OpenAI Codex vs Devin Review vs Kilo Code vs Claude Code

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

Your tool
OpenAI Codex
vs
Competitor 1
Devin Review
Competitor 2
Kilo Code
Competitor 3
Claude Code
Compare
4 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 Devin Review
app.devin.ai
Devin Review is the fastest way to truly understand code—especially when it changes
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Competitor Kilo Code
kilocode.ai
Kilo Code is an open source AI agent Visual Studio (VS) Code extension that focuses on enhancing the efficiency of coding. The tool can generate code, automate tasks, and offer practical suggestions.
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Competitor Claude Code
claude.com
Every plan tier hits usage limits
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Traffic estimated monthly website traffic
Monthly visits
204.3Mvisits/mo
1.6Mvisits/mo
1.9Kvisits/mo
123.5Mvisits/mo
MoM change
▲ 3.6%
▼ 7.9%
▼ 42.3%
▼ 6.8%
6-month growth
+0.3%
+275.1%
-94.4%
+106.6%
Global rank web
#212
—
#4,668,091
#434
Avg. last 3 months
197.3M
1.5M
10.5K
125.2M
Bounce rate lower is better
58%
20%
34%
64%
Pages / visit
3.0
10.0
2.4
2.2
Visit duration
2m 31s
7m 17s
19s
2m 36s
Traffic sources
● Direct 81% · ● Referral 17%
● Direct 60% · ● Referral 39%
—
● Direct 82% · ● Referral 15%
OpenAI CodexDevin ReviewKilo CodeClaude Code
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 · 204.3MDevin Review · 279.5KDevin Review · 296KDevin Review · 398KDevin Review · 425.8KDevin Review · 534.2KDevin Review · 794.3KDevin Review · 1.2MDevin Review · 1.7MDevin Review · 1.6MKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KClaude Code · 19.2MClaude Code · 19.5MClaude Code · 35.8MClaude Code · 59.8MClaude Code · 139.9MClaude Code · 133.1MClaude Code · 119.5MClaude Code · 132.6MClaude Code · 123.5M1K10K100K1M10M100M1BOpenAI 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 · 204.3MDevin Review · 279.5KDevin Review · 296KDevin Review · 398KDevin Review · 425.8KDevin Review · 534.2KDevin Review · 794.3KDevin Review · 1.2MDevin Review · 1.7MDevin Review · 1.6MKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KClaude Code · 19.2MClaude Code · 19.5MClaude Code · 35.8MClaude Code · 59.8MClaude Code · 139.9MClaude Code · 133.1MClaude Code · 119.5MClaude Code · 132.6MClaude Code · 123.5MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
$500per month · free tier available
$20per month · free tier available
$17per month · free tier available
Free tier
Free trial
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API access
–
–
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Plans
—
—
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Free FreePro $17/moMax 5x $100/moMax 20x Custom/mo+2 more
Capabilities input → output
Input
CodeText
CodeWeb pages
CodeText
CodeText
Output
Code
Text
Code
Code
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Code Review
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
5
4
6
Coding
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Code reviews
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Code analysis
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Debugging
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–
Development
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GitHub pull requests
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Agents
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Coding in VS Code
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GitHub
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Code documentation
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Vs code
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
2
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.