Braintrust vs Weaviate Pricing (2026)

How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.

Braintrust Weaviate
Starts at $249/mo $45/mo
Number of plans 3 3
Free plan
Free trial
Pricing model usage-based usage-based

Starter

$0/mo
  • Platform fee
  • Topics
  • Processed data
  • Scores
  • Users
  • Projects
  • Playgrounds
  • Experiments
  • Datasets
  • Human review scores
  • Saved table views
  • Custom columns
  • Custom trace views
  • Included data retention
  • OAuth sign-in
  • Multi-factor authentication (MFA)
  • SOC 2 Type II compliance
  • Community support

Pro

$249/mo
  • Platform fee
  • Topics
  • Processed data
  • Scores
  • Users
  • Projects
  • Playgrounds
  • Experiments
  • Datasets
  • Human review scores
  • Playground annotations
  • Saved table views
  • Custom columns
  • Custom trace views
  • Custom charts
  • Environments
  • Included data retention
  • OAuth sign-in
  • Multi-factor authentication (MFA)
  • SOC 2 Type II compliance
  • Role-based access control (RBAC)
  • Data processing agreement (DPA)
  • Community support
  • Priority support

Enterprise

Custom
  • Platform fee
  • Topics
  • Processed data
  • Scores
  • Users
  • Projects
  • Playgrounds
  • Experiments
  • Datasets
  • Human review scores
  • Loop agent
  • Playground annotations
  • Saved table views
  • Custom columns
  • Custom trace views
  • Custom charts
  • Environments
  • Included data retention
  • Custom policies
  • S3 data export
  • OAuth sign-in
  • Multi-factor authentication (MFA)
  • SOC 2 Type II compliance
  • SAML single sign-on (SSO)
  • Role-based access control (RBAC)
  • Data processing agreement (DPA)
  • Business associate agreement (BAA)
  • Uptime service level agreement (SLA)
  • Community support
  • Priority support
  • Shared Slack channel
  • Guaranteed service level agreements (SLAs)

Free

$0/mo
  • Always free — 1 cluster per user, upgrade to paid anytime.
  • 100,000 objects · 1 GB memory · 10 GB disk.
  • 1 collection, up to 3 tenants.
  • Embeddings (2,000 req/day) + Query Agent (1,000 req/mo).
  • Basic Support

Flex

Popular
$45/mo
  • Pay-as-you-go, monthly, no commitment.
  • Shared cloud cluster with full core DB toolkit + replication.
  • Baseline security with RBAC.
  • Highly available clusters — 99.5% uptime.
  • Query Agent free tier + usage-based; Embeddings usage-based.
  • Standard support — next-business-day Sev 1

Premium

$400/mo
  • Prepaid contract with predictable spend.
  • Choice of shared or dedicated deployment.
  • Trusted reliability — up to 99.95% uptime.
  • Global coverage on AWS, GCP & Azure.
  • Query Agent free tier + usage-based; Embeddings usage-based.
  • Enterprise support — as fast as 1-hour Sev 1 + dedicated Technical Account Team

Braintrust vs Weaviate FAQ

Which one is cheaper?
Weaviate is the cheaper option, starting at $45/mo vs $249/mo for Braintrust.
Can I use either one for free?
Both offer free plans, so you can try each without paying. Start with whichever fits your workflow better and upgrade when you hit the limits.
How do they charge?
Both use a usage-based model, so the comparison is straightforward — it comes down to features and limits at each price point.
Which one is a better deal?
Depends on what you need. Braintrust: At $249/mo, they're priced accessibly for mid-stage AI teams but not trying to be the cheapest eval tool in the room — they're positioning against the 'build it yourself' crowd and tools like LangSmith or Weights & Biases. The startup discount (6–12 months free on Pro) signals they're actively trying to land early-stage AI companies before competitors do. Weaviate: Sitting in the mid-to-premium range for vector databases, they're not trying to be the cheapest option — Pinecone and Qdrant Cloud are in the same conversation. The usage-based model lets them look affordable at entry while capturing serious revenue from high-volume AI workloads where dimension counts explode.

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