Jules

by Google · Cloud agent

Jules is Google's asynchronous coding agent: pick a GitHub repo and branch, describe the task, and it clones the code to a cloud VM, plans, makes the change and opens a PR. Free plan includes 15 tasks per day.

What is Jules?

Jules shows its plan before executing and returns a diff for approval. You can also assign tasks by adding a 'jules' label to a GitHub issue.

Higher daily task limits come with Google AI Pro and Ultra subscriptions.

Jules pricing

Plans as publicly listed on the official pricing page, verified 2026-10-10.

PlanPriceNotes
Jules (free)$015 tasks/day, 3 concurrent
ProVia Google AI Pro100 tasks/day, latest models
UltraVia Google AI Ultra300 tasks/day, priority access

Source: https://jules.google/. Prices in USD, excluding tax.

Supported models

Google Gemini models (Gemini 3 Pro on paid tiers). Bring-your-own-key: not offered.

Gemini

Model watch: Gemini 4 Carbon — reported, unconfirmed: what we know

Features at a glance

  • ✓ Agent mode
  • — Autocomplete
  • ✓ Cloud / background agents
  • ? PR code review
  • ? MCP support
  • — Self-host option

Interfaces: Web · GitHub (issue label) · CLI.

Strengths and weaknesses

+ Strengths

  • Generous free daily task quota
  • Simple GitHub-first workflow

- Weaknesses

  • Gemini models only
  • GitHub only

Who is Jules best for?

Developers who want to offload chores (dependency bumps, tests, bug fixes) to a background agent for free.

Jules alternatives

Head-to-head: Jules vs OpenAI Codex · Jules vs Devin · Jules vs GitHub Copilot

Jules FAQ

How much does Jules cost?
As listed on the official pricing page (verified 2026-10-10): Jules (free): $0; Pro: Via Google AI Pro; Ultra: Via Google AI Ultra. Prices change often, so confirm on https://jules.google/.
Is Jules open source?
No. Jules is proprietary software from Google.
Which AI models does Jules support?
Google Gemini models (Gemini 3 Pro on paid tiers).
Who is Jules best for?
Developers who want to offload chores (dependency bumps, tests, bug fixes) to a background agent for free.
What are the best alternatives to Jules?
Popular alternatives include OpenAI Codex, Devin, GitHub Copilot. Use our side-by-side compare tool to see the differences.