Perplexity Brain
Topic-organised shared memory layer under Perplexity Search, the Computer agent and possibly Comet; stores projects, decisions and sources, retrieves selectively per task, and exposes topics plus a 3D connection map to the user. Traction: Major-vendor announcement; Perplexity claims +25% correctness, +16% recall, -13% cost on context-dependent tasks
Active · Verified 2026-10-23 · fresh as of 2026-10-23 · 11 cited facts, 1 with a third-party source · 1 recorded change · Suggest a correction
At a glance
- Tier
- T3
- Section
- Platform-provider memory
- Created
- searched not found fix
- Latest release
- searched not found fix
- License
- proprietary vendor fix
- GitHub
- not applicable — no GitHub repo fix
- Pricing
- searched not found fix
- Funding
- searched not found fix
- Freshness
- 2026-10-23 fix
- Layer
- agent-infra repo fix
- Licensing
- commercial vendor fix
- Compliance
- fedramp, gdpr, iso27001, pci-dss, soc2-type2 vendor fix
Memory taxonomy
- storage
- proprietary
- retrieval
- agentic
- persistence
- long-term
- update
- extraction
- unit
- fact
- governance
- inspectable
- conflict
- n/a
When to use
Optimised for: searched not found
Anti-fit: searched not found
Pros & cons
Pros
searched not found
Cons
searched not found
Claims & capabilities
searched not found
Technical surface
- API surface
- searched not found
- Backend storage
- searched not found
- Deployment
- searched not found
- Embedding model
- searched not found
- Multi-tenancy
- searched not found
- MCP
- searched not found
- A2A
- searched not found
- OpenTelemetry
- searched not found
Alternatives to Perplexity Brain → live options ranked by shared design, licence, hosting and MCP support
Similar systems
Other platform-provider memory in the catalog, ranked by inbound references.
- AWS Bedrock AgentCore Memory T2
AWS managed memory service for agents running on Bedrock AgentCore. Native integrations with LangChain/LangGraph and Strands. Drives long-running MCP servers + agent workloads.
- Vertex AI Memory Bank (now Agent Platform Memory Bank) T2
Google Cloud managed memory service, now 'Agent Platform Memory Bank' in Gemini Enterprise Agent Platform. LLM-based memory extraction/consolidation from sessions (background, multimodal, custom topics), per-identity isolation, similarity search, TTL, revisions; used from ADK via VertexAiMemoryBankService.
- Anthropic Claude Memory T1
Memory tool API + consumer "Memory" feature + Auto Dream consolidation. Document-as-memory rather than extracted-fact-as-memory.
- Anthropic Managed Agents — Memory T3
Public-beta memory stores for Claude Managed Agents: workspace-scoped collections of text documents mounted into the session sandbox as a directory the agent reads and writes with its file tools; every change is versioned for audit and point-in-time restore, and memories can also be managed via API/Console.
- Cloudflare Agent Memory T2
Managed persistent memory service for AI agents on Cloudflare's edge. Private beta announced 2026-04-17. Sits alongside Workers AI / Vectorize as the memory tier of the Cloudflare agent stack.
- Google Gemini Memory T1
Gemini app learns from past chats via the Personal context setting (on by default, can be disabled; temporary chats excluded). Users can import memories and full chat history from ChatGPT, Claude and other assistants (18+, personal accounts, not EEA/CH/UK).
Sources (10 cited facts, 1 third-party)
Each fact links to the page it came from; the badge says who published it (how to read sources).
- What it is Product vendor
- What it does & what's distinct Topic-organised shared memory layer under Perplexity Search, the Computer agent and poss… vendor
- License proprietary vendor
- Project & sources https://www.perplexity.ai/ vendor
- adoption-accelerator ai-grant third-party
- architecture-deployment-locus cloud vendor
- licensing-bucket commercial vendor
- positioning-platform-vs-product product vendor
- taxonomy-three-layer-rollup agent-infra repo
- compliance-certifications fedramp,gdpr,iso27001,pci-dss,soc2-type2 vendor
What changed
Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)
- 2026-10-23 Added to the catalog #222