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Free LangSmith Alternatives in 2026

Looking for free alternatives to LangSmith? We've gathered 8 similar AI tools, including 5 with free or freemium plans, so you can compare no-cost options and find the right fit. Top free picks include Nomic Atlas, Unstructured, Beam Cloud.

Best Free LangSmith Alternatives

  1. Nomic Atlas (Freemium) (Free option) More LangSmith alternatives
  2. Unstructured (Freemium) (Free option) More LangSmith alternatives
  3. Beam Cloud (Freemium) (Free option) More LangSmith alternatives
  4. Letta (Freemium) (Free option) More LangSmith alternatives
  5. Sarvam AI (Freemium) (Free option) More LangSmith alternatives
  6. Patronus AI (Paid) More LangSmith alternatives
  7. turbopuffer (Paid) More LangSmith alternatives
  8. Poolside (Paid) More LangSmith alternatives

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