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Machine Learning · head to head

Pinecone vs SurrealDB

Pinecone logo

Pinecone

Machine Learning

Vector database for machine learning

From
Free
Rated
-
Full reviewWebsite
SurrealDB logo

SurrealDB

Databases

Multi-model database combining documents, graphs, vectors and time-series

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Pinecone reads and writes are billed on separate meters, and reads are far more expensive, at $16 to $18 per million against $4 to $4.50 for writes on Standard; SurrealDB the listed $0.192/node/hr Scale pricing lacks transparent higher-tier rates, requiring a sales conversation for full production sizing.
  • They diverge on capability: Pinecone covers Vector similarity search, SurrealDB covers Multi-model engine.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Pinecone and SurrealDB actually diverge.

Attributes where Pinecone and SurrealDB differ
AttributePineconeSurrealDB
Pricing modelfreemiumusage-based
PlatformsWebweb, api, windows, mac, linux
CategoryMachine LearningDatabases
Founded20192022

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Pinecone

  • Vector similarity search
  • Metadata filtering
  • Namespace partitioning
  • Real-time updates
  • Hybrid search
  • OpenAI
  • Cohere
  • LangChain

Only in SurrealDB

  • Multi-model engine
  • ACID transactions
  • Hybrid retrieval
  • Horizontal scaling
  • Multi-region disaster recovery
  • FIPS-compliant cryptography

What people use each for

The jobs each tool is most often brought in to do.

Pinecone

  • Vector database for AI/ML applicationsnot SurrealDB
  • Semantic search implementationnot SurrealDB
  • Recommendation systemsnot SurrealDB
  • RAG (Retrieval-Augmented Generation) architecturesnot SurrealDB

SurrealDB

  • AI agent memory and retrieval-augmented generationnot Pinecone
  • Applications needing documents, graphs and vectors in one databasenot Pinecone
  • Knowledge graph construction from unstructured datanot Pinecone
  • Regulated workloads requiring SOC2/ISO27001/HIPAA-eligible hostingnot Pinecone

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Pinecone

  • Reads and writes are billed on separate meters, and reads are far more expensive, at $16 to $18 per million against $4 to $4.50 for writes on Standard
  • Unit prices vary by region, so the same workload costs different amounts in different places
  • The Standard plan carries a $50 monthly minimum and Enterprise $500, charged whether or not the usage reaches it
  • Enterprise pays more per unit as well as more in minimum, at $24 to $27 per million reads against Standard's $16 to $18
  • Indexes and namespaces are capped by plan, at 5 indexes on the free tier and 20 on Standard
  • RBAC and SSO require the Standard plan

SurrealDB

  • The listed $0.192/node/hr Scale pricing lacks transparent higher-tier rates, requiring a sales conversation for full production sizing.
  • As a newer multi-model database, it has a smaller ecosystem of drivers, ORMs and community tooling than established single-model databases.
  • HIPAA compliance is only available as an Enterprise add-on rather than included in standard paid tiers.
  • Combining multiple data models in one engine can add query-planning complexity compared to purpose-built single-model databases.

Pricing, plan by plan

Pinecone

Free
  • StarterFree
    • 2GB storage
    • 2M write units/month
    • 1M read units/month
  • Builder$20/month
    • 10GB storage
    • 5M write units
    • 2M read units
  • Standard$50/month
    • Unlimited storage ($0.33/GB/month)
    • 20 indexes per project
    • 100K namespaces
  • Enterprise$500/month
    • 99.95% uptime SLA
    • BYOC (Bring Your Own Cloud) option
    • Private endpoints

SurrealDB

Free
  • StartFree
    • 1 free instance, then from $0.021/hr
    • 1GB storage free forever
    • Vertical scaling to terabytes
  • Scale$0.192/month
    • $0.192/node/hr
    • Production-grade fault tolerance
    • Horizontal scaling to petabytes
  • Enterprise$undefined/month
    • Self-hosted, custom pricing
    • Clustered fault-tolerant deployments
    • FIPS-compliant cryptography

Which should you pick?

Choose Pinecone if

  • You need vector similarity search.
  • You want to start without paying.
  • You also want metadata filtering.
Pinecone review

Choose SurrealDB if

  • You need multi-model engine.
  • You want to start without paying.
  • You work on web, api, windows, mac, linux.
  • You also want acid transactions.
SurrealDB review

Questions people ask

Is Pinecone or SurrealDB better?
Neither clearly leads. Pinecone starts at Free and SurrealDB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Pinecone or SurrealDB?
Pinecone starts at Free and SurrealDB at Free.
Does Pinecone or SurrealDB run on more platforms?
Pinecone runs on Web. SurrealDB runs on web, api, windows, mac, linux.
Can I use Pinecone for free?
Both have a free tier, so you can try either at no cost before committing.
What is Pinecone best used for?
Pinecone is most often used for vector database for ai/ml applications, semantic search implementation, recommendation systems, rag (retrieval-augmented generation) architectures. Of those, vector database for ai/ml applications and semantic search implementation are not what SurrealDB is typically brought in for.
What can Pinecone do that SurrealDB cannot?
Pinecone covers Vector similarity search, Metadata filtering, Namespace partitioning, Real-time updates. SurrealDB covers Multi-model engine, ACID transactions, Hybrid retrieval, Horizontal scaling.

Answered from the vendors’ own pages

Pinecone: Does Pinecone offer a free plan?

Yes, Pinecone's Starter tier is free and includes 2GB storage, 2M write units/month, 1M read units/month, and supports up to 2 users and 1 project.

Source
SurrealDB: What does SurrealDB cost?

SurrealDB Cloud's Start plan is free with one free instance (then from $0.021/hr), the Scale plan runs $0.192/node/hr for production workloads, and Enterprise self-hosted deployments use custom pricing.

Source
Pinecone: What are Pinecone's storage costs on the Standard plan?

On the Standard plan, storage costs $0.33/GB per month. Read units cost $16-18 per million units; write units cost $4-4.50 per million units.

Source
SurrealDB: Is there a free plan and what are its limits?

Yes, the Start plan includes one free instance with 1GB of storage free forever and 1GB of outbound data transfer per month, aimed at prototypes and development.

Source
Pinecone: What support options does Pinecone provide?

Starter tier includes community Discord support. Builder tier includes free support. Standard tier support costs $29/month for Developer or $250/month for Pro. Enterprise tier includes Pro support.

Source
SurrealDB: How is billing handled?

Customers are invoiced monthly based on actual usage in a pay-as-you-go model with no long-term commitments, though commitment-based discounts are available.

Source
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