Gemini CLI vs OpenAI Codex vs Gemini vs Pi

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

Your tool
Gemini CLI
vs
Competitor 1
OpenAI Codex
Competitor 2
Gemini
Competitor 3
Pi
Compare
4 tools · best value per row highlighted
Your tool Gemini CLI
github.com
It can query and edit large codebases, generate new apps from PDFs, images, or sketches using multimodal input, and debug problems when you describe them in plain language.
Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Competitor Gemini
gemini.google.com
Google's most capable AI model
Make main Remove
Competitor Pi
pi.ai
An AI that's genuinely pleasant to talk with
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
204.3Mvisits/mo
2.6Bvisits/mo
473.9Kvisits/mo
MoM change
—
▲ 3.6%
▼ 2.6%
▼ 9.4%
6-month growth
—
+0.3%
+0.8%
-16.4%
Global rank web
—
#212
#17
#87,743
Avg. last 3 months
—
197.3M
2.7B
512.8K
Bounce rate lower is better
—
58%
28%
33%
Pages / visit
—
3.0
4.1
3.7
Visit duration
—
2m 31s
7m 01s
1m 37s
Traffic sources
—
● Direct 81% · ● Referral 17%
● Direct 94% · ● Referral 4%
● Direct 87% · ● Referral 9%
Gemini CLIOpenAI CodexGeminiPi
0725.8M1.5B2.2B2.9BOpenAI 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 · 2.6BPi · 609.8KPi · 591.6KPi · 610.8KPi · 583.3KPi · 566.6KPi · 557.8KPi · 576.6KPi · 541.3KPi · 523.3KPi · 473.9K100K1M10M100M1B10BOpenAI 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 · 2.6BPi · 609.8KPi · 591.6KPi · 610.8KPi · 583.3KPi · 566.6KPi · 557.8KPi · 576.6KPi · 541.3KPi · 523.3KPi · 473.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Free
Starting price
Free
$20per month · free tier available
$4.99per month · free tier available
Free
Free tier
Free trial
–
–
–
API access
–
–
–
–
Plans
Free (personal Google account) Free
—
Free FreeGoogle AI Plus $4.99/moGoogle AI Pro $19.99/moGoogle AI Ultra 5x $99.99/mo+1 more
—
Capabilities input → output
Input
TextImagesDocumentsCode
TextCode
AudioTextImagesDocumentsCode
AudioText
Output
Code
Code
VideoTextImagesCodeAudio
TextAudio
Skill level
Advanced
Advanced
Beginner-friendly
Beginner-friendly
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Chatbots & CompanionsEducation & LearningHealthcare & WellnessAI Chatbot+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
9
15
7
Coding
–
Agents
–
–
Chatbots
–
–
Debugging
–
–
Development
–
–
Chatting
–
–
–
Image generation
–
–
–
Companions
–
–
–
Email writing
–
–
–
GitHub automation
–
–
–
GitHub pull requests
–
–
–
Image to image
–
–
–
Large language models
–
–
–
Mental health
–
–
–
PDF analysis
–
–
–
Research
–
–
–
Search engine
–
–
–
Summarizing
–
–
–
Translations
–
–
–
Video generation
–
–
–
Video summaries
–
–
–
Wellness
–
–
–
Writing
–
–
–
Coaching
–
–
–
Code analysis
–
–
–
Code documentation
–
–
–
Code reviews
–
–
–
Developer tools
–
–
–
Image editing
–
–
–
Terminal
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
★ 4.33 ratings
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 11
▲ 1
Saves
0
0
1
1
Reviews
0
0
3
0
Prompts
0
0
4
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.