OpenCode vs Constella vs OpenAI Codex CLI

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

Your tool
OpenCode
vs
Competitor 1
Constella
Competitor 2
OpenAI Codex CLI
Competitor 3
Compare
3 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.
Competitor Constella
constella.app
Opening Constella drops you into a system that ditches the usual file cabinet metaphor entirely
Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Traffic estimated monthly website traffic
Monthly visits
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7.4Kvisits/mo
—
MoM change
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▼ 2.5%
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6-month growth
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+67.1%
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Global rank web
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#1,944,958
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Avg. last 3 months
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9.2K
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Bounce rate lower is better
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35%
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Pages / visit
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5.0
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Visit duration
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1m 48s
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Traffic sources
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OpenCodeConstellaOpenAI Codex 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
Freemium
Paid
Starting price
Free
$5.99per month · free tier available
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Free tier
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Free trial
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–
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API access
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Plans
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Free FreeConstella Beta $5.99/yr
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Capabilities input → output
Input
CodeText
DocumentsTextWeb pages
CodeImagesText
Output
Code
Text
Code
Skill level
Advanced
Intermediate
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
5
4
Coding
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Agents
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Developer tools
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Knowledge bases
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Knowledge exploration
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Research
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Development
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Digital information management
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Local AI
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Note taking
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Self hosted
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Terminal
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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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.