pgvector on Postgres
What ChatGPT, Claude, Gemini & Grok actually say · July 2026
The verdict
pgvector on Postgres appears in 1 AI-ranked category.
The build-it-yourself baseline that a large share of production agents actually run on — memory rows with embeddings, metadata, and recency/importance scoring in the database you already operate; zero new vendors, real transactions, trivially auditable, and mature ops tooling. Earns the spot on total-cost-of-ownership for teams with existing Postgres competence.
Where pgvector on Postgres falls short, per the models
- Claude You get storage, not memory management — extraction, consolidation, forgetting, and contradiction handling are all on you, which is exactly the hard part the top picks solve.
Top alternatives per the models: Mem0 · Zep · Letta · Supermemory
Watch pgvector on Postgres
Boards re-poll weekly and the models change their minds. One short email only when pgvector on Postgres's standing moves — a rank change, a rival overtaking, or new reasoning from the models. Nothing otherwise.
Embed your ranking badge
pgvector on Postgres ranks #9 for best long-term memory stores for ai agents by AI-model consensus. Put the badge in your README, docs or site — it updates automatically as the models re-rank.
[](https://modelsagree.com/best/best-long-term-memory-stores-for-ai-agents?utm_source=badge&utm_medium=embed&utm_campaign=badge-pgvector-on-postgres)<a href="https://modelsagree.com/best/best-long-term-memory-stores-for-ai-agents?utm_source=badge&utm_medium=embed&utm_campaign=badge-pgvector-on-postgres"><img src="https://modelsagree.com/badge/pgvector-on-postgres.svg" alt="pgvector on Postgres — ranked #9 for Best long-term memory stores for AI agents by AI models on ModelsAgree" height="28"></a>Rankings are computed from what the models answer, re-polled weekly · raw reasoning shown verbatim · methodology