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Braintrust vs warm-rust

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Braintrust compared with warm-rust
Detail Braintrustwarm-rust logo warm-rust
What it doesThe active observability platform for agents Hybrid search, graph indexing, and vector-symbolic memory for AI agents
StageGrowing Startup
FoundedNot given 2026
Based inNot given US
Pricing modelFreemium Open source
PricingStarter plan free with $10 credits monthly, 1 GB processed data, 10k scores, 14-day retention. Pro plan $249/month with $100 credits, 5 GB processed data, 50k scores, 30-day retention. Enterprise with custom pricing. Overage charges at $4/GB for Starter and $3/GB for Pro on processed data. Open source under Apache-2.0 license. WARM Cloud is in development with usage-based pricing for sync, backup and verification; details to be published at launch.
Key features
  • Real-time trace inspection
  • LLM scoring and evaluation
  • Production monitoring dashboards
  • Automated pattern detection
  • Dataset versioning and management
  • Prompt optimization with Loop agent
  • Natural language trace investigation
  • Custom annotation interfaces
  • Gateway API for unified access
  • Brainstore database for AI data
  • Hybrid search combining BM25 lexical and vector scoring
  • Vertex graph vector index with 2.29-2.75x throughput vs hnswlib
  • Vector-symbolic fact memory with holographic reduced representations
  • AES-256-GCM encryption at rest with Argon2id key derivation
  • Signed audit log with Ed25519 and W3C DID identity
  • Secure purge that overwrites deleted data with zeros
  • Crash-safe append-only log with checksumming
  • Native Rust API with Python HTTP client and Node.js bindings
  • MCP server integration for editors and AI agents
  • WARM Cloud sync, backup and verification without server access to keys or documents
What makes it different
  • Built specifically for agents which fail differently than normal software
  • Automatic pattern discovery from production data
  • Framework agnostic with no vendor lock-in
  • Enterprise security with SOC 2 Type II and HIPAA compliance
  • Brainstore query engine for faster production debugging
  • Runs entirely locally in your process with no network calls or telemetry
  • Encryption at rest built into the open-source engine itself, not an enterprise add-on
  • Significantly faster vector search than hnswlib with graph-indexed vertex retrieval
  • Signed provenance and verified audit trail using C2PA, COSE and SCITT standards
  • Embedded library model eliminates dependency on external services or vendor lock-in
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)77 +1 (up) since last check26 no change since last check
Trust Flow (Majestic)2812
Citation Flow (Majestic)5124
Referring domains (Majestic)353056

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