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Helicone 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.

Helicone compared with warm-rust
Detail Heliconewarm-rust logo warm-rust
What it doesAI Gateway & LLM Observability Hybrid search, graph indexing, and vector-symbolic memory for AI agents
StageNot given Startup
FoundedNot given 2026
Based inNot given US
Pricing modelFreemium Open source
PricingNot given 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
  • Request routing across multiple LLM providers
  • Real-time monitoring and analytics dashboard
  • Prompt management and playground
  • Rate limiting and alerts
  • Automatic fallbacks for LLM requests
  • Response caching
  • User tracking and sessions
  • HQL query language
  • Webhooks integration
  • Data export capabilities
  • 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
  • Works with multiple LLM providers unlike competitors focused on single ecosystems
  • Open-source platform
  • More cost-effective scaling than competitors
  • Simple integration with single line of code
  • 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)75 +1 (up) since last check26 no change since last check
Trust Flow (Majestic)2612
Citation Flow (Majestic)4624
Referring domains (Majestic)298656

4 details filled in for both companies.

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