Weaviate vs Haystack vs OpenAI Codex CLI vs Weights & Biases

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

Your tool
Weaviate
vs
Competitor 1
Haystack
Competitor 2
OpenAI Codex CLI
Competitor 3
Weights & Biases
Compare
4 tools · best value per row highlighted
Your tool Weaviate
weaviate.io
Search that understands meaning
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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.
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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.
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Competitor Weights & Biases
wandb.ai
Weights & Biases is an AI developer platform for tracking, evaluating and debugging machine learning models and LLM applications.
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Traffic estimated monthly website traffic
Monthly visits
154.2Kvisits/mo
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MoM change
▼ 11.8%
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6-month growth
-7.0%
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Global rank web
#293,589
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Avg. last 3 months
155.7K
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Bounce rate lower is better
41%
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Pages / visit
1.9
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Visit duration
50s
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Traffic sources
● Direct 82% · ● Referral 18%
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WeaviateHaystackOpenAI Codex CLIWeights & Biases
056.5K113K169.5K226KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2K100K1MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
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Paid
Freemium
Starting price
$45per month · free tier available
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$60per month · free tier available
Free tier
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Free trial
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API access
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Plans
Free FreeFlex $45/moPremium $0
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free FreePro $60/moEnterprise Custom
Capabilities input → output
Input
DataImagesText
CodeDocuments
CodeImagesText
CodeData
Output
Data
Apps
Code
Data
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
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4
8
Developer tools
LLM development
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Agents
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AI observability
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AI system monitoring
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Agent creation
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Coding
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RAG
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Vector databases
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Databases
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LLM testing
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Model training
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Models management
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APIs
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Agent memory
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Generative AI evaluation
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Information retrieval
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Self hosted
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Terminal
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
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Reviews
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Prompts
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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.