Soul Machines alternatives

In receivership since 2026-02-05 (KPMG receivers Leon Bowker and Luke Norman, appointed under a security deed held for convertible-note holders; NZ Gazette notice 2026-ar623); website still up. NZ/US digital-humans company. Full Soul Machines record →

  1. 1 ASAPP GenerativeAgent Vertical / domain-specific AI memory

    also in Vertical / domain-specific AI memory · same storage (vector) · same retrieval (similarity, injection) · same memory unit (episode, fact) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Soul Machines →

  2. 2 Convai (Mimir) Vertical / domain-specific AI memory

    also in Vertical / domain-specific AI memory · same storage (vector, kv) · same retrieval (similarity, injection) · same memory unit (episode, fact) · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ? Compare with Soul Machines →

  3. 3 Hippocratic AI Polaris Vertical / domain-specific AI memory

    also in Vertical / domain-specific AI memory · same storage (vector) · same retrieval (similarity, injection) · same memory unit (episode, fact) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Soul Machines →

  4. 4 Cresta Vertical / domain-specific AI memory

    also in Vertical / domain-specific AI memory · same storage (vector, kv) · same retrieval (similarity, injection) · same memory unit (episode, fact) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Soul Machines →

  5. 5 Replicant Vertical / domain-specific AI memory

    also in Vertical / domain-specific AI memory · same storage (kv) · same retrieval (injection) · same memory unit (fact) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Soul Machines →

  6. 6 Replika Vertical / domain-specific AI memory

    also in Vertical / domain-specific AI memory · same storage (vector, kv) · same retrieval (similarity, injection) · same memory unit (episode, fact) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Soul Machines →

  7. 7 NVIDIA ReMEmbR Vertical / domain-specific AI memory

    also in Vertical / domain-specific AI memory · same storage (vector) · same retrieval (similarity) · same memory unit (episode)

    OSS — Self-host ✓ Managed — MCP ? ★ 359 Custom Compare with Soul Machines →

  8. 8 ChatGPT Study Mode Vertical / domain-specific AI memory

    also in Vertical / domain-specific AI memory · same storage (vector) · same retrieval (similarity) · same memory unit (fact)

    OSS ? Self-host — Managed — MCP ✓ Compare with Soul Machines →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.