features in your published app, and some connectors. It spends usage-specific grants first, then the general credits that expire soonest. Our guide to Lovable's limitations covers plans and limits in full; this is the part that matters for fixing bugs.

Lovable's pricing page does not list each paid plan's monthly credit amount, and prices change, so check it there. Credits are not refundable.

What does each Lovable message cost?

Lovable has three modes, picked next to the chat input. Option+P on a Mac or Alt+P on Windows cycles through them. Build mode, which Lovable's docs say was previously called Agent mode, is the only one that changes your code.

Running out matters more once you have users. Lovable's docs say that at zero, building stops, AI features in your deployed app stop, and backend services may pause. Adding credits may not restart them; you may need to click Wake up under More, then Cloud, then Overview. With paying customers, keep a buffer or set up auto top-up.

Why do Lovable fixes burn credits and not stick?

A failed attempt is charged like a successful one, so anything that makes the AI guess makes fixing expensive. Five causes come up most.

• The AI cannot see the real error. Lovable reads the preview's console logs itself, but its debugging guide says errors outside the preview, such as on your published site or in backend logs, have to be pasted in. Without them, Lovable fixes what it imagines is wrong.
• The prompt is vague. Lovable's docs use "Nothing works, fix it!" as the example of what not to send. A vague prompt invites a broad change, and broad changes cost more and touch more code.
• Nothing checks the app after a change. Lovable's testing docs say most verification tools run only when you ask for them. A fix can pass in the preview while a flow you did not look at breaks. Our guide to how to test an AI-built app shows what to check.
• The code has grown large and tangled. Build mode is priced on how many files change and how much code Lovable explores, so a sprawling project costs more per fix and gives each fix more places to go wrong.
• The fix breaks something else. A change to shared code fixes one screen and breaks another, and the next prompt pays to fix that. This is the regression loop, and our guide to when every Lovable fix breaks something else covers it step by step. Catching it is what regression testing is for.

How can you see where your Lovable credits went?

First, find out whether your credits go on new features or on repeated fixes.

1. 01Check your balanceClick your workspace name at the top of the sidebar to see a credit bar. Click it to open Workspace settings, then Plans & credit usage.
2. 02Open the usage detailsOn the Plans & credit usage page, the Usage card shows recent activity. Select More usage details for the full page. Build and chat appear together under build credits; Cloud, AI and connectors appear under run credits.
3. 03Check the cost of single messagesIn the project chat, open the More options menu below any Lovable response. The Credits used line shows what that message cost, or Free if the daily chat allowance covered it.
4. 04Look for the patternIf a run of recent messages all mention the same screen, form or error, that is a fix loop. If run credits are growing instead, your live app is using credits as people use it, which is a different problem.

How do you spend fewer credits fixing bugs?

Lovable's debugging guide gives a short routine: Try to fix once or twice, describe the bug clearly, find the root cause in Plan mode, and revert if the code is tangled. Here it is with the credit savings spelled out.

1. 01Use Try to fix once or twice, then stopYour free fixes cover the first attempts at a build error. Lovable's guide says repeated blind fixes pile up code that hides the real problem, and switching to Plan mode after one or two failed attempts is usually faster.
2. 02Investigate in Chat modeChat mode never changes your code, and Lovable lists investigating errors among its uses. While the daily allowance lasts, the mode picker shows a Free badge. Choose Skip on any Start building card until you understand the cause.
3. 03Find the root cause in Plan modePlan mode also leaves your code alone and costs 1 credit a message, plus research. Point it at a specific page, feature or file so it does not research the whole project. Edit the plan, then approve it.
4. 04Paste the exact errorCopy the red message from the browser console on your live site, or from your backend logs, and paste it in full with the steps that cause it. Add a screenshot for layout problems.
5. 05Make one change per promptLovable's guide calls this the most important habit: one change, check it in the preview, then move on. If a prompt has "and" in it more than twice, split it.
6. 06Revert instead of prompting forwardOpen History from the top bar, find the last version that worked and click Revert, or edit an earlier message and choose Revert and resend. Spent credits are gone either way; reverting stops you paying to patch a broken base. It restores code only, not database data.
7. 07Edit words directly, not by promptFor a typo or a headline, use Edit text inline in the preview toolbar (press T). Those edits are free up to Lovable's daily limits. Selecting elements or drawing on the preview is charged like any build message.
8. 08Bookmark every working version and write it downBookmark the version after each working feature. After a hard bug, ask Lovable to summarize the cause and fix for your project knowledge, which its docs say is always part of its context.

A prompt to paste into Plan mode when a bug keeps coming back: "Do not change any code yet. This bug has come back after [number] attempts: [what happens, on which page]. Steps to reproduce: 1) ... 2) ... Expected: ... Actual: ... Error: [paste it in full]. List the fixes we have already tried and why each one did not hold. Then explain the root cause in plain English and propose one small fix that touches as few files as possible. Tell me which other features use the code you would change."

Prompting can fix a bug you can describe and reproduce in the preview. It cannot prove the fix holds everywhere else, or tell you whether your database rules protect customer data. That needs tests, logs and someone reading the code.

When should you stop prompting and get help?

Heavy credit use on fixes is often the first sign an app has outgrown prompting alone. Get an engineer to look when any of these is true:

• The same bug has come back three times, even after a Plan mode investigation.
• Fixes now cost more each week than new features, and you top up mid-month to keep up.
• The bug touches money, sign-in or real customer data, where a wrong guess has a cost beyond credits.
• You cannot tell which version was the last one that worked, or reverting means losing work you need.
• Customers are reporting the problem before you see it.

At that point the app usually needs cleanup and tests, not more prompts. Whether to clean up or start over is its own decision, covered in refactor or rebuild an AI-built app, and what ongoing upkeep costs compared with credits is in our guide to app maintenance cost. The free production-readiness check shows where your app stands in a few minutes. If you are stuck in a loop now, our vibe-coding rescue service is where named engineers take over the code, find the root cause and add the tests that stop it coming back.

On a Plutonapps plan you keep building in Lovable, and our engineers review and test each change before it reaches your customers. Plans are on our pricing page.

Sources

All checked on October 12, 2026.

• Lovable documentation: Credits and usage, on credit types, daily and monthly grants, rollover and expiry, Plan, Build and Chat costs, stopped requests, top-ups, running out and where to see usage (docs.lovable.dev/introduction/credits-and-usage).
• Lovable pricing page, on plan credit structure, expiry, refunds and credit examples (lovable.dev/pricing).
• Lovable documentation: Work with Lovable in the project chat, on the three modes, Try to fix and its 10 free fixes, Undo latest edit and Revert and resend (docs.lovable.dev/features/projects/chat).
• Lovable documentation: Discuss your app in Chat mode, on Chat mode never changing code, the daily chat allowance, the Free badge and pricing through October 31, 2026 (docs.lovable.dev/features/chat-mode).
• Lovable documentation: Plan a change in Plan mode, on Plan mode not modifying code, its cost, research costs and use for debugging (docs.lovable.dev/features/plan-mode).
• Lovable documentation: Implement changes in Build mode, on Build mode previously being called Agent mode, usage-based pricing and verification tools running on request (docs.lovable.dev/features/agent-mode).
• Lovable documentation: Preview toolbar, on it replacing Visual edits, free inline text edits and which toolbar actions use credits (docs.lovable.dev/features/visual-edit).
• Lovable documentation: Revert and restore your project with version history, on reverting code but not data, and credits not being refunded (docs.lovable.dev/features/projects/history).
• Lovable documentation: Debug and improve your app, on Try to fix once or twice, pasting errors from outside the preview, Plan mode for root causes and reverting (docs.lovable.dev/prompting/prompting-debugging).
• Lovable documentation: How to build a real product with Lovable, on one change per prompt, bookmarking working versions and the knowledge file (docs.lovable.dev/tips-tricks/from-idea-to-app).
• Lovable documentation: Test and verify your app, on most verification tools running only when asked (docs.lovable.dev/features/testing).