Haystack vs OpenCode vs OpenAI Codex vs GitHub Copilot CLI

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

Your tool
Haystack
vs
Competitor 1
OpenCode
Competitor 2
OpenAI Codex
Competitor 3
GitHub Copilot CLI
Compare
4 tools · best value per row highlighted
Your tool Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Remove
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 OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
204.3Mvisits/mo
—
MoM change
—
—
▲ 3.6%
—
6-month growth
—
—
+0.3%
—
Global rank web
—
—
#212
—
Avg. last 3 months
—
—
197.3M
—
Bounce rate lower is better
—
—
58%
—
Pages / visit
—
—
3.0
—
Visit duration
—
—
2m 31s
—
Traffic sources
—
—
● Direct 81% · ● Referral 17%
—
HaystackOpenCodeOpenAI CodexGitHub Copilot CLI
066.6M133.2M199.7M266.3MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3M100M1BOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
—
Free
Freemium
Free
Starting price
—
Free
$20per month · free tier available
Free
Free tier
–
Free trial
–
–
–
–
API access
–
–
–
–
Plans
—
—
—
—
Capabilities input → output
Input
CodeDocuments
CodeText
CodeText
CodeText
Output
Apps
Code
Code
Code
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
6
9
5
Agents
Coding
–
Developer tools
–
GitHub pull requests
–
–
Development
–
–
Self hosted
–
–
Agent creation
–
–
–
LLM development
–
–
–
RAG
–
–
–
GitHub automation
–
–
–
Agent memory
–
–
–
Code documentation
–
–
–
Code reviews
–
–
–
Debugging
–
–
–
GitHub management
–
–
–
Local AI
–
–
–
Terminal
–
–
–
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
–
–
–
–

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.