Cortex by SKYNETLAB vs Weaviate: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Cortex by SKYNETLAB and Weaviate side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Cortex by SKYNETLAB leads on lower entry price; Weaviate leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Cortex by SKYNETLAB
Persistent external brain for AI agents and models
Best for you if:
- • You want model-agnostic: works with any AI model or agent, preventing vendor lock-in
Weaviate
Open-source vector database with ML
Best for you if:
- • You want a free tier before you commit
| At a Glance | Cortex by SKYNETLAB | Weaviate |
|---|---|---|
Starts at | From $29/mo, billed monthly Pro plan | Free plan, paid from $45/mo Flex plan |
Category | Data & Databases Knowledge Base | Data & Databases Vector Databases |
Rating | n/a | 4.4/5 G2 4.4 47 reviews |
Free plan | No | Yes |
Watch out for | n/a | Overage fees for exceeding Flex plan limits |
Choose Cortex by SKYNETLAB or Weaviate?
Choose Cortex by SKYNETLAB if
- You want model-agnostic: works with any AI model or agent, preventing vendor lock-in
- You want efficient: fewer tokens per answer than traditional RAG
- Budget matters ($29/mo, billed monthly vs $45/mo)
Choose Weaviate if
- You want a free tier before you commit
- You want built-in vectorization
- You want GraphQL API
In-Depth Analysis
Cortex by SKYNETLAB
Persistent external brain for AI agents and models
Cortex's pricing is fair for the specialized persistent memory it offers.
Strengths
- Pro: Model-agnostic: works with any AI model or agent, preventing vendor lock-in
- Pro: Efficient: fewer tokens per answer than traditional RAG
- Pro: Transparent: exposes contradictions and tracks the history of decisions
Weaknesses
- Con: Memory limits per plan may be restrictive for heavy usage (e.g., 1,000 memories on Pro)
- Con: Relatively new product with limited community adoption and third-party integrations
Key features
Weaviate
Open-source vector database with ML
Weaviate's pricing is fair, offering a generous free trial and a flexible entry point with the Flex plan at $45/month.
Watch out
Overage fees for exceeding Flex plan limits
Strengths
- Pro: Built-in vectorization
- Pro: GraphQL API
- Pro: Hybrid search
- Pro: Good documentation
- Pro: Open source
Weaknesses
- Con: Learning curve
- Con: Memory intensive
- Con: Self-hosting complex
- Con: Cloud pricing high
- Con: Less mature than Pinecone
Key features
Plans and prices: Cortex by SKYNETLAB vs Weaviate
| Tool | Plans and prices | Source |
|---|---|---|
| Cortex by SKYNETLAB |
| skynetlab-cortex.com read Oct 6, 2026 |
| Weaviate |
| weaviate.io/pricing read Oct 14, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Cortex by SKYNETLAB pricing and Weaviate pricing.
Key Takeaways
Cortex by SKYNETLAB
- Lower entry price: $29/mo, billed monthly vs $45/mo
Weaviate
- Has a free plan
What the data shows
On the data below, Cortex by SKYNETLAB leads on lower entry price; Weaviate leads on a free plan. We do not name an overall winner for this pair.
- Only Weaviate has a published user rating (4.4/5 from 47 reviews); Cortex by SKYNETLAB has none we can show.
- Cortex by SKYNETLAB has the lower entry price: $29/mo, billed monthly (Pro) against $45/mo (Flex) for Weaviate.
- Only Weaviate has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Cortex by SKYNETLAB and Weaviate compare in 2026?
On the data below, Cortex by SKYNETLAB leads on lower entry price; Weaviate leads on a free plan. We do not name an overall winner for this pair. Only Weaviate has a published user rating (4.4/5 from 47 reviews); Cortex by SKYNETLAB has none we can show. Cortex by SKYNETLAB has the lower entry price: $29/mo, billed monthly (Pro) against $45/mo (Flex) for Weaviate. Only Weaviate has a free plan.
What are Cortex by SKYNETLAB and Weaviate used for?
Cortex by SKYNETLAB: Persistent external brain for AI agents and models. Weaviate: Open-source vector database with ML.
What does Cortex by SKYNETLAB cost vs Weaviate?
Cortex by SKYNETLAB's cheapest paid plan is Pro at $29/mo, billed monthly. Weaviate's cheapest paid plan is Flex at $45/mo; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 14, 2026.
What's the main difference between Cortex by SKYNETLAB and Weaviate?
Cortex by SKYNETLAB's main strength: model-agnostic: works with any AI model or agent, preventing vendor lock-in. Weaviate's main strength: built-in vectorization.