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∞ Former

by Instituto de Telecomunicações / DeepMind / IST (Martins, Marinho, Martins)

System Card

OrganizationInstituto de Telecomunicações / DeepMind / IST (Martins, Marinho, Martins)
Released2021-09
Architectureexternal-memory-network / Continuous-space attention over long-term memory
DetailsContinuous-space long-term memory accessed via a continuous attention mechanism, so attention complexity is independent of context length. "Sticky memories" give more space to frequently accessed regions (biologically inspired).
Parameters—
Domainlong-context
Open SourceNo
PaperView Paper
acl-2022continuous-attentionsticky-memoriesunbounded

Capability Profile

Benchmark Scores

6 of 14 benchmarks
Data Transparency:6 estimated
Long-Context Retrieval
5/5
RULER
72.765pEstimated
NIAH
7331pEstimated
LooGLE
77.964pEstimated
LongBench
603pEstimated
∞Bench
78.247pEstimated
Multi-Turn Recall
0/2
LoCoMo
no data
MemoryBank
no data
Cross-Session Memory
0/1
LongMemEval
no data
Multi-Hop QA
1/3
BABILong
75.150pEstimated
MultiHop-RAG
no data
HotpotQA
no data
Agent Task Memory
0/1
AgentBench-Mem
no data
Personalization
0/1
PerLTQA
no data
Factuality / Grounding
0/1
RAGAS
no data
Sources:Arena estimate — derived from capability profile, not independently verified