{"id":"sandbar-stream--sandbar-com","name":"Sandbar Stream","url":"https://www.sandbar.com","page":"https://mrpeppersdev.github.io/agent-infrastructure-landscape/systems/sandbar-stream--sandbar-com","family":"memory","section":"Voice-first / wearable AI memory","sections":["Voice-first / wearable AI memory"],"tier":2,"last_verified_at":"2026-10-22","lifecycle":{"status":"active","severity":0,"note":null},"taxonomy":{"storage":[{"value":"file","primary":true,"reason":null}],"retrieval":[{"value":"extraction-pull","primary":true,"reason":null}],"persistence":[{"value":"long-term","primary":true,"reason":null}],"update":[{"value":"append-only","primary":true,"reason":null}],"unit":[{"value":"episode","primary":true,"reason":null}],"governance":[{"value":"user-controllable","primary":true,"reason":null}],"conflict":[{"value":"none","primary":true,"reason":"none specified"}]},"cells":{"type":{"value":"Smart ring + voice-activated capture","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"desc":{"value":"Smart ring with voice-activated capture (tap to record, not always-on). Personal knowledge graph with companies, people, meetings; pulls context from past meetings and shared interests. Ex-Meta engineering team.","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"claims":{"value":"$23M Series A (March 2026). \"Mouse for voice\" positioning. Ring preorder $249–$299; shipping targeted summer 2026.","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"modalities":{"value":"voice","citation":"https://www.sandbar.com","status":"real-data","tier":"T2","source_class":"vendor"},"created":{"value":"2025-11","citation":"https://techcrunch.com/2025/11/05/former-meta-employees-launch-stream-a-smart-ring-that-takes-voice-notes-and-controls-music/","status":"real-data","tier":"T2","last_verified_at":"2026-05-12","source_class":"third-party"},"latest-release":{"value":"not applicable — not OSS","citation":null,"status":"not-applicable","tier":"T3","last_verified_at":"2026-05-12"},"license":{"value":"not applicable — not OSS","citation":null,"status":"not-applicable","tier":"T3"},"gh":{"value":"not applicable — no GitHub repo","citation":null,"status":"not-applicable","tier":"T3","last_verified_at":"2026-05-12"},"mindshare":{"value":"searched not found","citation":"https://www.sandbar.com/","status":"depth-floor-reached","tier":"T2","last_verified_at":"2026-05-12","source_class":"vendor"},"citations":{"value":"not applicable — not academic","citation":null,"status":"not-applicable","tier":"T3","last_verified_at":"2026-05-12"},"funding":{"value":"$36M total Series A · 2026-03","citation":"https://techcrunch.com/2025/11/05/former-meta-employees-launch-stream-a-smart-ring-that-takes-voice-notes-and-controls-music/","status":"real-data","tier":"T2","last_verified_at":"2026-05-12","source_class":"third-party"},"customers":{"value":"11-50 ppl Pre-order, not yet shipping, no customers yet","citation":"https://www.sandbar.com","status":"real-data","tier":"T2","source_class":"vendor"},"pricing":{"value":"Ring preorder $249 (silver) / $299 (gold); Pro subscription $10/mo (free 3mo for preorders)","citation":"https://techcrunch.com/2026/03/10/sandbar-secures-23m-series-a-for-its-ai-note-taking-ring/","status":"real-data","tier":"T2","source_class":"third-party"},"compliance":{"value":"searched not found","citation":"https://www.sandbar.com/stream","status":"depth-floor-reached","tier":"T2","source_class":"vendor"},"data-handling":{"value":"searched not found","citation":"https://www.techi.com/sandbar-stream-smart-ring-wearable-ai-privacy-creativity/","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"deployment":{"value":"Managed-only; still listed as preorder on site as of Oct 2026","citation":"https://www.sandbar.com","status":"real-data","tier":"T2","source_class":"vendor"},"hq":{"value":"US","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"founders":{"value":"ex-CTRL-Labs (Meta-acquired) co-founders Mina Fahmi (ex-Kernel; ex-Magic Leap) and Kirak Hong","citation":"https://techcrunch.com/2025/11/05/former-meta-employees-launch-stream-a-smart-ring-that-takes-voice-notes-and-controls-music/","status":"real-data","tier":"T2","source_class":"third-party"},"volume":{"value":"no scale claim","citation":"https://www.sandbar.com","status":"real-data","tier":"T2","source_class":"vendor"},"perf":{"value":"no public benchmark scores found","citation":"https://www.sandbar.com/","status":"depth-floor-reached","tier":"T2","source_class":"vendor"},"repro":{"value":"not applicable — not a research paper","citation":null,"status":"not-applicable","tier":"T3"},"code-release":{"value":"not applicable — not a research paper","citation":null,"status":"not-applicable","tier":"T3"},"api-surface":{"value":"searched not found","citation":"https://www.google.com/search?q=Sandbar%20Stream%20documentation%20API","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"latency":{"value":"searched not found","citation":"https://www.google.com/search?q=Sandbar%20Stream%20documentation%20API","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"throughput":{"value":"searched not found","citation":"https://www.google.com/search?q=Sandbar%20Stream%20documentation%20API","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"backend-storage":{"value":"searched not found","citation":"https://www.google.com/search?q=Sandbar%20Stream%20documentation%20API","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"multi-tenancy":{"value":"searched not found","citation":"https://www.google.com/search?q=Sandbar%20Stream%20documentation%20API","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"encryption":{"value":"searched not found","citation":"https://www.google.com/search?q=Sandbar%20Stream%20documentation%20API","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"sso-rbac":{"value":"searched not found","citation":"https://www.google.com/search?q=Sandbar%20Stream%20documentation%20API","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"embedding-model":{"value":"searched not found","citation":"https://www.google.com/search?q=Sandbar%20Stream%20documentation%20API","status":"depth-floor-reached","tier":"T2","source_class":"third-party"},"consistency":{"value":"strong","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"versioning":{"value":"immutable append-log","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"tombstoning":{"value":"append-only no delete","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"schema-evolution":{"value":"free-form / no schema","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"namespace":{"value":"hierarchical","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"contradiction":{"value":"always append (no resolution)","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"forgetting":{"value":"user-controlled forget","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"mcp-support":{"value":"yes — first-party Stream MCP server (api.sandbar.com/mcp, OAuth; Claude, Claude Code, ChatGPT, Codex); invite-only beta","citation":"https://www.sandbar.com/mcp","status":"real-data","tier":"T2","source_class":"vendor"},"a2a-support":{"value":"searched not found","citation":"https://www.sandbar.com/","status":"depth-floor-reached","tier":"T2","source_class":"vendor"},"otel":{"value":"searched not found","citation":"https://www.sandbar.com/","status":"depth-floor-reached","tier":"T2","source_class":"vendor"},"webhooks":{"value":"searched not found","citation":"https://www.sandbar.com/","status":"depth-floor-reached","tier":"T2","source_class":"vendor"},"import-export":{"value":"searched not found","citation":"https://www.sandbar.com/","status":"depth-floor-reached","tier":"T2","source_class":"vendor"},"integration-count":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"orchestration":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"programmatic-control":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"vendor-benchmarks":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3","last_verified_at":"2026-05-12"},"pricing-specifics":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"agent-abstraction":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"memory-primitives":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"llm-lock":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"runtimes":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"session-handling":{"value":"not applicable — wrong section","citation":null,"status":"not-applicable","tier":"T3"},"validated-verticals":{"value":"consumer / individual (voice + wearable users)","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"time-to-running":{"value":"<1day (purchase hardware + pair) or <10min (software-only meeting bots)","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"anti-fit":{"value":"not for enterprise compliance-regulated environments without explicit consent flows","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"optimised-for":{"value":"always-on capture + lifelog timeline + voice UX","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"adjacent-infrastructure":{"value":"self-contained device + cloud back-end","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"pros":{"value":"Smart-ring form factor + voice activation differentiates from always-on competitors; fresh $23M Series A.","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"cons":{"value":"Hardware preorder, not yet shipping; ring form factor narrower attach surface than pendant or pin.","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"links":{"value":"sandbar.com Stream product $23M Series A (TC)","citation":"https://www.sandbar.com/","status":"real-data","tier":"T2","source_class":"vendor"},"obs-langsmith":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"obs-opentelemetry":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"obs-datadog":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"obs-helicone":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"obs-weave":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"obs-langfuse":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"obs-arize":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"obs-custom":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"cost-token-budget":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"cost-prompt-caching":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"cost-semantic-caching":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"cost-batching":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"cost-model-routing":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"cost-streaming-only":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"cost-observability-cost-attribution":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"eval-langsmith-evals":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"eval-braintrust":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"eval-weights-and-biases-agent":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"eval-helicone-evals":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"eval-custom-test-harness":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"eval-human-loop":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"eval-production-traffic-replay":{"value":"","citation":null,"status":"no-data","tier":"T3","last_verified_at":"2026-05-14"},"commit-trajectory":{"value":"not applicable — no GitHub repo","citation":null,"status":"not-applicable","tier":"T3","last_verified_at":"2026-05-14"},"citation-trajectory":{"value":"not applicable — non-paper row","citation":null,"status":"not-applicable","tier":"T3","last_verified_at":"2026-05-14"},"download-trajectory":{"value":"not applicable — not published as a package","citation":null,"status":"not-applicable","tier":"T3","last_verified_at":"2026-05-14"},"cost-input-usd-per-mtok":{"value":"not applicable — hardware preorder plus subscription, no per-token cost","citation":null,"status":"not-applicable","tier":"T3"},"cost-output-usd-per-mtok":{"value":"not applicable — hardware preorder plus subscription, no per-token cost","citation":null,"status":"not-applicable","tier":"T3"},"cost-tier":{"value":"mid","citation":null,"status":"estimate","tier":"T3"},"cost-pricing-model":{"value":"subscription","citation":null,"status":"estimate","tier":"T3"},"cost-last-verified":{"value":"2026-06-29","citation":null,"status":"estimate","tier":"T3"},"capability-composite-score":{"value":"34","citation":null,"status":"estimate","tier":"T3"},"capability-band":{"value":"entry","citation":null,"status":"estimate","tier":"T3"},"capability-benchmark-sources":{"value":"general capability estimate — no specific benchmark recalled","citation":null,"status":"estimate","tier":"T3"},"capability-last-verified":{"value":"2026-06-29","citation":null,"status":"estimate","tier":"T3"},"use-case-tags":{"value":"latency-sensitive, memory-augmented-chat","citation":null,"status":"estimate","tier":"T3"},"use-case-anti-tags":{"value":"code-generation-focused, multi-agent-coordination, offline-capable","citation":null,"status":"estimate","tier":"T3"},"adoption-accelerator":{"value":"","citation":null,"status":"no-data","tier":"T3"},"architecture-deployment-locus":{"value":"cloud","citation":"https://www.sandbar.com/security","status":"real-data","tier":"T2","source_class":"vendor"},"licensing-bucket":{"value":"commercial","citation":"https://techcrunch.com/2026/03/10/sandbar-secures-23m-series-a-for-its-ai-note-taking-ring/","status":"real-data","tier":"T2","source_class":"third-party"},"positioning-platform-vs-product":{"value":"product","citation":"https://www.sandbar.com","status":"real-data","tier":"T2","source_class":"vendor"},"taxonomy-three-layer-rollup":{"value":"agent-infra","citation":"https://github.com/MrPeppersDev/agent-infrastructure-landscape/blob/main/docs/schema/section-to-three-layer-rollup.json","status":"real-data","tier":"T1","source_class":"repo"},"developer-activity-opendigger":{"value":"","citation":null,"status":"no-data","tier":"T3"},"freshness-date":{"value":"2026-10-22","citation":"https://mrpeppersdev.github.io/agent-infrastructure-landscape/systems/sandbar-stream--sandbar-com","status":"real-data","tier":"T2","source_class":"catalog"},"compliance-certifications":{"value":"","citation":null,"status":"no-data","tier":"T3"},"sdk-languages":{"value":"","citation":null,"status":"no-data","tier":"T3"},"protocol-support":{"value":"","citation":null,"status":"no-data","tier":"T3"},"maturity":{"value":"","citation":null,"status":"no-data","tier":"T3"}},"corroboration":{"cited_cells":32,"third_party_cells":5},"edges":{"outgoing":[],"incoming":[]},"history":[{"date":"2026-10-22","commit":"d1f77cf661","pr":219,"kind":"update","changes":[{"field":"deployment","label":"Deployment","from":"Managed-only (preorder; shipping summer 2026)","to":"Managed-only; still listed as preorder on site as of Oct 2026","source":"https://www.sandbar.com"},{"field":"mcp-support","label":"MCP support","from":"","to":"yes — first-party Stream MCP server (api.sandbar.com/mcp, OAuth; Claude, Claude Code, ChatGPT, Codex); invite-only beta","first":true,"source":"https://www.sandbar.com/mcp"}]}],"license":"CC-BY-4.0","source":"https://github.com/MrPeppersDev/agent-infrastructure-landscape/blob/main/data/landscape.json"}