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AI Tool Comparison › Semgrep vs OpenAI Codex
Head-to-Head Comparison

Semgrep vs OpenAI Codex

A detailed head-to-head comparison of Semgrep (Semgrep) and OpenAI Codex (OpenAI) across 34 scored criteria.

👁 3 views 📅 First compared Jul 7, 2026 📊 34 criteria scored
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Different tool categories Semgrep is categorised as Code Tools while OpenAI Codex is categorised as Coding. These tools serve different primary use cases — scores for criteria outside their category may be zero or estimated.
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Semgrep
Semgrep
Fast, customizable static analysis
Free (OSS)Free tierOpen SourceAPI
Intelligence
7.8
Coding
7.5
Creativity
1.8
Usability
5.9
Pricing
8.1
Visit website ↗
VS
🏆 Winner
💻
OpenAI Codex
OpenAI
Autonomous coding agent by OpenAI — built into ChatGPT, beats rivals on OSWorld GUI tasks
Included in ChatGPT Plus ($20/mo)Free tierAPIAgents
Intelligence
9.2
Coding
9.3
Creativity
8.5
Usability
9.0
Pricing
8.4
Visit website ↗
✓
Why trust this comparison? AIToolsRecap independently scores AI tools across 34 criteria. Trusted by 1,400+ AI practitioners · No sponsored rankings · No affiliate bias.
★★★★★
📝 Text ✗ ✓
🖼️ Image ✗ ✓
🎤 Voice ✗ ✗
🎬 Video ✗ ✗
💻 Code ✓ ✓
🤖 Agents ✗ ✓
🔌 API ✓ ✓
🆓 Free ✓ ✓
📖 Open Source ✓ ✗
Criterion
Semgrep
OpenAI Codex
🧠 Core Intelligence
7.8 9.2
Overall IntelligenceComposite AI intelligence rating
7.0
▶
9.2
Reasoning AbilityLogical / chain-of-thought
7.5
▶
9.5
Factual AccuracyCorrectness on knowledge queries
8.5
▶
9.3
Context HandlingLong-context / big document handling
7.0
▶
9.0
Instruction FollowingComplex prompt adherence
8.5
▶
9.2
Hallucination ResistanceHigher = less hallucination
8.0
▶
8.8
💻 Technical & Coding
7.5 9.3
Coding (General)Broad software development tasks
8.0
▶
9.5
Debugging SkillFinding & fixing bugs
7.5
▶
9.5
Code ExplanationExplaining code in plain English
7.0
▶
9.3
Multi-language SupportPython, JS, C#, Go, Rust…
8.5
▶
9.2
System DesignArchitecture & scalability
6.5
▶
9.0
API / IntegrationREST, GraphQL, SDK knowledge
7.5
▶
9.3
🎨 Creativity & Content
1.8 8.5
CreativityOriginality and novel ideas
2.0
▶
8.5
Writing QualityBlogs, articles, long-form
2.0
▶
8.8
Marketing CopyAds, headlines, hooks
1.5
▶
8.5
StorytellingNarrative & fiction
1.0
▶
8.0
Image GenerationNULL if not supported
— (N/A)
8.5
Design UnderstandingUI/UX suggestions
2.5
▶
8.5
🧑‍💼 Practical Use Cases
5.1 8.8
Business UseReports, strategy, analysis
6.0
▶
9.0
SEO ContentSearch-optimised writing
1.5
▶
8.0
Research & SummarizationCondensing complex info
5.5
▶
8.8
Productivity AutomationTask & workflow automation
7.5
▶
9.2
Agent CapabilityAutonomous multi-step workflows
5.0
▶
9.2
⚡ Performance & Usability
5.9 9.0
SpeedResponse latency
9.0
=
9.0
Ease of UseUX and onboarding
7.5
▶
9.5
CustomizationPrompts, tools, plugins
9.0
=
9.0
Memory / PersonalizationCross-session memory
2.0
▶
8.8
Multimodal SupportText, image, voice, video
2.0
▶
8.8
🔒 Reliability & Ecosystem
8.5 9.4
Reliability / StabilityUptime and consistent output
8.5
▶
9.3
EcosystemPlugins, API, integrations
8.5
▶
9.5
💰 Pricing & Enterprise
8.1 8.4
Pricing ValueValue for money
9.0
◀
8.0
API PricingCost per token / call
8.5
◀
7.5
Enterprise ReadinessSSO, SLA, admin controls
7.5
▶
9.2
Privacy & SecurityData handling & compliance
7.5
▶
9.0

Feature Support

Feature Semgrep OpenAI Codex
Text generation ✗ ✓
Image generation ✗ ✓
Voice / audio ✗ ✗
Video ✗ ✗
Code assistance ✓ ✓
Agent / autonomy ✗ ✓
Public API ✓ ✓
Free tier ✓ ✓
Open source ✓ ✗
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Our Verdict

OpenAI Codex leads on overall intelligence (9.2 vs 7.0). OpenAI Codex is the stronger pick for coding. OpenAI Codex shines for writing and content. For speed Semgrep has the edge, and on pricing value Semgrep offers more for the money.

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