Mem0 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 Mem0 and Milvus side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Mem0 leads on lower entry price. 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:
Mem0
Persistent AI context for production, optimized for speed and cost
Best for you if:
- • You want significantly reduces token costs and improves response times for AI agents
Milvus
Open-source vector database for AI
Best for you if:
- • You want a fully free tool (Mem0 requires payment)
| At a Glance | Mem0 | Milvus |
|---|---|---|
Starts at | Free plan, paid from $19/mo, billed monthly Starter plan | Free plan, paid from $126/mo, billed monthly Zilliz Dedicated (Standard) plan |
Category | Data & Databases AI & Automation | Vector Databases Data & Databases |
Rating | n/a | 4.8/5 Capterra 4.8 · G2 4.7 310 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Overage fees for vCUs on Serverless tier |
Choose Mem0 or Milvus?
Choose Mem0 if
- You want significantly reduces token costs and improves response times for AI agents
- You want simplifies AI memory integration with drop-in infrastructure
- Budget matters ($19/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 (Mem0 requires payment)
- You want high performance
- You want scalable
- You work in vector databases, not data & databases
In-Depth Analysis
Mem0
Persistent AI context for production, optimized for speed and cost
Mem0 offers a generous free tier and competitive pricing for early-stage projects.
Strengths
- Pro: Significantly reduces token costs and improves response times for AI agents.
- Pro: Simplifies AI memory integration with drop-in infrastructure.
- Pro: Adapts memory to specific domain needs, enhancing relevance.
- Pro: Offers robust enterprise features like audit logs and custom integrations.
- Pro: Provides a free tier for developers to get started.
Weaknesses
- Con: Advanced analytics and dedicated support are limited to higher-tier plans.
- Con: Specific details on open-source vs. platform differences require further inquiry.
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: Mem0 vs Milvus
| Tool | Plans and prices | Source |
|---|---|---|
| Mem0 |
| mem0.ai/pricing read Oct 16, 2026 |
| Milvus |
| zilliz.com/pricing read Oct 26, 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 Mem0 pricing and Milvus pricing.
Key Takeaways
Mem0
- Lower entry price: $19/mo, billed monthly vs $126/mo, billed monthly
Milvus
- Choose if you want open-source vector database for AI
What the data shows
On the data below, Mem0 leads on lower entry price. We do not name an overall winner for this pair.
- Only Milvus has a published user rating (4.8/5 from 310 reviews); Mem0 has none we can show.
- Mem0 has the lower entry price: $19/mo, billed monthly (Starter) against $126/mo, billed monthly (Zilliz Dedicated (Standard)) for Milvus.
- Both have 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 Mem0 and Milvus compare in 2026?
On the data below, Mem0 leads on lower entry price. We do not name an overall winner for this pair. Only Milvus has a published user rating (4.8/5 from 310 reviews); Mem0 has none we can show. Mem0 has the lower entry price: $19/mo, billed monthly (Starter) against $126/mo, billed monthly (Zilliz Dedicated (Standard)) for Milvus. Both have a free plan.
What are Mem0 and Milvus used for?
Mem0: Persistent AI context for production, optimized for speed and cost. Milvus: Open-source vector database for AI.
What does Mem0 cost vs Milvus?
Mem0's cheapest paid plan is Starter at $19/mo, billed monthly; it also has a free plan. Milvus's cheapest paid plan is Zilliz Dedicated (Standard) at $126/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 26, 2026.
What's the main difference between Mem0 and Milvus?
Mem0's main strength: significantly reduces token costs and improves response times for AI agents. Milvus's main strength: high performance.