OpenAI Codex CLI vs OpenCode vs Devplan vs JetBrains AI Assistant

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
OpenCode
Competitor 2
Devplan
Competitor 3
JetBrains AI Assistant
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
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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 Devplan
devplan.com
Product development often stalls between the initial spark of an idea and the structured execution needed to build it
Make main Remove
Competitor JetBrains AI Assistant
jetbrains.com
JetBrains AI Assistant brings AI chat, coding agents and code completion directly into JetBrains IDEs.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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5Kvisits/mo
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MoM change
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▼ 20.2%
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6-month growth
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+131.4%
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Global rank web
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#3,650,414
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Avg. last 3 months
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5.1K
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Bounce rate lower is better
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43%
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Pages / visit
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1.8
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Visit duration
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12s
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Traffic sources
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OpenAI Codex CLIOpenCodeDevplanJetBrains AI Assistant
03K6K9K12KDevplan · 2.2KDevplan · 12KDevplan · 2.2KDevplan · 3.8KDevplan · 6.3KDevplan · 5K1K10K100KDevplan · 2.2KDevplan · 12KDevplan · 2.2KDevplan · 3.8KDevplan · 6.3KDevplan · 5KFeb '26MarAprMayJunJul
Pricing
Model
Paid
Free
Freemium
Freemium
Starting price
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Free
$100per month · free tier available
€8.33per month · free tier available
Free tier
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Free trial
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API access
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Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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Free FreeTeam $100/moEnterprise Custom
AI Free FreeAI Pro (individual) €100/yrAI Pro (organization) €200/yr
Capabilities input → output
Input
CodeImagesText
CodeText
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CodeText
Output
Code
Code
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Code
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Business & MarketingDevelopment & CodeProductivity & OfficeAI Coding Assistant+2 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
6
8
5
Coding
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Agents
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Developer tools
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Code autocompletion
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Product management
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Product management assistant
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Project specifications
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Project planning
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Agile product management
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Development
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Jira tickets
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Local AI
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MCP
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Product development
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Project management
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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
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.