OpenAI Codex CLI vs OpenCode vs Voiceflow 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
Voiceflow
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 Voiceflow
voiceflow.com
Design conversations visually
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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385Kvisits/mo
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MoM change
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▼ 5.8%
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6-month growth
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-35.3%
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Global rank web
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#93,201
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Avg. last 3 months
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407.5K
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Bounce rate lower is better
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38%
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Pages / visit
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5.2
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Visit duration
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3m 07s
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Traffic sources
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● Direct 75% · ● Referral 24%
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OpenAI Codex CLIOpenCodeVoiceflowJetBrains AI Assistant
0150K300K450.1K600.1KVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385K100K1MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Free
Freemium
Freemium
Starting price
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Free
Free tier
€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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AI Free FreeAI Pro (individual) €100/yrAI Pro (organization) €200/yr
Capabilities input → output
Input
CodeImagesText
CodeText
DocumentsText
CodeText
Output
Code
Code
Apps
Code
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+3 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
6
13
5
Agents
Coding
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Developer tools
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Code autocompletion
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Customer support
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Customer support chatbot
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Voice agents
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Agent creation
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Call agents
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Call center automation
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Calls
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Chatbot building
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Chatbots
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Call answering
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Development
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Local AI
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MCP
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No-code
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Self hosted
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Terminal
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Website to chatbot
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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
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0
Prompts
0
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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.