OpenCode vs OpenAI Codex CLI vs Haystack vs NovaKit 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
Haystack
Competitor 3
NCNovaKit 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.
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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 Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Competitor NCNovaKit CLI
novakit.ai
Developers lose 30 seconds each time they switch AI providers or undo a bad code suggestion
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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1.7Kvisits/mo
MoM change
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▼ 35.7%
6-month growth
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-56.6%
Global rank web
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#12,617,937
Avg. last 3 months
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2.1K
Bounce rate lower is better
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38%
Pages / visit
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1.0
Visit duration
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Traffic sources
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OpenCodeOpenAI Codex CLIHaystackNovaKit CLI
01.7K3.5K5.2K6.9KNovaKit CLI · 1.8KNovaKit CLI · 3.8KNovaKit CLI · 6.9KNovaKit CLI · 1.4KNovaKit CLI · 2.2KNovaKit CLI · 2.6KNovaKit CLI · 1.7K1K10KNovaKit CLI · 1.8KNovaKit CLI · 3.8KNovaKit CLI · 6.9KNovaKit CLI · 1.4KNovaKit CLI · 2.2KNovaKit CLI · 2.6KNovaKit CLI · 1.7KJan '26FebMarAprMayJunJul
Pricing
Model
Free
Paid
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Freemium
Starting price
Free
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$12per month · free tier available
Free tier
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Free trial
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API access
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Plans
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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Capabilities input → output
Input
CodeText
CodeImagesText
CodeDocuments
CodeText
Output
Code
Code
Apps
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
3
2
5
2
Coding
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Developer tools
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Agent creation
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Agents
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LLM development
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Agent memory
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Code reviews
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Development
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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
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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.