Roam Code vs Voyage AI

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

Analysis reviewed Live tool data as of 2026-08-25
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At a glance

DimensionRoam CodeVoyage AI
PricingFree (Apache 2.0) + paid tiers (early-access)Contact (custom enterprise) – no free tier
Core offeringLocal code-graph MCP server for AI coding agentsEmbedding models + rerankers for RAG
Use case focusStructural safety for AI-generated code changesEnterprise RAG retrieval accuracy
Data privacy / deploymentLocal execution – zero network egressCloud API (SOC 2, HIPAA compliant)
Target userEngineering teams using AI coding agents (Cursor, Claude Code)Enterprises with domain-specific data (finance, legal)
Latest news impactv13.3 adds MCP runtime security – egress redaction, HMAC-linked receiptsVoyage 4 series & multimodal model announced but not yet released

Pick Voyage AI if you need high-fidelity embeddings/rerankers for domain-specific RAG (finance, legal) and have budget for enterprise pricing. Pick Roam Code if you run AI coding agents on real repos and need structural pre-merge gates, blast-radius analysis, and tamper-evident audit trails — all free locally with no data egress. They solve orthogonal problems; your choice depends on whether your bottleneck is retrieval accuracy or code-change safety.

Roam Code
Roam Code

Free open-source local code-graph MCP server giving AI agents structural awareness before they edit.

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Voyage AI
Voyage AI

Enterprise-grade embedding models and rerankers that boost RAG accuracy and cut vector storage costs.

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Pricing
Freemium
Contact Sales
Plans
$0/mo
$2,500 one-shot
$6,000 one-shot
$99/mo
$299/mo
$799/mo
$1,499/mo (annual negotiated)
$19/repo/mo
Popularity
4 views
7.4k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
CLI
WebAPI
Categories
🔌 MCP Servers & Agent Tooling💻 Code & Development
🗄️ Vector Databases & Retrieval
Features
28-language code graph with 6 cross-language bridges
244 MCP tools for AI agent structural queries
Task compiler pre-executes probes before agent's first token (~90 ms warm)
Blast-radius check with production traffic weighting
AST-level clone detection with identifier-rename confidence
Algorithmic risk review (O(n²), N+1, regex-in-loop, JSON-parse-in-loop)
Pre-change gates with BLOCK/REVIEW verdicts
Tamper-evident audit trail (in-toto v1) with HMAC-linked receipts
SARIF export for GitHub Code Scanning
Local execution with zero network egress and no API keys
275 CLI commands for exploration, health, security
MCP runtime security with egress redaction (v13.3)
4-mode MCP policy enforcement (read_only, safe_edit, migration, autonomous_pr)
PR Replay audit for retrospective analysis on up to 90 PRs
Governance evidence pack for SOC 2 / ISO 42001 mapping
Embedding models: voyage-3.5, voyage-3.5 lite
Domain-specific models for finance, legal, code
Company-specific fine-tuned models
Voyage 4 model series
Multimodal model: voyage-multimodal-3.5
Long-context support up to 32K tokens
Low-dimensional embeddings (3x-8x shorter vectors)
Reranker models: rerank-2.5, rerank-2.5-lite
Instruction following for rerankers
Batch API for large-scale workloads
Voyage-context-3: chunk-level details with global context
Low-latency inference (4x smaller model)
SOC 2 and HIPAA compliance
Integrations
Claude Code
Cursor
Windsurf
VS Code
Codex CLI
Gemini CLI
Amp (Sourcegraph)
GitHub

Who should pick which

  • Enterprise RAG team (finance/legal)
    Pick: Voyage AI

    Voyage AI provides domain-specific embedding models (finance, legal) and rerankers with 32K context, SOC 2/HIPAA compliance, and low-dimensional vectors for cost-efficient storage. Roam Code does not offer embeddings.

  • AI coding agent user (Cursor/Claude Code) in a real repo
    Pick: Roam Code

    Roam Code gives agents structural queries (callers, clones, blast radius) and pre-change gates to prevent bugs. It runs locally with zero egress, and v13.3 adds MCP runtime security. Voyage AI doesn't integrate with coding agents.

  • Solo developer wanting free code intelligence
    Pick: Roam Code

    Roam Code's free CLI provides 241 commands for exploring code health, security, and dependencies without any cloud dependency or API keys. No cost, no data leaving your machine.

  • Compliance-conscious platform team
    Pick: Roam Code

    Roam Code offers tamper-evident audit trails (in-toto v1) with HMAC-linked receipts, and pre-change gates. v13.3 strengthens runtime security. Voyage AI lacks code-change governance features.

  • Startup building a multimodal RAG system
    Pick: Voyage AI

    Voyage AI announced voyage-multimodal-3.5 and the Voyage 4 series, which could support multimodal retrieval. Roam Code only handles code structure.

Frequently Asked Questions

Roam Code vs Voyage AI: which should you choose?

Pick Voyage AI if you need high-fidelity embeddings/rerankers for domain-specific RAG (finance, legal) and have budget for enterprise pricing. Pick Roam Code if you run AI coding agents on real repos and need structural pre-merge gates, blast-radius analysis, and tamper-evident audit trails — all free locally with no data egress. They solve orthogonal problems; your choice depends on whether your bottleneck is retrieval accuracy or code-change safety.

Do Voyage AI and Roam Code overlap in functionality?

No. Voyage AI focuses on embedding/reranking for RAG, while Roam Code provides code-graph analysis for AI coding agents. They solve different problems and can be used together.

Can I use Roam Code without AI agents?

Yes. Roam Code's CLI (241 commands) can be used standalone for code exploration, security analysis, and dependency mapping.

Is Voyage AI's pricing negotiable for small teams?

Voyage AI uses contact-based pricing, likely enterprise-tier. There's no self-serve or free tier, so small teams may find it inaccessible.

Does Roam Code support multimodal?

No. Roam Code is strictly for code (28 languages). Voyage AI has announced multimodal models for images+text.

Which tool is better for data privacy?

Roam Code runs locally with zero network egress (v13.3 adds egress redaction). Voyage AI is cloud-based but SOC 2/HIPAA compliant.

Can I use Voyage AI's embeddings with any vector database?

Yes. Voyage AI integrates with any vector DB or LLM via API.

Does Roam Code replace a semantic code reviewer?

No. Roam complements semantic reviewers; its blast-radius, clone, and algorithmic checks catch structural issues that semantic tools might miss.

How do the latest news items affect my decision?

Voyage AI's Voyage 4 and multimodal models are announced but not released; Roam Code's v13.3 adds important MCP security. For current needs, Roam Code's free tier is immediately usable, while Voyage AI may require a sales engagement.

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Last reviewed: July 3, 2026