fullmoon vs Voyage AI
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | fullmoon | Voyage AI |
|---|---|---|
| Pricing | Free, open-source | Contact sales (enterprise quote) |
| Target User | Privacy-focused Apple users wanting local chat | Enterprise teams needing domain-specific RAG |
| Key Model | Llama-3.2-1B/3B, DeepSeek-R1-Distill-Qwen-1.5B (4-bit) | voyage-3.5 (32K context, low-dim embeddings) |
| Platform | iOS, iPadOS, macOS, visionOS | Cloud API, Batch API |
| Compliance | Not applicable (local-only) | SOC 2, HIPAA |
| Integrations | None (standalone app) | Any vector DB/LLM (modular) |
Choose Voyage AI if you need high-accuracy embeddings and rerankers for enterprise RAG with domain specialization (finance, legal) and compliance; choose Fullmoon if you want a free, private, local LLM chat on Apple devices. They serve completely different needs.

Fullmoon runs small Llama and DeepSeek models entirely on your Apple device — free, offline, open source.
Visit WebsiteVoyage AI delivers domain-tuned embedding models and rerankers for high-precision RAG retrieval
Visit WebsiteWhat real users say: fullmoon 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.
fullmoon
59 mentions across 5 sources · 33% positive — critical (averaged across 5 sources)
Hacker News, YouTube, Product Hunt, GitHub, Lemmy
What users praise
- • Fully offline and private—no data leaves your device.
- • Optimized for Apple Silicon with Metal 3 and MLX.
- • Clean, simple interface that even beginners can use.
- • Free and open-source with no hidden costs.
What frustrates them
- • Naming confusion with another open-source 'fullmoon' project.
- • Limited model selection—only three small models bundled.
- • No API access for remote or automated use.
- • No RAG capability—can't query local documents yet.
Researched Jul 3, 2026
Voyage AI
64 mentions across 6 sources · 45% positive — mixed (weighted across 6 sources)
Hacker News, YouTube, App Store, Stack Overflow, GitHub, Lemmy
What users praise
- • Domain-tuned embedders for finance, legal, and code deliver measurable retrieval precision gains
- • Harvey case study showed 25% fewer irrelevant documents and 3x lower vectorDB costs
- • Low-dimensional embeddings (3x-8x shorter vectors) cut storage and search costs materially
- • Instruction-following rerank-2.5 and rerank-2.5-lite let you steer ranking behavior in plain language
What frustrates them
- • Terms grant Voyage an irrevocable license to train on API customer data by default
- • Usage-based pricing at $0.12-$0.18 per million tokens can balloon for high-frequency agents
- • A community benchmarker found a small Jina model outperformed Voyage for their use case
- • Circular import bug in voyageai v0.3.5 broke lazy import systems before being fixed
Researched Oct 14, 2026
Who should pick which
- Enterprise architect building a legal document RAG systemPick: Voyage AI
Voyage AI provides a legal-specific embedding model and 32K token context, plus SOC2/HIPAA compliance for sensitive data.
- Privacy advocate using only Apple devicesPick: fullmoon
Fullmoon runs fully offline on Apple hardware, ensuring no data leaves the device; free and open-source.
- Student experimenting with LLMs on a MacBookPick: fullmoon
Fullmoon is free, easy to install, and offers pre-quantized models for quick local experimentation without API costs.
- Developer integrating domain-specific RAG for financePick: Voyage AI
Voyage AI's finance-specific embedding model and low-dimensional vectors reduce costs and improve retrieval accuracy.
Frequently Asked Questions
fullmoon vs Voyage AI: which should you choose?
Choose Voyage AI if you need high-accuracy embeddings and rerankers for enterprise RAG with domain specialization (finance, legal) and compliance; choose Fullmoon if you want a free, private, local LLM chat on Apple devices. They serve completely different needs.
Can Fullmoon access the internet?
No, Fullmoon runs completely offline; all processing is local.
Does Voyage AI offer a free trial?
No free tier is mentioned; pricing requires contacting sales.
Which tool has better retrieval accuracy?
Voyage AI is built for high-accuracy retrieval with domain-specialized models and rerankers; Fullmoon is a general chat app.
Can I use Fullmoon on Windows?
No, it is only available on Apple devices (iOS, iPadOS, macOS, visionOS).
Does Voyage AI support multimodal?
Yes, it announced voyage-multimodal-3.5 for multimodal retrieval.
Is Fullmoon open-source?
Yes, it is open-source on GitHub.
Can Voyage AI handle long documents?
Yes, its models support up to 32K tokens context.
Which tool is better for a startup on a budget?
Fullmoon is free, while Voyage AI's enterprise pricing may be expensive for startups.
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Last reviewed: July 3, 2026