Model comparison

Sibyl Memory vs Claude 4 Opus

Capability radar, value bars, and side-by-side posture.

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Sibyl Memory
Not scored
value score
Claude 4 Opus
95
value score
Sibyl Memory ctx
Claude 4 Opus ctx
200K

Capability radar

Value · context · multimodal · openness · speed posture

Value head-to-head

  • Claude 4 Opus95

Attribute tape

FieldSibyl MemoryClaude 4 Opus
DeveloperSibyl LabsAnthropic
Context200K
ModalitiesText, Code, Image
OpennessProprietary Model
Speed
Price$15/1M in · $75/1M out
Value score95
SummarySibyl Memory is a local-first, persistent memory layer for AI agents, providing durable structured recall across sessions via a SQLite-backed, file-based five-tier hierarchy with no vector database required. It is packaged as a Python SDK, CLI, and MCP server integration for autonomous agent pipelines.Anthropic frontier Opus-class model.
Open Sibyl MemoryOpen Claude 4 Opus