Gemini CLI vs OpenAI Codex vs OpenCode vs Aider

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
OpenCode
Competitor 3
Aider
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 OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Make main Remove
Competitor Aider
aider.chat
AI pair programming in your terminal
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
204.3Mvisits/mo
—
317.9Kvisits/mo
MoM change
—
▲ 3.6%
—
▼ 15.9%
6-month growth
—
+0.3%
—
-12.7%
Global rank web
—
#212
—
#140,509
Avg. last 3 months
—
197.3M
—
378.5K
Bounce rate lower is better
—
58%
—
48%
Pages / visit
—
3.0
—
2.0
Visit duration
—
2m 31s
—
55s
Traffic sources
—
● Direct 81% · ● Referral 17%
—
● Direct 83% · ● Referral 16%
Gemini CLIOpenAI CodexOpenCodeAider
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 · 204.3MAider · 293.8KAider · 277.7KAider · 314.6KAider · 289.1KAider · 364.1KAider · 402KAider · 478.7KAider · 439.5KAider · 378KAider · 317.9K100K1M10M100M1BOpenAI 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 · 204.3MAider · 293.8KAider · 277.7KAider · 314.6KAider · 289.1KAider · 364.1KAider · 402KAider · 478.7KAider · 439.5KAider · 378KAider · 317.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Free
Free
Starting price
Free
$20per month · free tier available
Free
Free
Free tier
Free trial
–
–
–
–
API access
–
–
–
–
Plans
Free (personal Google account) Free
—
—
—
Capabilities input → output
Input
TextImagesDocumentsCode
TextCode
TextCode
AudioWeb pagesTextImagesCode
Output
Code
Code
Code
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
9
6
8
Coding
Development
Agents
–
Debugging
–
Terminal
–
–
Developer tools
–
–
Code testing
–
–
–
Git commands
–
–
–
GitHub automation
–
–
–
GitHub pull requests
–
–
–
Code analysis
–
–
–
Code documentation
–
–
–
Code reviews
–
–
–
Local AI
–
–
–
Refactoring
–
–
–
Self hosted
–
–
–
Terminal commands management
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.