Weaviate vs OpenCode vs OpenAI Codex CLI vs Haystack

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

Your tool
Weaviate
vs
Competitor 1
OpenCode
Competitor 2
OpenAI Codex CLI
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool Weaviate
weaviate.io
Search that understands meaning
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 CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
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
154.2Kvisits/mo
—
—
—
MoM change
▼ 11.8%
—
—
—
6-month growth
-7.0%
—
—
—
Global rank web
#293,589
—
—
—
Avg. last 3 months
155.7K
—
—
—
Bounce rate lower is better
41%
—
—
—
Pages / visit
1.9
—
—
—
Visit duration
50s
—
—
—
Traffic sources
● Direct 82% · ● Referral 18%
—
—
—
WeaviateOpenCodeOpenAI Codex CLIHaystack
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
Free
Paid
—
Starting price
$45per month · free tier available
Free
—
—
Free tier
–
–
Free trial
–
–
–
–
API access
–
–
–
Plans
Free FreeFlex $45/moPremium $0
—
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
—
Capabilities input → output
Input
DataImagesText
CodeText
CodeImagesText
CodeDocuments
Output
Data
Code
Code
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
3
2
5
Developer tools
Coding
–
–
LLM development
–
–
Agent creation
–
–
–
Agents
–
–
–
Vector databases
–
–
–
Databases
–
–
–
APIs
–
–
–
Agent memory
–
–
–
Development
–
–
–
Information retrieval
–
–
–
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.