What is the main difference between Devin and OpenAI Codex CLI?

Devin focuses on fully autonomous, assign a task and devin plans, codes, tests, and submits a pr on its own while OpenAI Codex CLI highlights zero-config 'npm install' setup. Both target ide-agents, but their onboarding, AI depth, and pricing models feel different.

Which tool is better for speed and flow?

Both Devin and OpenAI Codex CLI aim for smooth iteration. Check the feature comparison above to see which matches your workflow, factors like setup time, AI responsiveness, and integration depth matter most.

How do Devin and OpenAI Codex CLI compare on pricing?

Devin lists core $20/mo (pay-as-you-go, $2.25/acu) · team $500/mo (250 acus included, $2/acu overage) · enterprise custom (vpc, sso, dedicated support), whereas OpenAI Codex CLI offers free. Consider which aligns with your budget and whether you need free tiers, seat-based plans, or bundled AI features.

Who should choose Devin vs OpenAI Codex CLI?

Devin fits teams that value Autonomous Agent, while OpenAI Codex CLI suits those prioritizing Terminal Power Users. If you need category-specific guardrails, start with the tool that matches your daily workflows.

Is Devin or OpenAI Codex CLI better overall?

"Better" depends on your specific workflow. Review the head-to-head feature comparisons above to identify which tool aligns with your priorities, pricing, integrations, and AI capabilities all factor in.

Can I use OpenAI Codex CLI for free?

Yes, OpenAI Codex CLI has a free tier available: Free. You can start without a credit card and upgrade when ready.

Vibe Coding Battle

Devin vs OpenAI Codex CLI

ide-agents

The definitive head-to-head comparison for Vibe Coders.

Devin

4.5/5

Product Hunt Trusted Score

OpenAI Codex CLI

5/5

Product Hunt Trusted Score

Try Devin Free →Try OpenAI Codex CLI Free →

Quick Comparison

Feature	Devin	OpenAI Codex CLI
Agentic / Autonomous Mode
Code Autocomplete
Chat / Prompt-Based Coding
Multi-file Editing
AI Models	Proprietary (Cognition models)	GPT-5.4, GPT-5.4-mini, GPT-5.3-Codex

Scroll down for in-depth category breakdowns ↓

Quick Verdict

OpenAI Codex CLI wins 2 of 4 categories

AI & Coding Features

OpenAI Codex CLI

Platform & Access

Devin

Pricing & Cost

OpenAI Codex CLI

Experience & ReviewsTie

Devin vs OpenAI Codex CLI: find out which platform fits your Vibe Coding workflow with a deep dive into AI capabilities, pricing, integrations, and real developer experience. This head-to-head overview highlights what makes each tool unique so you can make the right choice for your next build.

The Winner

OpenAI Codex CLI is the Vibe Coding Champion

Get Started with OpenAI Codex CLI →

AI & Coding Features

Feature	Devin	OpenAI Codex CLI
Agentic / Autonomous Mode
Code Autocomplete
Chat / Prompt-Based Coding
Multi-file Editing
AI Models	Proprietary (Cognition models)	GPT-5.4, GPT-5.4-mini, GPT-5.3-Codex
Image / Design to Code		★

Agentic / Autonomous Mode

Devin

OpenAI Codex CLI

Code Autocomplete

Devin

OpenAI Codex CLI

Chat / Prompt-Based Coding

Devin

OpenAI Codex CLI

Multi-file Editing

Devin

OpenAI Codex CLI

AI Models

Devin

Proprietary (Cognition models)

OpenAI Codex CLI

GPT-5.4, GPT-5.4-mini, GPT-5.3-Codex

Image / Design to Code

Devin

OpenAI Codex CLI

Devin is built around fully autonomous, assign a task and devin plans, codes, tests, and submits a pr on its own, while OpenAI Codex CLI focuses on zero-config 'npm install' setup. Devin uses Proprietary (Cognition models), while OpenAI Codex CLI runs on GPT-5.4, GPT-5.4-mini, GPT-5.3-Codex. The key question is whether you need agentic capabilities that autonomously handle multi-step tasks, or inline completions that keep you in flow as you type. Review the table above to see which AI features each tool actually offers.

Devin

Try Devin Free →

OpenAI Codex CLI

Try OpenAI Codex CLI Free →

Platform & Access

Feature	Devin	OpenAI Codex CLI
Platform Type	Cloud Agent (sandboxed IDE)	CLI tool
Runs in Browser	★
Built-in Deployment
Git Integration	★
Open Source		★

Platform Type

Devin

Cloud Agent (sandboxed IDE)

OpenAI Codex CLI

CLI tool

Runs in Browser

Devin

OpenAI Codex CLI

Built-in Deployment

Devin

OpenAI Codex CLI

Git Integration

Devin

OpenAI Codex CLI

Open Source

Devin

OpenAI Codex CLI

Devin is a cloud agent (sandboxed ide), while OpenAI Codex CLI is a cli tool. Whether a tool runs in your browser or requires a local install matters for getting started quickly. Built-in deployment means you can go from prompt to live app without switching tools. Consider what fits your workflow, some builders prefer everything in the browser, while others want the power of a local IDE.

Devin

Try Devin Free →

OpenAI Codex CLI

Try OpenAI Codex CLI Free →

Pricing & Cost

Feature	Devin	OpenAI Codex CLI
Free Plan Available		★
Starting Price	$20/mo (Core) + $2.25/ACU	$8/month (Go plan)
Token / Credit Based
Can Buy More Credits
Has Daily / Usage Limits

Free Plan Available

Devin

OpenAI Codex CLI

Starting Price

Devin

$20/mo (Core) + $2.25/ACU

OpenAI Codex CLI

$8/month (Go plan)

Token / Credit Based

Devin

OpenAI Codex CLI

Can Buy More Credits

Devin

OpenAI Codex CLI

Has Daily / Usage Limits

Devin

OpenAI Codex CLI

Devin is priced at core $20/mo (pay-as-you-go, $2.25/acu) · team $500/mo (250 acus included, $2/acu overage) · enterprise custom (vpc, sso, dedicated support). OpenAI Codex CLI is priced at free, with a free entry point. Both tools use a token or credit system, so your actual cost depends on how much you build. Pay attention to daily limits, some tools throttle usage even on paid plans during heavy coding sessions. Check whether you can buy additional credits if you hit the ceiling mid-project.

Devin

Try Devin Free →

OpenAI Codex CLI

Try OpenAI Codex CLI Free →

Experience & Reviews

Feature	Devin	OpenAI Codex CLI
Beginner Friendly
Target Audience	Teams delegating full tasks to an autonomous agent	Developers preferring lightweight local terminal workflows

Beginner Friendly

Devin

OpenAI Codex CLI

Target Audience

Devin

Teams delegating full tasks to an autonomous agent

OpenAI Codex CLI

Developers preferring lightweight local terminal workflows

Devin is aimed at experienced developers who are comfortable with code. OpenAI Codex CLI is aimed at experienced developers who are comfortable with code. The real test is how quickly you can go from idea to working app, setup time, documentation quality, and how intuitive the AI interaction feels all factor into the experience.

Devin

Try Devin Free →

OpenAI Codex CLI

Try OpenAI Codex CLI Free →

Feature data verified monthly. Some entries use automated inference. Report inaccuracy

What to do next

Try OpenAI Codex CLI Free Learn more about Devin

Related Comparisons

Devin vs Cursor Devin vs Google AntiGravity Devin vs Windsurf (by Cognition)Devin vs Claude Code

Which Should You Choose?

Use these decision criteria to find the right tool for your workflow.

Choose Devin if…

✓You work on autonomous agent projects
✓You work on end-to-end tasks projects
✓You need fully autonomous, assign a task and devin plans, codes, tests, and submits a pr on its own
✓You need sandboxed ide with shell, browser, and code editor for safe end-to-end execution
✓You need devin wiki auto-documents your codebase for faster onboarding and context sharing

Get Started with Devin →

Choose OpenAI Codex CLI if…

✓You live in the terminal and want the lightest open-source coding agent
✓You need full control over sandbox permissions and prefer CLI-based image input
✓You want to install via npm/brew and run headless in scripts
✓You prioritize API-key mode for separate billing or embedding in other tools

Get Started with OpenAI Codex CLI →

Why these tools are being compared

Both Devin and OpenAI Codex CLI compete for builders who want fast, AI-assisted creation without losing control of their stack. Devin is built around fully autonomous, assign a task and devin plans, codes, tests, and submits a pr on its own, while OpenAI Codex CLI is designed for zero-config 'npm install' setup. This matchup helps clarify which strengths matter most for your next launch.

Feature and pricing takeaways

On pricing, Devin offers core $20/mo (pay-as-you-go, $2.25/acu) · team $500/mo (250 acus included, $2/acu overage) · enterprise custom (vpc, sso, dedicated support), whereas OpenAI Codex CLI lists free. Feature-wise, Devin stands out for fully autonomous, assign a task and devin plans, codes, tests, and submits a pr on its own and sandboxed ide with shell, browser, and code editor for safe end-to-end execution, while OpenAI Codex CLI delivers zero-config 'npm install' setup and edits local files directly. If you care about AI speed and responsiveness, compare the feature breakdown below to see which tool keeps your flow steady.

Who should choose each tool

Choose Devin if you need Autonomous Agent and want a stack centered on ide-agents. Pick OpenAI Codex CLI when you value Terminal Power Users and prefer a tool that matches ide-agents. Check the feature comparison above to see which tool fits your workflow best.

At a Glance

Detail	Devin	OpenAI Codex CLI
Pricing	Core $20/mo (pay-as-you-go, $2.25/ACU) · Team $500/mo (250 ACUs included, $2/ACU overage) · Enterprise custom (VPC, SSO, dedicated support)	Free
Trusted Rating	4.5/5 (Product Hunt)	5/5 (Product Hunt)
Category	ide-agents	ide-agents
Best For	Autonomous Agent	Terminal Power Users
Key Strength	Fully autonomous, assign a task and Devin plans, codes, tests, and submits a PR on its own	Zero-config 'npm install' setup

FAQs: Devin vs OpenAI Codex CLI

What is the main difference between Devin and OpenAI Codex CLI?: Devin focuses on fully autonomous, assign a task and devin plans, codes, tests, and submits a pr on its own while OpenAI Codex CLI highlights zero-config 'npm install' setup. Both target ide-agents, but their onboarding, AI depth, and pricing models feel different.
Which tool is better for speed and flow?: Both Devin and OpenAI Codex CLI aim for smooth iteration. Check the feature comparison above to see which matches your workflow, factors like setup time, AI responsiveness, and integration depth matter most.
How do Devin and OpenAI Codex CLI compare on pricing?: Devin lists core $20/mo (pay-as-you-go, $2.25/acu) · team $500/mo (250 acus included, $2/acu overage) · enterprise custom (vpc, sso, dedicated support), whereas OpenAI Codex CLI offers free. Consider which aligns with your budget and whether you need free tiers, seat-based plans, or bundled AI features.
Who should choose Devin vs OpenAI Codex CLI?: Devin fits teams that value Autonomous Agent, while OpenAI Codex CLI suits those prioritizing Terminal Power Users. If you need category-specific guardrails, start with the tool that matches your daily workflows.
Is Devin or OpenAI Codex CLI better overall?: "Better" depends on your specific workflow. Review the head-to-head feature comparisons above to identify which tool aligns with your priorities, pricing, integrations, and AI capabilities all factor in.
Does Devin have a free plan?: Devin does not appear to offer a free tier. Pricing starts at Core $20/mo (pay-as-you-go, $2.25/ACU) · Team $500/mo (250 ACUs included, $2/ACU overage) · Enterprise custom (VPC, SSO, dedicated support). Check the official site for any trial options or money-back guarantees.
Can I use OpenAI Codex CLI for free?: Yes, OpenAI Codex CLI has a free tier available: Free. You can start without a credit card and upgrade when ready.

In summary, Devin vs OpenAI Codex CLI comes down to how you prioritize speed, AI assistance, and pricing flexibility. Scan the feature showdown and FAQs to match your workflow, then jump into the free trials to feel which experience delivers the best vibe.