Devin vs LangGraph

Draft a migration plan for one table

Devin handles this as a draft: Columns and the backfill question. Do not run SQL.

Steps: 4
Cost: medium
Time: An hour

Unverified · docs.devin.ai · 16 Oct 2026

Draft commit messages for a split

Devin handles this as a draft: One message per hunk group I describe. Do not commit.

Steps: 4
Cost: free
Time: Fifteen minutes

Unverified · docs.devin.ai · 14 Oct 2026

Review a diff for risky calls

Devin handles this as a draft: Network, auth, and migrations. Quote the lines. Do not approve the PR.

Steps: 4
Cost: low
Time: Forty minutes

Unverified · docs.devin.ai · 13 Oct 2026

Ask Devin for a pull request from a tightly written issue

Devin picks up one issue and opens a PR. The playbook tells it which repo, which commands, and what not to touch.

Steps: 4
Cost: medium
Time: A first implementation pass on an issue that already has repro steps. Review time does not go to zero.

Unverified · docs.devin.ai · 9 Oct 2026

Draft a rollback note

Devin handles this as a draft: The command in the runbook I paste and the signal that means stop. Do not execute it.

Steps: 4
Cost: low
Time: Twenty minutes

Unverified · docs.devin.ai · 8 Oct 2026

Review a Devin session before anyone merges

Use Devin's session output as a review packet: commands run, files touched, and tests actually executed. The playbook is for the reviewer, not a second coding agent.

Steps: 4
Cost: medium
Time: Reconstructing what the agent did, which is often longer than reading a normal PR.

Unverified · docs.devin.ai · 18 Sep 2026

LangGraph playbooks

Prepare a security report from a user email

LangGraph handles this as a draft: What they saw, when, and what I should not click. Do not reply with a link.

Steps: 4
Cost: low
Time: Fifteen minutes

Unverified · docs.langchain.com · 15 Oct 2026

Cluster tickets that share a phrase

LangGraph handles this as a draft: Group by the error string I name. Count each group. Do not close tickets.

Steps: 4
Cost: low
Time: Twenty minutes

Unverified · docs.langchain.com · 14 Oct 2026

Sort billing tickets that need finance

LangGraph handles this as a draft: Which ones mention a charge id. Do not refund.

Steps: 4
Cost: low
Time: Fifteen minutes

Unverified · docs.langchain.com · 11 Oct 2026

Route a support ticket in LangGraph and pause before reply

A small LangGraph app classifies a ticket, drafts a reply, and interrupts for a person before anything is sent.

Steps: 4
Cost: free
Time: Sorting a repetitive queue, after the graph is built. Building it is real engineering.

Unverified · docs.langchain.com · 26 Sep 2026

Compare a refund request to the policy

LangGraph handles this as a draft: Approve-shaped or deny-shaped, with the policy sentence. I decide. Do not issue a refund.

Steps: 4
Cost: free
Time: Ten minutes

Unverified · docs.langchain.com · 12 Sep 2026