About the AI Memory & Context Market Map
This market map tracks 105 startups across 8 categories in the AI Memory & Context landscape. Long-term memory systems, persistent context windows, retrieval-augmented memory, and personalization layers giving AI continuity across sessions and tasks. Curated by Hartmann Capital's venture research team, it provides a comprehensive view of the companies building in this space, from early-stage startups to growth-stage leaders.
Categories & Companies
Vector Databases & Embeddings Infrastructure(16)
Pinecone (Secondary, $238M) · Weaviate (Series B, $68M) · Qdrant (Series A, $28M) · Chroma (Seed, $18M) · Zilliz (Series C, $113M) · Marqo (Series A, $12.5M) · Turbopuffer (Seed, $15M) · LanceDB (Series A, $11M) · Vespa (Open Source) · Jina AI (Series A, $37.5M) · Cohere (Series D, $1600M) · Voyage AI (Acquired) · Nomic (Series A, $17M) · Tessel AI (Seed) · pgvector (Open Source) · Supabase (Series E, $116M)
RAG & Retrieval Platforms(14)
Vectara (Series A, $53.5M) · Contextual AI (Series A, $100M) · Ragie (Seed, $5.5M) · LlamaIndex (Series A, $19M) · LangChain (Series B, $35M) · Hebbia (Series B, $130M) · Unstructured (Series B, $65M) · Reducto (Series A, $24M) · Embedchain (Open Source) · Metal (Seed, $3.6M) · Trieve (Seed, $5.2M) · Anote (Pre-Seed, $3.2M) · Sciphi (Seed) · Superpowered AI (Seed)
Knowledge Graphs & Semantic Memory(14)
Neo4j (Series F, $582M) · TigerGraph (Series D, $174M) · RelationalAI (Series B, $137M) · Graphwise (Acquired) · PuppyGraph (Seed, $5M) · Diffbot (Series B, $24M) · ArangoDB (Series B, $40M) · TerminusDB (Seed, $4.5M) · TypeDB (Seed, $7.5M) · Stardog (Series B, $45M) · Amazon Neptune (Public) · Ontotext (Acquired) · Illumex (Seed, $13M) · WhyHow.AI (Seed)
AI Agent Memory & Context Management(10)
Mem0 (Series A, $24M) · Letta (Seed, $10M) · Zep (Seed, $5M) · MemMachine (Open Source) · MemSync (Pre-Seed) · Cognee (Seed) · Honcho (Pre-Seed) · Plastic Labs (Pre-Seed, $6M) · Context.ai (Seed, $3.5M) · HippoRAG (Open Source)
Conversational Memory & Personalization(12)
Character.AI (Series A, $150M) · Jenova AI (Seed) · Memories.ai (Seed) · Personal AI (Seed, $9M) · Replika (Series A, $11M) · Mindsera (Seed) · Delphi (Seed, $5.2M) · Google Gemini Memory (Public) · Claude Memory (Series E, $7300M) · Hume AI (Series B, $50M) · Inworld AI (Series A, $117M) · Bland AI (Series A, $16M)
Enterprise Knowledge & Search(14)
Glean (Series F, $860M) · Coveo (Public, $340M) · Algolia (Series D, $334M) · Elastic (Public) · Perplexity (Undisclosed, $763M) · Exa (Series B, $107M) · Guru (Series C, $95M) · Moveworks (Series C, $305M) · Dashworks (Seed, $6.8M) · Mendable (Seed) · Kapa.ai (Seed, $3.1M) · Danswer (Seed) · CommandBar (Series A, $24M) · Dust (Series A, $16M)
Data Integration & Context Pipelines(13)
Airbyte (Series B, $181M) · Fivetran (Series D, $730M) · DataStax (Series G, $395M) · Nexla (Series A, $14M) · Superlinked (Seed, $9.5M) · Vectorize (Seed) · Carbon AI (Acquired, $4.6M) · Neum AI (Pre-Seed) · Pathway (Seed, $10M) · Shaped (Seed, $8M) · Stack AI (Seed, $3M) · Prefect (Series C, $56M) · dbt Labs (Series D, $414M)
Memory-Augmented AI Models & Research(12)
OpenAI (Series E, $10000M) · Meta FAIR (Public) · Microsoft Research (Public) · Databricks (Series J, $4100M) · Redis (Series G, $347M) · MongoDB (Public) · Couchbase (Public) · SingleStore (Series F, $260M) · MotherDuck (Series B, $52M) · Neon (Series B, $104M) · Rockset (Acquired, $105M) · ClickHouse (Series B, $250M)
Frequently Asked Questions
- What is the AI Memory & Context market map?
- The AI Memory & Context market map is a curated overview of 105 startups across 8 categories : Vector Databases & Embeddings Infrastructure, RAG & Retrieval Platforms, Knowledge Graphs & Semantic Memory, AI Agent Memory & Context Management, Conversational Memory & Personalization, Enterprise Knowledge & Search, Data Integration & Context Pipelines, Memory-Augmented AI Models & Research. Long-term memory systems, persistent context windows, retrieval-augmented memory, and personalization layers giving AI continuity across sessions and tasks. It is maintained by Hartmann Capital's venture research team.
- How many startups are tracked?
- This map currently tracks 105 startups across 8 categories: Vector Databases & Embeddings Infrastructure (16 companies), RAG & Retrieval Platforms (14 companies), Knowledge Graphs & Semantic Memory (14 companies), AI Agent Memory & Context Management (10 companies), Conversational Memory & Personalization (12 companies), Enterprise Knowledge & Search (14 companies), Data Integration & Context Pipelines (13 companies), Memory-Augmented AI Models & Research (12 companies).
- How can I submit my startup?
- You can submit your startup for inclusion by visiting the submission page. Submissions are reviewed by Hartmann Capital's research team.
- How often is this map updated?
- The AI Memory & Context market map is updated on a rolling basis as new startups emerge, companies raise funding rounds, or the competitive landscape shifts.