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ChatDev 2.0

by OpenBMB

System Card

OrganizationOpenBMB
Released2026-01
Architectureagentic-workflow / Multi-agent workflow with memory module
DetailsZero-code multi-agent platform. Backend is FastAPI with a runtime manager; workflow engine runs YAML entity configs; frontend Vue 3. Persistent memory module tracks context flow, intermediate artifacts, and variable passing between agent nodes.
Parameters—
Domainagent-memoryepisodic-session
Open SourceYes
PaperView Paper
WebsiteVisit
CodeRepository
multi-agentzero-codeworkflowopenbmb

Capability Profile

Benchmark Scores

6 of 14 benchmarks
Data Transparency:6 estimated
Long-Context Retrieval
0/5
RULER
no data
NIAH
no data
LooGLE
no data
LongBench
no data
∞Bench
no data
Multi-Turn Recall
2/2
LoCoMo
76.160pEstimated
MemoryBank
72.327pEstimated
Cross-Session Memory
1/1
LongMemEval
79.271pEstimated
Multi-Hop QA
2/3
BABILong
no data
MultiHop-RAG
70.541pEstimated
HotpotQA
71.852pEstimated
Agent Task Memory
1/1
AgentBench-Mem
7226pEstimated
Personalization
0/1
PerLTQA
no data
Factuality / Grounding
0/1
RAGAS
no data
Sources:Arena estimate — derived from capability profile, not independently verified