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OpenAI Codex logo

Best OpenAI Codex Alternatives

Considering OpenAI Codex? Here are the 24 best AI Developer Tool alternatives we've reviewed, ranked by our score.

Read our OpenAI Codex reviewAll AI Developer Tool
GitHub Copilot logo

GitHub Copilot

Individual developers, teams, and enterprises seeking AI-powered code generation and assistance inside their existing IDEs

8.5
Rank #1 of 13 AI coding assistants
Best:Agents and your codebase10
Weakest:Privacy and security6.5
Free plan: yesFree trial: yesAPI: yes
FreeFree plan
100% from published facts · checked 14 Sep
→
OpenAI Codex vs GitHub Copilot →
JetBrains logo

JetBrains

Professional software developers using JetBrains IDEs seeking AI-powered code completion, agents, and enterprise governance

7.1
Rank #9 of 13 AI coding assistants
Best:Pricing10
Weakest:Where it works4
Free plan: yesFree trial: yesAPI: yes
From $10Free plan
96% from published facts · checked 14 Sep
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OpenAI Codex vs JetBrains →
Cursor logo

Cursor

Software developers and engineering teams building complex, large-scale software with AI-assisted and agentic coding workflows

8.4
Rank #2 of 13 AI coding assistants
Best:Agents and your codebase10
Weakest:Where it works7
Free plan: yesFree trial: noAPI: yes
From $20Free plan
100% from published facts · checked 14 Sep
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OpenAI Codex vs Cursor →
Tabnine logo

Tabnine

Enterprise development teams and individual developers who prioritize privacy, security, and compliance

7.5
Rank #4 of 13 AI coding assistants
Best:Privacy and security10
Weakest:Pricing3
Free plan: noFree trial: noAPI: yes
From $39No free plan
100% from published facts · checked 14 Sep
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OpenAI Codex vs Tabnine →
Claude logo

Claude

Writers, researchers and developers who want voice, memory, projects and code execution free, with deep research on paid plans

7.8
Rank #8 of 10 AI assistants
Best:Where it works10
Weakest:Pricing6
Free plan: yesFree trial: noAPI: yes
From $20Free plan
100% from published facts · checked 21 Sep
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OpenAI Codex vs Claude →
CodeRabbit logo

CodeRabbit

Engineering teams and developers seeking automated AI-powered code review on GitHub and GitLab

9.1
Rank #1 of 5 code review and security tools
Best:Review quality10
Weakest:Privacy and deployment7
ISO 27001: noHIPAA: no
From $24Free plan
100% from published facts · checked 14 Sep
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OpenAI Codex vs CodeRabbit →
AWS logo

AWS

Software developers, business analysts, and enterprise teams building on or managing AWS infrastructure

6.5
Rank #10 of 13 AI coding assistants
Best:Agents and your codebase10
Weakest:Model freedom1.5
Free plan: yesFree trial: noAPI: yes
From $0Free plan
100% from published facts · checked 14 Sep
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OpenAI Codex vs AWS →
Zed logo

Zed

Developers seeking a fast, AI-powered collaborative code editor

7.2
Rank #6 of 13 AI coding assistants
Best:Pricing10
Weakest:Agents and your codebase5
Free plan: yesFree trial: yesAPI: no
From $0Free plan
100% from published facts · checked 14 Sep
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OpenAI Codex vs Zed →
Cline logo

Cline

Individual developers and enterprise teams

7.2
Rank #6 of 13 AI coding assistants
Best:Pricing10
Weakest:Agents and your codebase4.5
Free plan: yesFree trial: noAPI: yes
FreeFree plan
100% from published facts · checked 14 Sep
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OpenAI Codex vs Cline →
Aider logo

Aider

Developers who want AI pair programming in their local terminal via open-source tooling

6.4
Rank #11 of 13 AI coding assistants
Best:Pricing10
Weakest:Agents and your codebase2.5
Free plan: yesFree trial: noAPI: no
FreeFree plan
96% from published facts · checked 14 Sep
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OpenAI Codex vs Aider →
Augment Code logo

Augment Code

Engineering teams and enterprises seeking agentic software development at organizational scale

6.3
Rank #13 of 13 AI coding assistants
Best:Agents and your codebase8.8
Weakest:Model freedom4.5
Free plan: noFree trial: noAPI: yes
From $20No free plan
92% from published facts · checked 14 Sep
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OpenAI Codex vs Augment Code →
BLACKBOX AI logo

BLACKBOX AI

Developers and engineering teams wanting encrypted multi-agent AI coding with fast inference

Unranked: no like-for-like peers
Free plan: yesFree trial: yesAPI: yes
From $10Free plan
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OpenAI Codex vs BLACKBOX AI →
Qodo logo

Qodo

Engineering teams seeking AI-powered code review, governance, and standards enforcement at scale

6.2
Rank #5 of 5 code review and security tools
Best:Review quality10
Weakest:Security scanning0
ISO 27001: no
From $0.01No free plan
98% from published facts · checked 14 Sep
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OpenAI Codex vs Qodo →
Snyk logo

Snyk

Development teams and security engineers securing AI-generated code, open source dependencies, containers, and IaC

6.5
Rank #4 of 5 code review and security tools
Best:Security scanning10
Weakest:Review quality0
ISO 27001: yesHIPAA: no
From $25Free plan
100% from published facts · checked 14 Sep
→
OpenAI Codex vs Snyk →
Sourcegraph logo

Sourcegraph

Enterprise engineering teams managing large, complex, multi-repository codebases

Unranked: no like-for-like peers
Free plan: noFree trial: noAPI: yesAgentic / autonomous mode: yesEnterprise SSO: yesCloud agents: yes
From $16,000 per yearNo free plan
→
OpenAI Codex vs Sourcegraph →
AskCodi logo

AskCodi

Individual developers and power users who want a local-first AI engineering team with multi-agent orchestration and BYOS (bring your own subscription)

Not scored yet
Free plan: yesFree trial: noAPI: yes
FreeFree plan
→
OpenAI Codex vs AskCodi →
Bito logo

Bito

Engineering teams wanting AI-powered architectural context, code generation, and code reviews grounded in full codebase knowledge

Unranked: no like-for-like peers
Free plan: yesFree trial: yesAPI: yesAgentic / autonomous mode: yesAutomated code review: yesEnterprise SSO: yes
Price not publishedFree plan
→
OpenAI Codex vs Bito →
CodeAnt AI logo

CodeAnt AI

Development teams and enterprises needing end-to-end code review, security scanning, and AI-powered penetration testing

8.6
Rank #2 of 5 code review and security tools
Best:Review quality10
Weakest:Pricing5
ISO 27001: noHIPAA: yes
From $30No free plan
95% from published facts · checked 14 Sep
→
OpenAI Codex vs CodeAnt AI →
Ideogram logo

Ideogram

Designers who need readable text and typography inside an image, with ownership and commercial use on every plan including the free one

7.6
Rank #3 of 7 AI image generators
Best:Control and automation9
Weakest:Openness and support6.5
Does not train on what you make: no
From $20Free plan
96% from published facts · checked 22 Sep
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OpenAI Codex vs Ideogram →
Warp logo

Warp

Developers and teams wanting AI-powered terminal with scalable agent usage

7.4
Rank #5 of 13 AI coding assistants
Best:Pricing8.9
Weakest:Privacy and security5
Free plan: yesFree trial: noAPI: yes
From $20Free plan
94% from published facts · checked 14 Sep
→
OpenAI Codex vs Warp →
Devin logo

Devin

Engineering teams and individual developers needing autonomous AI-driven code migrations, bug fixing, and repetitive engineering task automation

7.7
Rank #3 of 13 AI coding assistants
Best:Agents and your codebase10
Weakest:Model freedom5
Free plan: yesFree trial: noAPI: yes
From $20Free plan
88% from published facts · checked 14 Sep
→
OpenAI Codex vs Devin →
Replit logo

Replit

Developers and non-technical builders who want to go from idea to deployed app quickly using AI agents

4.2
Rank #5 of 5 AI app builders
Best:Pricing10
Weakest:Trust and compliance0
ISO 27001: noHIPAA: noBuilds mobile apps: yesAPI: no
From $20Free plan
100% from published facts · checked 14 Sep
→
OpenAI Codex vs Replit →
v0 by Vercel logo

v0 by Vercel

Developers and teams building UI with AI assistance

6.2
Rank #3 of 5 AI app builders
Best:Trust and compliance10
Weakest:What you can ship3
ISO 27001: yesHIPAA: yesBuilds mobile apps: noAPI: yes
From $30Free plan
100% from published facts · checked 14 Sep
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OpenAI Codex vs v0 by Vercel →
Greptile logo

Greptile

Engineering teams and individual developers who want AI-powered pull request code review with deep codebase context

7.6
Rank #3 of 5 code review and security tools
Best:Review quality10
Weakest:Fits your stack5
Free plan: yesFree trial: yesAPI: yes
FreeFree plan
85% from published facts · checked 14 Sep
→
OpenAI Codex vs Greptile →