Claude vs OpenAI API vs Kilo Code vs OpenAI Codex

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

Your tool
Claude
vs
Competitor 1
OpenAI API
Competitor 2
Kilo Code
Competitor 3
OpenAI Codex
Compare
4 tools · best value per row highlighted
Your tool Claude
claude.ai
AI assistant built to be helpful, harmless, and honest
Remove
Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
Make main Remove
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.
Make main Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
950.2Mvisits/mo
15.2Mvisits/mo
1.9Kvisits/mo
204.3Mvisits/mo
MoM change
▼ 2.0%
▲ 4.6%
▼ 42.3%
▲ 3.6%
6-month growth
+54.8%
-2.4%
-94.4%
+0.3%
Global rank web
#40
—
#4,668,091
#212
Avg. last 3 months
955.4M
15.2M
10.5K
197.3M
Bounce rate lower is better
26%
34%
34%
58%
Pages / visit
4.5
5.4
2.4
3.0
Visit duration
6m 14s
3m 56s
19s
2m 31s
Traffic sources
● Direct 93% · ● Referral 5%
● Direct 82% · ● Referral 15%
—
● Direct 81% · ● Referral 17%
ClaudeOpenAI APIKilo CodeOpenAI Codex
0242.3M484.7M727M969.3MClaude · 180.3MClaude · 172.7MClaude · 202.9MClaude · 290.3MClaude · 613.7MClaude · 823.5MClaude · 952.6MClaude · 946.8MClaude · 969.3MClaude · 950.2MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MKilo 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 · 1.9KOpenAI 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 · 204.3M1K10K100K1M10M100M1BClaude · 180.3MClaude · 172.7MClaude · 202.9MClaude · 290.3MClaude · 613.7MClaude · 823.5MClaude · 952.6MClaude · 946.8MClaude · 969.3MClaude · 950.2MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MKilo 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 · 1.9KOpenAI 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
Freemium
Starting price
$20per month · free tier available
—
$20per month · free tier available
$20per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
Plans
Free FreePro $20/moMax 5x $100/moMax 20x $200/mo
—
—
—
Capabilities input → output
Input
CodeTextImagesDocuments
AudioDocumentsImagesText
TextCode
TextCode
Output
TextSlidesDocumentsDataCode
VideoTextAudioCodeImages
Code
Code
Skill level
Beginner-friendly
Advanced
Advanced
Advanced
Categories
Chatbots & CompanionsDevelopment & CodeEducation & LearningProductivity & Office+19 more
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
26
6
5
9
Coding
–
APIs
–
–
Agents
–
–
Large language models
–
–
Code reviews
–
–
Debugging
–
–
Terminal
–
–
Code documentation
–
–
Development
–
–
Chatbots
–
–
–
Coding in VS Code
–
–
–
Developer tools
–
–
–
Document summarization
–
–
–
Essay writing
–
–
–
GitHub automation
–
–
–
GitHub pull requests
–
–
–
LLM development
–
–
–
PDF analysis
–
–
–
Paraphrasing
–
–
–
Research
–
–
–
Summarizing
–
–
–
Translations
–
–
–
Writing
–
–
–
API integrations
–
–
–
Blogging
–
–
–
Chatbot building
–
–
–
Code analysis
–
–
–
Copywriting
–
–
–
Email writing
–
–
–
Grammar checking
–
–
–
Community on aitoolstime
Rating
★ 4.610 ratings
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 50
▲ 1
▲ 0
▲ 1
Saves
7
0
0
0
Reviews
10
0
0
0
Prompts
19
0
0
0
Verified listing
–
–
–
–

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.