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4. Comparison

AgentGrid vs MAS vs Agents

Dimension Agent (Gen-1) MAS (Gen-2) Agent Grid (Gen-3)
Scope & unit Single goal-conditioned loop; tools as subroutines; local policies; no external contracts; optimized for one user context and narrow objectives. Team of specialized agents; explicit roles; messages coordinate tasks over a private bus; contracts are social and owner-enforced, not cryptographically formal. Open network of agents across orgs; roles fluid; protocol contracts enforceable; ecosystem coordination via registries, markets, and standardized intents.
Trust boundary One domain; owner trust assumed; attack surface mostly prompt/tool I/O; mitigations are local and procedural. Intra-org trust; shared policies; limited adversarial exposure; schemas and supervision curb misuse within a common authority. Cross-org, semi-adversarial; zero-trust defaults; verifiable identity and rate-limited principals; disputes handled by protocol processes.
World model Private world model per task; narrow ontology; brittle to distribution shifts; limited shared ground truth. Partially shared models; knowledge graph/blackboard binds roles; schemas negotiated but controlled by one owner. Interoperable ontologies; versioned semantics; plural models coexist; alignment via open standards and conformance tests.
Memory/state Local episodic/semantic memory; vector stores and scratchpads; retention/decay tuned per task. Shared private state (CRDT/task graph); merges by team policy; rollback and lineage under owner control. Sovereign state with consent & lineage; portable logs/KGs; cross-provider interop with rights-aware retention.
Coordination Internal loop and planners; critics as functions; minimal negotiation; mostly sequential execution. Message-passing protocols; auction/contract-net tasking; debate/critique; orchestration or choreography patterns. Federated pub/sub with typed speech acts; price signals; micro-economies form/dissolve to realize intents efficiently.
Protocols & I/O Ad-hoc tool DSLs; loosely typed I/O; informal versioning; tight coupling to host stack. Org-level APIs; schema registries; contracts via tests and SLAs on an internal bus/RPC. Open standards; capability descriptors; versioned ontologies; mailbox endpoints; interop test suites ensure fidelity.
Identity (AuthN) Single principal or API key; coarse identity; manual rotation; weak provenance guarantees. Service accounts per role; namespaced audit IDs; internal IAM; limited external verifiability. Verifiable IDs with attestations; DID/PKI-style proofs; reputation signals; automated rotation/decay of credentials.
Authorization (AuthZ) Static scopes; least-privilege ad hoc; approvals manual and context-blind. Role-scoped tokens; policy engines enforce access; exceptions via owner override. Intent-scoped capability tokens; time-boxed rights; delegations traceable; global, immediate revocation.
Governance & policy Policies baked into prompts/code; edits local; oversight minimal. Polycentric within org: team norms, reviews, change boards; audits periodic and internal. Protocol-native governance; on/off-chain policy exchange; attestations & continuous conformance proofs across jurisdictions.
Incentives Implicit: finish tasks cheaply/quickly; no pricing or staking mechanisms. Team KPIs; rewards implicit; little explicit mechanism design beyond throughput/quality. Mechanism-designed incentives; prices for compute/data/tools; staking/slashing; reputation-driven routing and access.
Discovery/registry Hard-coded tools; manual catalogs; brittle to change and version drift. Internal registries; typed catalogs; service discovery within one network. Open capability registries; compliance tags; price/quality metadata; decentralized search and verification.
Asset rights Assumes local rights; consent rarely explicit; provenance ad hoc and hard to audit. Owner-managed sharing; NDAs/policies; limited data residency and purpose control. Consent, provenance, usage terms attached to asset; regional constraints enforced by policy engines end-to-end.
State portability Exports as files/vectors; migrations manual and lossy. Shared formats within org; adapters required across teams/products. Portable append-only logs/KGs; CRDT/ledger interop; reversible import/export with lineage preserved.
Compute & scheduling Single scheduler; best-effort execution; no cross-tenant SLO guarantees. Pooled compute; queue-based orchestration; SLOs internal to the owner. Multi-provider scheduling; verifiable compute attestations; cross-domain SLO brokering; congestion and rate markets.
Reliability/SRE Local retries/rollbacks; blast radius limited to one agent and its tools. Health checks, backpressure, circuit breakers on the bus; failures contained by org domains. End-to-end tracing across providers; isolation per intent; rate markets for throttling abuse and hot spots.
Safety & risk Prompt filters and static guardrails; manual kill-switch; limited forensics. Policy engines; role sandboxes; internal red-team agents; structured playbooks. Zero-trust isolation; runtime policy checks; Protocol-native governance; forensics-ready, signed logs.
Observability/audit Step traces and logs; reproducibility local; sparse metadata standards. Centralized tracing; schema’d events; owner-controlled audit trails with periodic reviews. Cross-domain provenance graphs; signed events; regulator-grade auditability for counterparties and authorities.
Learning/adaptation Reflective loops; retrieval tuning; occasional fine-tunes bound to one domain. Auto-curricula across roles; self-play, specialization, and diversity maintenance under one owner. Ecosystem learning via markets and reputation; policy evolution; emergent standards through selection pressure.
Topology Single node with star links to tools; minimal network concerns. Hub-and-spoke or hierarchical; limited peer-to-peer inside the org. Heterogeneous P2P/federated mesh; overlays across clouds/edges; locality-aware, policy-constrained routing.