OpenAI Codex vs Augment Code vs Functionize

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
OpenAI Codex
vs
Competitor 1
Augment Code
Competitor 2
Functionize
Competitor 3
Suggested competitors for OpenAI Codex: Claude Code92% Cursor86% GitHub Copilot86% Jules85% CodeRabbit84% Gemini CLI82% Qodo (Formerly Codium)82% Google Antigravity80%
Compare
3 tools · best value per row highlighted
Your tool OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
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Competitor Augment Code
augmentcode.com
Augment Code is an agentic software development company whose Cosmos platform runs software agents across the development lifecycle.
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Competitor Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
204.3Mvisits/mo
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MoM change
▲ 3.6%
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6-month growth
+0.3%
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Global rank web
#212
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Avg. last 3 months
197.3M
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Bounce rate lower is better
58%
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Pages / visit
3.0
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Visit duration
2m 31s
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Traffic sources
● Direct 81% · ● Referral 17%
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OpenAI CodexAugment CodeFunctionize
066.6M133.2M199.7M266.3MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3M100M1BOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Freemium
Starting price
$20per month · free tier available
$20per month
$20per month · free tier available
Free tier
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Free trial
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API access
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Plans
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Standard $20/moBusiness $100/moEnterprise Custom
Free FreeGrowth $20/moScale $100/moEnterprise Custom
Capabilities input → output
Input
CodeText
CodeText
TextWeb pages
Output
Code
Code
Data
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+2 more
Development & CodeAI Testing
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
6
7
Agents
Coding
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Testing
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Code reviews
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Test automation
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GitHub automation
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GitHub pull requests
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Test creation
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Test generation
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Agent creation
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Code documentation
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Code testing
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Debugging
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Development
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Terminal
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Test cases
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Website testing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.