Alternatives to Letta
The top Agentic AI companies similar to Letta, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
LangChain61Agentic AISan Francisco, United States$260.0M
LlamaIndex64Agentic AIUnited States
Arcten55Agentic AISan Francisco, United States$12.0M- Eternyl40Agentic AISan Francisco, United States$17.0M
MemGPT28Foundation Model- XMxMemory10Artificial IntelligenceLondon, United Kingdom
Dust65Agentic AIParis, France$15.0M
Composio59Agentic AISan Francisco, United States$50.0M- VEVector50Agentic AISan Francisco, United States$3.0M
Hunch47EnterpriseTel Aviv, Israel$1.5M- RARails34Agentic AISan Francisco, United States
LangWare25Artificial IntelligenceSan Francisco, United States
Langbase20Agentic AISan Francisco, United States
Augment Code13Enterprise
newcode.ai10AI Coding AssistantTel Aviv, Israel$1.0M
CraftblocksAgentic AISan Francisco, United States$1.5M
YunniumaAgentic AI
Hebbia72Agentic AINew York, United States$100.0M
Codeium71Artificial IntelligenceMountain View, United States$396.7M
Pinecone69AI InfrastructureSan Francisco, United States$138.0M
Patronus AI63Agentic AISan Francisco, United States$14.5M
Airweave63Agentic AISan Francisco, United States$6.0M
Harvey.61Legal & ComplianceNew York, United States$100.0M
Vectara60Agentic AIPalo Alto, United States$40.0M
Channel360Agentic AISan Francisco, United States$7.0M
Fal58Agentic AISan Francisco, United States$182.3M
Auto-GPT56Agentic AI$12.0M
Vijil55Agentic AISan Francisco, United States$17.0M
Pandektes55Agentic AITel Aviv, Israel$7.3M
Toolbase54Developer ToolsSan Francisco, United States$10.0M
Feast AI54MLOpsSan Francisco, United States$8.0M
Deeto54EnterpriseSan Francisco, United States$12.5M- Logic Design Tech .54Agentic AISan Francisco, United States
Langflow53Agentic AILisbon, Portugal$1.0M
Aviro53Agentic AISan Francisco, United States$500K
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3M
Modal Labs52Agentic AISan Francisco, United States$693.0M
RelAI51Agentic AISan Francisco, United States$10.0M
Flexor AI51Generative AINew York, United States$20.0M
OpenMind50RoboticsSan Francisco, USA$10.0M
Truffle AI (YC W25)50Agentic AISan Francisco, United States$500.0M
Geniez.ai50Foundation ModelNew York, United States$256.0M
/dev/agents50Agentic AISan Francisco, United States
Linkup48Agentic AISan Francisco, United States
Recall AI46Personal AISan Francisco, United States$10.3M
Alpic44AI InfrastructureParis, France$12.0M
Norm Ai44Agentic AINew York, United States$17.0M
Boost.space44AI InfrastructureTel Aviv, Israel$4.5M
Microsoft43Operating SystemRedmond, United States
EntropyOS42Operating SystemSan Francisco, United States- Persistencelayer40AI InfrastructureSan Francisco, United States$10.0M
Railtown Cloud40Agentic AISan Francisco, United States
Bisheng40Artificial IntelligenceSan Francisco, United States$4.5M
Compbrief38AI Search EngineSan Francisco, United States
Reshuffle37Agentic AISan Francisco, United States$20.0M
Inteleye37Agentic AITel Aviv, Israel$10.0M
Openmacaw35Agentic AISan Francisco, United States$15.0M
AIME35MetaverseTel Aviv, Israel$1.0M
Hyperspell35Agentic AISan Francisco, United States$1.5M
Look Up33AI Search EngineSan Francisco, United States$50.0M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| LangChain | Agentic AI | San Francisco, United States | $260.0M | 61 |
| LlamaIndex | Agentic AI | United States | — | 64 |
| Arcten | Agentic AI | San Francisco, United States | $12.0M | 55 |
| Agentic AI | San Francisco, United States | $17.0M | 40 | |
| MemGPT | Foundation Model | — | — | 28 |
| XMxMemory | Artificial Intelligence | London, United Kingdom | — | 10 |
| Dust | Agentic AI | Paris, France | $15.0M | 65 |
| Composio | Agentic AI | San Francisco, United States | $50.0M | 59 |
| VEVector | Agentic AI | San Francisco, United States | $3.0M | 50 |
| Hunch | Enterprise | Tel Aviv, Israel | $1.5M | 47 |
| RARails | Agentic AI | San Francisco, United States | — | 34 |
| LangWare | Artificial Intelligence | San Francisco, United States | — | 25 |
| Langbase | Agentic AI | San Francisco, United States | — | 20 |
| Augment Code | Enterprise | — | — | 13 |
| newcode.ai | AI Coding Assistant | Tel Aviv, Israel | $1.0M | 10 |
| Craftblocks | Agentic AI | San Francisco, United States | $1.5M | — |
| Yunniuma | Agentic AI | — | — | — |
| Hebbia | Agentic AI | New York, United States | $100.0M | 72 |
| Codeium | Artificial Intelligence | Mountain View, United States | $396.7M | 71 |
| Pinecone | AI Infrastructure | San Francisco, United States | $138.0M | 69 |
| Patronus AI | Agentic AI | San Francisco, United States | $14.5M | 63 |
| Airweave | Agentic AI | San Francisco, United States | $6.0M | 63 |
| Harvey. | Legal & Compliance | New York, United States | $100.0M | 61 |
| Vectara | Agentic AI | Palo Alto, United States | $40.0M | 60 |
| Channel3 | Agentic AI | San Francisco, United States | $7.0M | 60 |
| Fal | Agentic AI | San Francisco, United States | $182.3M | 58 |
| Auto-GPT | Agentic AI | — | $12.0M | 56 |
| Vijil | Agentic AI | San Francisco, United States | $17.0M | 55 |
| Pandektes | Agentic AI | Tel Aviv, Israel | $7.3M | 55 |
| Toolbase | Developer Tools | San Francisco, United States | $10.0M | 54 |
| Feast AI | MLOps | San Francisco, United States | $8.0M | 54 |
| Deeto | Enterprise | San Francisco, United States | $12.5M | 54 |
| Agentic AI | San Francisco, United States | — | 54 | |
| Langflow | Agentic AI | Lisbon, Portugal | $1.0M | 53 |
| Aviro | Agentic AI | San Francisco, United States | $500K | 53 |
| Manufact Inc. | AI Infrastructure | San Francisco, United States | $6.3M | 52 |
| Modal Labs | Agentic AI | San Francisco, United States | $693.0M | 52 |
| RelAI | Agentic AI | San Francisco, United States | $10.0M | 51 |
| Flexor AI | Generative AI | New York, United States | $20.0M | 51 |
| OpenMind | Robotics | San Francisco, USA | $10.0M | 50 |
| Truffle AI (YC W25) | Agentic AI | San Francisco, United States | $500.0M | 50 |
| Geniez.ai | Foundation Model | New York, United States | $256.0M | 50 |
| /dev/agents | Agentic AI | San Francisco, United States | — | 50 |
| Linkup | Agentic AI | San Francisco, United States | — | 48 |
| Recall AI | Personal AI | San Francisco, United States | $10.3M | 46 |
| Alpic | AI Infrastructure | Paris, France | $12.0M | 44 |
| Norm Ai | Agentic AI | New York, United States | $17.0M | 44 |
| Boost.space | AI Infrastructure | Tel Aviv, Israel | $4.5M | 44 |
| Microsoft | Operating System | Redmond, United States | — | 43 |
| EntropyOS | Operating System | San Francisco, United States | — | 42 |
| AI Infrastructure | San Francisco, United States | $10.0M | 40 | |
| Railtown Cloud | Agentic AI | San Francisco, United States | — | 40 |
| Bisheng | Artificial Intelligence | San Francisco, United States | $4.5M | 40 |
| Compbrief | AI Search Engine | San Francisco, United States | — | 38 |
| Reshuffle | Agentic AI | San Francisco, United States | $20.0M | 37 |
| Inteleye | Agentic AI | Tel Aviv, Israel | $10.0M | 37 |
| Openmacaw | Agentic AI | San Francisco, United States | $15.0M | 35 |
| AIME | Metaverse | Tel Aviv, Israel | $1.0M | 35 |
| Hyperspell | Agentic AI | San Francisco, United States | $1.5M | 35 |
| Look Up | AI Search Engine | San Francisco, United States | $50.0M | 33 |