OpenCode vs Dify vs Haystack vs OpenAI Codex CLI
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
OpenCode
vs
OpenCode
Competitor 1
Dify
Dify
Competitor 2
Haystack
Haystack
Competitor 3
OpenAI Codex CLI
OpenAI Codex CLICompare
4 tools · best value per row highlighted
Your tool
OpenCode
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
Haystack
Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor
OpenAI Codex CLI
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
—
1Mvisits/mo
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—
MoM change
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▼ 16.6%
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—
6-month growth
—
-30.6%
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Global rank web
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#39,510
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Avg. last 3 months
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1.1M
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—
Bounce rate lower is better
—
41%
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Pages / visit
—
4.4
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—
Visit duration
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6m 40s
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—
Traffic sources
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● Direct 84% · ● Referral 15%
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—
OpenCodeDifyHaystackOpenAI Codex CLI
Pricing
Model
Free
Freemium
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Paid
Starting price
Free
$590per month · free tier available
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Free tier
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Free trial
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API access
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Plans
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Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Capabilities input → output
Input
CodeText
DocumentsText
CodeDocuments
CodeImagesText
Output
Code
Apps
Apps
Code
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
3
9
5
2
Developer tools
Agent creation
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Agents
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Coding
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LLM development
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Development
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No-code
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Workflows
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–
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Chatbots
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–
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Agent memory
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–
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Productivity
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 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.