OpenAI Agents SDK vs Stack AI vs Haystack

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

Your tool
OAOpenAI Agents SDK
vs
Competitor 1
Stack AI
Competitor 2
Haystack
Competitor 3
Suggested competitors for OpenAI Agents SDK: AutoGen92% Pipecat91% LangGraph90% Agno89% LiveKit Agents89% CrewAI88% LangChain86% Amazon Bedrock AgentCore86%
Compare
3 tools · best value per row highlighted
Your tool OAOpenAI Agents SDK
openai.github.io
The OpenAI Agents SDK is a Python package for building agentic applications with very few abstractions.
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
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
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
—
—
—
OpenAI Agents SDKStack AIHaystack
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
—
—
—
Capabilities input → output
Input
AudioCodeText
DataDocumentsText
CodeDocuments
Output
AppsAudio
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
5
5
Agents
Agent creation
Developer tools
–
LLM development
–
–
No-code
–
–
Workflows
–
–
Agent collaboration
–
–
Agent memory
–
–
Finance workflow automation
–
–
Voice agents
–
–
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
–
–
–

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.