PMB vs Voyage AI

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-09-01
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At a glance

DimensionPMBVoyage AI
PricingFree (open source, Apache 2.0)Contact sales (custom pricing)
Primary use casePersistent memory for AI coding agentsEnterprise RAG with domain-specific embeddings
DeploymentLocal, offline-first, no API keysCloud API
Key integrationsClaude Code, Cursor, Codex, Zed via MCPAny vector DB or LLM (no pre-built lists)
Specialized modelsN/A (context injection via hybrids recall)Voyage-3, finance, legal, code, multimodal
ComplianceNot mentioned (local data = minimal compliance risk)SOC 2, HIPAA

Voyage AI is built for enterprises needing high-accuracy, domain-specific retrieval at scale, while PMB targets developers who want simple, private, local memory for coding agents. Choose Voyage if you run a production RAG system on sensitive data; choose PMB if you're tired of re-explaining context to Claude Code or Cursor.

PMB
PMB

Local-first persistent memory for AI coding agents via MCP.

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Voyage AI
Voyage AI

Specialized embedding models and rerankers for high-accuracy enterprise RAG, with 32K-token context and multimodal support.

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Pricing
Free
Contact Sales
Plans
$0
Popularity
2 views
7.4k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
CLIDesktop
WebAPI
Categories
🧠 Agent Memory & Runtimes🔌 MCP Servers & Agent Tooling
🗄️ Vector Databases & Retrieval
Features
Persistent SQLite memory file on disk
MCP-native integration with Claude Code, Cursor, Codex, Zed
Sub-millisecond classification and recall (~35 ms)
Auto-inject relevant lessons, decisions, and project overview on every prompt
Hybrid recall: BM25 + dense vectors + entity graph + RRF
Honest impact scoring: tracks whether each lesson is followed, flags dead memories
Local web dashboard with interactive entity graph (Map) and git-style timeline
Async writes: SQLite first, embedding and vector insert on background thread
Works offline, no API keys, no telemetry
Open source under Apache 2.0 license
Inspectable and exportable memory chunks
Entity nodes color-coded by type, sized by importance
Multi-project support with navigation lanes
Optional local LLM integration (Ollama) for summarization and graph extraction
Benchmarks: 94.6% recall@10 on LoCoMo, 88ms p50 recall at 2k memories
General-purpose embedding models: voyage-3.5, voyage-3.5 lite
Domain-specific models for finance, legal, and code
Company-specific fine-tuned models for proprietary data
Voyage 4 model series for improved retrieval quality
voyage-multimodal-3.5 for multimodal retrieval (images + text)
Low-dimensional embeddings (3x-8x shorter vectors) reduce storage costs
Long-context support up to 32K tokens
rerank-2.5 and rerank-2.5-lite with instruction following
Batch API for large-scale embedding workloads
voyage-context-3 provides chunk-level details with global document context
Low-latency inference with 4x smaller model
2x cheaper inference than previous models
SOC 2 and HIPAA compliance
Modular design: plug-and-play with any vector DB and LLM
Integrations
Claude Code
Cursor
Codex
Zed
Ollama

What real users say: PMB vs Voyage AI

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

PMB

81 mentions across 6 sources · 74% positive

Hacker News, Product Hunt, App Store, Bluesky, GitHub, Lemmy

What users praise

  • Local-first: all data stays on your disk, no cloud or API keys.
  • Hybrid recall (BM25 + vectors + graph) delivers relevant memory in ~35 ms.
  • Automatic write and read hooks integrate with Claude Code, Cursor, Codex, Zed.
  • Honest impact scoring flags dead memories that agents don't follow.

What frustrates them

  • No cloud or team-synced version, only local storage.
  • Stale or reversed decisions can still surface without manual pruning.
  • Automatic memory injection uses context window tokens, reducing solution runway.
  • Only one maintainer; open issues may take time to resolve.

Researched Jul 4, 2026

Voyage AI

41 mentions across 4 sources · 48% positive — mixed

Hacker News, YouTube, Stack Overflow, Lemmy

What users praise

  • High accuracy for RAG retrieval, especially with the reranker models.
  • Domain-specific models for finance, legal, and code deliver better results.
  • Low-dimensional embeddings cut vector storage costs by up to 8x.
  • Supports long contexts up to 32K tokens, useful for large documents.

What frustrates them

  • Data-training clause in terms raises privacy red flags for enterprises.
  • Pricing is opaque, requiring contact with sales.
  • Community support is sparse — few Stack Overflow answers or forum threads.
  • No clear free tier, so trying it costs time with sales or API credits.

Researched Aug 26, 2026

Who should pick which

  • Enterprise RAG engineer
    Pick: Voyage AI

    Requires domain-specific embedding models (finance, legal) with 32K context, SOC 2/HIPAA compliance, and batch processing for large document corpora.

  • Solo developer building with Claude Code
    Pick: PMB

    Free, local-first persistent memory eliminates repetitive context re-explanation; integrates via MCP with no API keys or latency.

  • Small startup needing vector search on a budget
    Pick: Voyage AI

    Low-dimensional embeddings cut vector storage costs; contact pricing may yield affordable entry, though transparency is lacking.

  • Privacy-conscious developer using Cursor
    Pick: PMB

    All data stays local, no telemetry, no cloud dependency—ideal for proprietary code or sensitive projects.

  • Multimodal retrieval project
    Pick: Voyage AI

    Voyage recently announced voyage-multimodal-3.5, enabling image+text retrieval for RAG pipelines.

Frequently Asked Questions

PMB vs Voyage AI: which should you choose?

Voyage AI is built for enterprises needing high-accuracy, domain-specific retrieval at scale, while PMB targets developers who want simple, private, local memory for coding agents. Choose Voyage if you run a production RAG system on sensitive data; choose PMB if you're tired of re-explaining context to Claude Code or Cursor.

Can I use Voyage AI for free?

No, Voyage AI requires contacting sales for custom pricing; there is no free tier.

Is PMB truly offline?

Yes, PMB runs entirely locally with an SQLite file; no internet connection required after installation.

Which tools does PMB integrate with?

PMB integrates via MCP with Claude Code, Cursor, Codex, and Zed.

Does Voyage AI support multimodal?

Yes, voyage-multimodal-3.5 was recently announced, adding image+text embedding capabilities.

What compliance does Voyage AI offer?

Voyage AI provides SOC 2 and HIPAA compliance for enterprise workloads.

Can I self-host PMB?

Yes, PMB is open source under Apache 2.0; you can inspect and modify the code and run it locally.

Does Voyage AI have a reranker?

Yes, Voyage offers rerank-2.5 and rerank-2.5-lite with instruction following.

What recall method does PMB use?

PMB uses hybrid recall combining BM25, dense vectors, entity graph, and optional rerank, fused with Reciprocal-Rank-Fusion (RRF).

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Last reviewed: July 2, 2026