G
GAI coding assistant and agents for editors, terminal, desktop and GitHub
Free, from $10/mo
Devin vs OpenAI Codex
Pricing, features, platforms and who each one suits — side by side.
D
Choose Devin if…
- you work on Windows, macOS, Linux
- you're in its core audience: software engineers, engineering teams
O
Choose OpenAI Codex if…
- you want the lower entry price ($8/mo vs $20/mo)
- you need an API to build on
- you work on iOS
- you're in its core audience: software developers, engineering teams
Side by side
Feature Devin OpenAI Codex
Pricing modelFreemiumFreemium
Starting price$20/mo$8/mo
Free plan
Free trial
API
Open source
Security and compliance—SOC 2 Type II, ISO 27001, GDPR, HIPAA
Updates, last 90 days—5
Agent mode
CLI / terminal
Cloud agents—
AI PR review—
PlatformsWeb, Windows, macOS, Linux, SlackWeb, iOS, API, Slack
CategoryCode AssistantsCode Assistants
CompanyCognitionOpenAI OpCo, LLC
Based inUnited StatesUnited States
Founded——
Part of——
Key features
D Devin
- Autonomous coding through to merge-ready pull requests
- Codebase mapping with updated architecture diagrams
- Browser testing of its own builds with session recordings
- Parallel cloud agents for large tasks
- Code review for bugs and vulnerabilities
- Scheduled and trigger-based automations for CI failures and alerts
- Slack, Microsoft Teams, GitHub, Jira and Linear integrations
- Cloud, desktop and CLI with per-session VMs
O OpenAI Codex
- Desktop app for local coding chats
- Command-line interface (CLI)
- IDE extension
- Cloud tasks through Codex on the web
- Automatic GitHub code review
- Slack integration
- SDK for scriptable workflows
- Works with an API key and pay-per-use billing
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Devin
Free$0
Pro$20/mo
Max$200/mo
Teams$80/mo team fee + $40 per full dev seat
EnterpriseCustom
OpenAI Codex
Free$0/month
Go$8/month
Plus$20/month
ProFrom $100/month
Business$20/user/month billed annually; $25 billed monthly
Enterprise & EduContact sales
API KeyPay per usage
Strengths and limitations
Devin
- Free plan with unlimited inline edits and Tab completions
- Pro plan at $20/month includes frontier models and Devin Cloud
- SOC 2, ISO 27001 and FedRAMP certifications
- Works from Slack, Teams, Jira and Linear
- Free plan has a light quota and limited models
- Usage beyond quotas is billed at API pricing
- Teams plan adds an $80 team fee on top of seats
OpenAI Codex
- Free plan includes basic Codex use in the desktop app
- Available in the desktop app, CLI, IDE, web, iOS and SDK
- Enterprise controls such as SCIM, RBAC, EKM and data residency
- API key option for pay-per-use billing
- Free and Go plans have no published usage numbers
- Plus usage limits are given only as estimated ranges
- API key use doesn't include cloud features such as code review or Slack
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy