OpenAI Codex vs Gemini vs ChatGPT vs Kilo Code

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

Your tool
OpenAI Codex
vs
Competitor 1
Gemini
Competitor 2
ChatGPT
Competitor 3
Kilo 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
Remove
Competitor Gemini
gemini.google.com
Google's most capable AI model
Make main Remove
Competitor ChatGPT
chatgpt.com
Your AI assistant for everything
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
Traffic estimated monthly website traffic
Monthly visits
204.3Mvisits/mo
2.6Bvisits/mo
5.6Bvisits/mo
1.9Kvisits/mo
MoM change
▲ 3.6%
▼ 2.6%
▲ 3.5%
▼ 42.3%
6-month growth
+0.3%
+0.8%
-1.6%
-94.4%
Global rank web
#212
#17
#7
#4,668,091
Avg. last 3 months
197.3M
2.7B
5.5B
10.5K
Bounce rate lower is better
58%
28%
30%
34%
Pages / visit
3.0
4.1
4.3
2.4
Visit duration
2m 31s
7m 01s
6m 35s
19s
Traffic sources
● Direct 81% · ● Referral 17%
● Direct 94% · ● Referral 4%
● Direct 95% · ● Referral 3%
—
OpenAI CodexGeminiChatGPTKilo Code
01.5B2.9B4.4B5.8BOpenAI 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 · 204.3MGemini · 1.4BGemini · 1.7BGemini · 2.1BGemini · 2.1BGemini · 2.6BGemini · 2.8BGemini · 2.9BGemini · 2.9BGemini · 2.7BGemini · 2.6BChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BKilo 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 · 1.9K1K10K100K1M10M100M1B10BOpenAI 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 · 204.3MGemini · 1.4BGemini · 1.7BGemini · 2.1BGemini · 2.1BGemini · 2.6BGemini · 2.8BGemini · 2.9BGemini · 2.9BGemini · 2.7BGemini · 2.6BChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BKilo 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 · 1.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
$4.99per month · free tier available
$8per month · free tier available
$20per month · free tier available
Free tier
Free trial
–
–
–
API access
–
–
–
–
Plans
—
Free FreeGoogle AI Plus $4.99/moGoogle AI Pro $19.99/moGoogle AI Ultra 5x $99.99/mo+1 more
Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
—
Capabilities input → output
Input
TextCode
ImagesTextDocumentsCodeAudio
AudioTextImagesDocumentsCode
TextCode
Output
Code
VideoTextImagesCodeAudio
TextImagesCodeAudio
Code
Skill level
Advanced
Beginner-friendly
Beginner-friendly
Advanced
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
15
19
2
Coding
Chatbots
–
–
Image generation
–
–
Email writing
–
–
Research
–
–
Search engine
–
–
Summarizing
–
–
Translations
–
–
Writing
–
–
Image to image
–
–
Image editing
–
–
Coding in VS Code
–
–
–
Blogging
–
–
–
Code reviews
–
–
–
Copywriting
–
–
–
Essay writing
–
–
–
Grammar checking
–
–
–
Image to text
–
–
–
Large language models
–
–
–
PDF analysis
–
–
–
Video generation
–
–
–
Video summaries
–
–
–
Code documentation
–
–
–
Debugging
–
–
–
Refactoring
–
–
–
Community on aitoolstime
Rating
no ratings yet
★ 4.33 ratings
★ 4.34 ratings
no ratings yet
Upvotes
▲ 1
▲ 11
▲ 17
▲ 0
Saves
0
1
4
0
Reviews
0
3
4
0
Prompts
0
4
17
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.