OpenCode vs OpenAI Codex CLI vs Constella vs GitHub Copilot CLI

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

Your tool
OpenCode
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
Constella
Competitor 3
GitHub Copilot CLI
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 OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Competitor Constella
constella.app
Opening Constella drops you into a system that ditches the usual file cabinet metaphor entirely
Make main Remove
Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
7.4Kvisits/mo
—
MoM change
—
—
▼ 2.5%
—
6-month growth
—
—
+67.1%
—
Global rank web
—
—
#1,944,958
—
Avg. last 3 months
—
—
9.2K
—
Bounce rate lower is better
—
—
35%
—
Pages / visit
—
—
5.0
—
Visit duration
—
—
1m 48s
—
Traffic sources
—
—
—
—
OpenCodeOpenAI Codex CLIConstellaGitHub Copilot CLI
05.4K10.8K16.3K21.7KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4K1K10K100KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Free
Paid
Freemium
Free
Starting price
Free
—
$5.99per month · free tier available
Free
Free tier
–
Free trial
–
–
–
–
API access
–
–
–
–
Plans
—
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free FreeConstella Beta $5.99/yr
—
Capabilities input → output
Input
CodeText
CodeImagesText
DocumentsTextWeb pages
CodeText
Output
Code
Code
Text
Code
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Education & LearningAI Knowledge Management
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
2
5
4
Coding
–
Developer tools
–
–
Agents
–
–
–
Developer assistance
–
–
–
Knowledge bases
–
–
–
Knowledge exploration
–
–
–
Research
–
–
–
Digital information management
–
–
–
GitHub management
–
–
–
Note taking
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 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.