OpenCode vs Haystack vs Stack AI

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

Your tool
OpenCode
vs
Competitor 1
Haystack
Competitor 2
Stack AI
Competitor 3
Suggested competitors for OpenCode: Qwen Code97% Gemini CLI96% Aider93% OpenAI Codex CLI92% TITheia IDE92% Google Antigravity91% Kimi Code90% OpenAI Codex90%
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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.
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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 Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
6.3Kvisits/mo
MoM change
—
—
▼ 57.9%
6-month growth
—
—
-93.7%
Global rank web
—
—
#1,700,092
Avg. last 3 months
—
—
13.9K
Bounce rate lower is better
—
—
39%
Pages / visit
—
—
1.8
Visit duration
—
—
14s
Traffic sources
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—
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OpenCodeHaystackStack AI
042K84K126K167.9KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3K1K10K100K1MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
—
Freemium
Starting price
Free
—
Free tier
Free tier
–
Free trial
–
–
API access
–
–
Plans
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—
—
Capabilities input → output
Input
CodeText
CodeDocuments
DataDocumentsText
Output
Code
Apps
Apps
Skill level
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
3
5
5
Agents
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Agent creation
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Developer tools
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Coding
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–
LLM development
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No-code
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–
Workflows
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–
Agent memory
–
–
Development
–
–
Finance workflow automation
–
–
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.