Codex CLI vs LangGraph

Outline an API change for one field

Codex CLI handles this as a draft: Old, new, and who reads it in the snippets I paste. Do not ship the API.

Steps: 4
Cost: low
Time: Forty minutes

Unverified · learn.chatgpt.com · 15 Oct 2026

Draft a test plan for a bug

Codex CLI handles this as a draft: Cases, including the one that should fail today. Do not merge.

Steps: 4
Cost: low
Time: Half an hour

Unverified · learn.chatgpt.com · 14 Oct 2026

Point Codex CLI at one failing check

Codex CLI investigates a single red check, patches it, and shows the command output. It does not rewrite the suite to go green.

Steps: 4
Cost: low
Time: The first hypothesis and the mechanical fix, when the failure is already reproduced locally.

Unverified · learn.chatgpt.com · 14 Oct 2026

List error paths in a handler

Codex CLI handles this as a draft: What the user sees for each branch. Do not deploy.

Steps: 4
Cost: low
Time: Half an hour

Unverified · learn.chatgpt.com · 11 Oct 2026

Implement a small feature that already has acceptance notes

Codex CLI builds a feature described as observable behavior, runs the tests you name, and leaves unrelated files alone.

Steps: 4
Cost: low
Time: A focused implementation pass when acceptance notes already exist.

Unverified · learn.chatgpt.com · 18 Sep 2026

Find dead flags in a config file

Codex CLI handles this as a draft: Flags with no reference in the search I paste. Do not delete them.

Steps: 4
Cost: low
Time: Half an hour

Unverified · learn.chatgpt.com · 12 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