CAIN-42 CAIN StudioHow CAIN-42 compares · Observability & evaluation
CAIN-42 vs AgentOps / W&B Weave
Developer tools for agent observability and evaluation: session replays, cost tracking, evals and monitoring (AgentOps, Weights & Biases Weave).
What AgentOps / W&B Weave does well
- Blueprints and session replays for agent debugging.
- Cost and latency tracking.
- Fast setup for developer teams.
What CAIN-42 does differently
- Enforces at the tool-call boundary, before anything runs.
- Orders authorization through a Byzantine quorum (3-of-4): one "yes" is never enough.
- Leaves a per-action signed receipt you can verify offline with a clean-room verifier.
- Authority continuity: a change to the model, tool, memory, skill or delegation forces a re-check.
- Self-serve from $19.75/mo; runs hosted, self-hosted or air-gapped.
Capability difference
| Capability | CAIN-42 | AgentOps / W&B Weave | Source (verified 2026-10-14) |
|---|---|---|---|
| Primary focus | Runtime governance in the execution path | Agent observability, replays and evals | AgentOps source page verified 2026-10-14 |
| Blocks the tool call at the boundary | Yes — MCPGate halts before the tool runs | No (observation) | |
| Byzantine-ordered authorization (quorum cert) | Yes — 3-of-4 PBFT quorum certificate | Not in scope | |
| Per-action signed receipt, offline-verifiable | Yes — Ed25519, hash-chained, offline-verifiable | Traces (not signed evidence) | |
| Active fail-closed enforcement | Yes | No (observability) | |
| Public entry price | $19.75/mo self-serve | Usage-based tiers |
When to pick which
Pick AgentOps or Weave to understand your agents. Pick CAIN-42 to govern their actions.
Based on each vendor's public homepage and product pages, last reviewed 2026-10-14. No affiliation and no claim about their internals. "No*" means we found no public documentation of that capability, not that the vendor cannot do it.