Cyberax AI Playbook
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Model · Voyage AI · Embeddings

Voyage 4

Voyage AI's flagship embedding model (voyage-4-large). Top of MTEB across many tasks; the embedding service Anthropic recommends for Claude RAG workloads.

Modality
Embeddings
License
Proprietary (Proprietary)
Context window
32,000 tokens
Released
January 15, 2026
Last verified
June 8, 2026
Runs locally
No

Strengths

  • Top-tier MTEB performance — first MoE production embedding model
  • 32k input context — fits long documents
  • Domain-specialised variants (voyage-code, voyage-finance, voyage-law)

Weaknesses

  • Closed weights
  • Smaller ecosystem than OpenAI/Cohere

Try it

WhereTypeNotes
Voyage API hosted-api API key required, free tier

Change log

  • — Updated from Voyage 3 to voyage-4-large (released 2026-01-15). The voyage-3 series is still accessible but Voyage marks it 'not recommended for new implementations'. (Interim: voyage-3.5 2025-05.)
  • — Initial entry.