pgvector vs Defapi vs Replicate vs Weaviate

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

Your tool
pgvector
vs
Competitor 1
DDefapi
Competitor 2
Replicate
Competitor 3
Weaviate
Compare
4 tools · best value per row highlighted
Your tool pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
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Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Make main Remove
Competitor Replicate
replicate.com
Run open-source AI without managing servers
Make main Remove
Competitor Weaviate
weaviate.io
Search that understands meaning
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
2.4Kvisits/mo
1Mvisits/mo
154.2Kvisits/mo
MoM change
—
▼ 42.6%
▼ 3.1%
▼ 11.8%
6-month growth
—
-86.2%
-30.2%
-7.0%
Global rank web
—
#4,650,820
#39,584
#293,589
Avg. last 3 months
—
4.8K
1.1M
155.7K
Bounce rate lower is better
—
36%
35%
41%
Pages / visit
—
1.4
5.6
1.9
Visit duration
—
7s
5m 09s
50s
Traffic sources
—
—
● Direct 92% · ● Referral 6%
● Direct 82% · ● Referral 18%
pgvectorDefapiReplicateWeaviate
0415.2K830.4K1.2M1.7MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KReplicate · 1.6MReplicate · 1.7MReplicate · 1.5MReplicate · 1.3MReplicate · 1.5MReplicate · 1.3MReplicate · 1.3MReplicate · 1.2MReplicate · 1.1MReplicate · 1MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2K1K10K100K1M10MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KReplicate · 1.6MReplicate · 1.7MReplicate · 1.5MReplicate · 1.3MReplicate · 1.5MReplicate · 1.3MReplicate · 1.3MReplicate · 1.2MReplicate · 1.1MReplicate · 1MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Paid
Freemium
Freemium
Starting price
Free
—
—
$45per month · free tier available
Free tier
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–
Free trial
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–
–
–
API access
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–
Plans
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Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
Public Models Custom/usage-basedPrivate Models Custom/usage-based
Free FreeFlex $45/moPremium $0
Capabilities input → output
Input
Data
AudioImagesText
ImagesText
DataImagesText
Output
Data
TextImagesAudio
VideoTextImagesAudio
Data
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI API
Development & CodeAI APIAI Developer ToolsOpen Source AI Models
Development & CodeAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
4
9
6
APIs
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Developer tools
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Vector databases
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API integrations
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LLM development
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Vector indexes
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–
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API management
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–
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Databases
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–
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Inference
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–
–
Models
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–
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PostgreSQL assistance
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–
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API security
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–
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Development
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Image generation
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–
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Information retrieval
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RAG
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SQL
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Self hosted
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–
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Video generation
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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.