Pipecat vs Haystack vs OpenAI Codex CLI vs Langflow

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

Your tool
Pipecat
vs
Competitor 1
Haystack
Competitor 2
OpenAI Codex CLI
Competitor 3
Langflow
Compare
4 tools · best value per row highlighted
Your tool Pipecat
pipecat.ai
Pipecat is an open-source Python framework for building voice and multimodal AI agents that talk in real time.
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 OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
—
215.3Kvisits/mo
MoM change
—
—
—
▼ 0.7%
6-month growth
—
—
—
-4.9%
Global rank web
—
—
—
#217,191
Avg. last 3 months
—
—
—
225.2K
Bounce rate lower is better
—
—
—
44%
Pages / visit
—
—
—
2.2
Visit duration
—
—
—
1m 04s
Traffic sources
—
—
—
● Direct 76% · ● Referral 24%
PipecatHaystackOpenAI Codex CLILangflow
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
—
Paid
Free
Starting price
Free
—
—
Free
Free tier
–
–
Free trial
–
–
–
–
API access
–
–
–
Plans
Open source Free
—
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
—
Capabilities input → output
Input
AudioTextVideo
CodeDocuments
CodeImagesText
Text
Output
AudioText
Apps
Code
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeVoice & SpeechAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
10
7
4
9
Agents
Developer tools
Agent creation
–
LLM development
–
–
Self hosted
–
–
Coding
–
–
–
No-code
–
–
–
RAG
–
–
–
Voice agents
–
–
–
Chatbots
–
–
–
Development
–
–
–
Voice
–
–
–
Voice assistance
–
–
–
Workflows
–
–
–
APIs
–
–
–
Agent collaboration
–
–
–
Agent memory
–
–
–
Agent testing
–
–
–
Call agents
–
–
–
Terminal
–
–
–
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
–
–
–
–

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.