OpenCode vs Question Base vs Gemini CLI vs OpenAI Codex

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

Your tool
OpenCode
vs
Competitor 1
Question Base
Competitor 2
Gemini CLI
Competitor 3
OpenAI Codex
Compare
4 tools · best value per row highlighted
Your tool 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.
Remove
Competitor Question Base
questionbase.com
Question Base is an AI answer agent that lives in Slack and responds to employee questions using your company's documentation, wikis and past conversations.
Make main Remove
Competitor 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.
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
—
—
—
204.3Mvisits/mo
MoM change
—
—
—
▲ 3.6%
6-month growth
—
—
—
+0.3%
Global rank web
—
—
—
#212
Avg. last 3 months
—
—
—
197.3M
Bounce rate lower is better
—
—
—
58%
Pages / visit
—
—
—
3.0
Visit duration
—
—
—
2m 31s
Traffic sources
—
—
—
● Direct 81% · ● Referral 17%
OpenCodeQuestion BaseGemini CLIOpenAI Codex
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 · 204.3M100M1BOpenAI 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
Free
Paid
Free
Freemium
Starting price
Free
$5per month
Free
$20per month · free tier available
Free tier
–
Free trial
–
–
–
–
API access
–
–
–
–
Plans
—
Proof of Concept $1,000Annual Pro $6,000/yrEnterprise+ $20,000/yr
Free (personal Google account) Free
—
Capabilities input → output
Input
CodeText
DocumentsText
CodeDocumentsImagesText
CodeText
Output
Code
Text
Code
Code
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Education & LearningAI Knowledge Management
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
6
6
9
Agents
Coding
–
Development
–
Debugging
–
–
Developer tools
–
–
Knowledge bases
–
–
–
Slack
–
–
–
Chatbots
–
–
–
GitHub automation
–
–
–
GitHub pull requests
–
–
–
Knowledge optimization
–
–
–
Code analysis
–
–
–
Code documentation
–
–
–
Code reviews
–
–
–
Knowledge
–
–
–
Local AI
–
–
–
Self hosted
–
–
–
Terminal
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.