cognee
knowledge graph plus vector index built from what is added (cognify). https://github.com/topoteretes/cognee
- Core
- 61% · 33.7 / 55
- Full
- 67% · 43.7 / 65 · 65 of 100 measured
- Common with gbrain
- 43.7 vs 50.4 on 65
- Chars per answer
- 4,725 · answer after 294
- Write → visible
- 883 ms · p95 926 ms
- Write-back
- 2 of 2 degraded answers came back
- Reached through
- Python library
- Model on write
- yes: graph extraction (Gemini)
- Key needed
- LLM provider
- Runs
- local
- License
- Apache-2.0
- Deterministic
- no: extraction is a model call
Configuration: 1.6.1, gemini-3-flash-preview and gemini-embedding-001, door = recall context (only_context), dates shown through include_external_metadata, fresh session per call; reference = median of three builds (45.4, 43.7, 43.7). Run 2026-09-30, door context,
fingerprint 9c9c8684e6. Report:
examples/cognee_report/reference.md
Sections
door | 18.8 of 25 · 6 pass · 2 fail | FAIL Which version of MailBridge is installed for the mailbox? — STALE value delivered next to the current one: 1.3.0 FAIL What is the owner's phone number? — missing +39 |
cards | not measured | section not measured: no entity cards in this memory |
updates | 3.3 of 10 · 1 pass · 2 fail | FAIL a new write with a changed value replaces the old one at the door (no id given) — new value served in 1056 ms; STALE: the old value is still delivered (14 reads with both) FAIL restating the current value does not pile up a second copy — 3 copies delivered |
time | 8.3 of 10 · 5 pass · 1 fail | FAIL semantic memories carry their age (53/66) — 80% |
live state | 10.0 of 10 · 7 pass · 0 fail | |
abstention | 3.3 of 10 · 0 pass · 4 fail | FAIL What is the Zarpetta module? — episodes presented as direct matches; 9 keyword facts for something that does not exist FAIL Who is Ottavio Brambillesco? — episodes presented as direct matches; 8 keyword facts for something that does not exist FAIL Which port does the Fulmicotone service use? — episodes presented as direct matches; 8 keyword facts for something that does not exist FAIL What does the calendar plugin Girandola do? — episodes presented as direct matches; 9 keyword facts for something that does not exist |
file search | not measured | section not measured: no repo configured (--repo) |
graph | not measured | section not measured: no case with evidence (all SKIP or no cases) |