Cortex by SKYNETLAB vs Milvus: 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 Milvus 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; Milvus 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
Milvus
Open-source vector database for AI
Best for you if:
- • You want a fully free tool (Cortex by SKYNETLAB requires payment)
| At a Glance | Cortex by SKYNETLAB | Milvus |
|---|---|---|
Starts at | From $29/mo, billed monthly Pro plan | Free plan, paid from $126/mo, billed monthly Zilliz Dedicated (Standard) plan |
Category | Data & Databases Knowledge Base | Vector Databases Data & Databases |
Rating | n/a | 4.8/5 Capterra 4.8 · G2 4.7 310 reviews |
Free plan | No | Yes |
Watch out for | n/a | Overage fees for vCUs on Serverless tier |
Choose Cortex by SKYNETLAB or Milvus?
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 $126/mo, billed monthly)
- You work in data & databases, not vector databases
Choose Milvus if
- You want a fully free tool (Cortex by SKYNETLAB requires payment)
- You want high performance
- You want scalable
- You work in vector databases, not data & databases
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
Milvus
Open-source vector database for AI
Milvus offers a very generous pricing model, especially with its robust open-source option and the Zilliz Cloud Free tier providing 5GB storage and 2.5M vCUs/month at no cost.
Watch out
Overage fees for vCUs on Serverless tier
Strengths
- Pro: High performance
- Pro: Scalable
- Pro: Open source
- Pro: Good for large scale
- Pro: Active development
Weaknesses
- Con: Complex operations
- Con: Heavy resource usage
- Con: Learning curve
- Con: Kubernetes recommended
- Con: Documentation dense
Key features
Plans and prices: Cortex by SKYNETLAB vs Milvus
| Tool | Plans and prices | Source |
|---|---|---|
| Cortex by SKYNETLAB |
| skynetlab-cortex.com read Oct 6, 2026 |
| Milvus |
| zilliz.com/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 Milvus pricing.
Key Takeaways
Cortex by SKYNETLAB
- Lower entry price: $29/mo, billed monthly vs $126/mo, billed monthly
Milvus
- Has a free plan
What the data shows
On the data below, Cortex by SKYNETLAB leads on lower entry price; Milvus leads on a free plan. We do not name an overall winner for this pair.
- Only Milvus has a published user rating (4.8/5 from 310 reviews); Cortex by SKYNETLAB has none we can show.
- Cortex by SKYNETLAB has the lower entry price: $29/mo, billed monthly (Pro) against $126/mo, billed monthly (Zilliz Dedicated (Standard)) for Milvus.
- Only Milvus 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 Milvus compare in 2026?
On the data below, Cortex by SKYNETLAB leads on lower entry price; Milvus leads on a free plan. We do not name an overall winner for this pair. Only Milvus has a published user rating (4.8/5 from 310 reviews); Cortex by SKYNETLAB has none we can show. Cortex by SKYNETLAB has the lower entry price: $29/mo, billed monthly (Pro) against $126/mo, billed monthly (Zilliz Dedicated (Standard)) for Milvus. Only Milvus has a free plan.
What are Cortex by SKYNETLAB and Milvus used for?
Cortex by SKYNETLAB: Persistent external brain for AI agents and models. Milvus: Open-source vector database for AI.
What does Cortex by SKYNETLAB cost vs Milvus?
Cortex by SKYNETLAB's cheapest paid plan is Pro at $29/mo, billed monthly. Milvus's cheapest paid plan is Zilliz Dedicated (Standard) at $126/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 14, 2026.
What's the main difference between Cortex by SKYNETLAB and Milvus?
Cortex by SKYNETLAB's main strength: model-agnostic: works with any AI model or agent, preventing vendor lock-in. Milvus's main strength: high performance.