# PostHog vs Statsig (slim)

> Statsig scores 72.3 (BB) on agent readiness against PostHog's 68.4 (B), and leads in 2 of 7 scored categories. PostHog leads on agent ergonomics, security & auth, maintenance & community and transparency & trust. Both do analytics query. Category scores, facts, verdicts and…

- Full: https://www.anchorterminal.com/compare/posthog-vs-statsig.md (~2,300 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/posthog-vs-statsig.json · canonical https://www.anchorterminal.com/compare/posthog-vs-statsig
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Statsig scores 72.3 (BB) on agent readiness against PostHog's 68.4 (B), and leads in 2 of 7 scored categories. PostHog leads on agent ergonomics, security & auth, maintenance & community and transparency & trust. Both do analytics query.

- PostHog: B 68.4, rank #181 of 722 · https://www.anchorterminal.com/tools/posthog.min.md
- Statsig: BB 72.3, rank #94 of 722 · https://www.anchorterminal.com/tools/statsig.min.md
- PostHog, good for An agent that answers product questions in SQL or with funnel, retention and trends queries, and that manages feature flags, experiments and error tracking in the same project. Ahead on Agent ergonomics, 78 against 71; Security & auth, 84 against 74; Maintenance & community, 89 against 81; Transparency & trust, 83 against 75. Also Open source.
- Statsig, good for An agent that creates, updates and cleans up feature gates, dynamic configs and experiments, and reads experiment results and audit history. Ahead on Reliability, 79 against 74. Also Agent-ready, a grade of BB or better; No incidents deducted, where PostHog loses 7 points for them.

| Category | PostHog | Statsig |
| --- | --- | --- |
| Reliability (16%) | 74 | 79 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 81 | 82 |
| Agent ergonomics (13%) | 78 | 71 |
| Security & auth (14%) | 84 | 74 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 89 | 81 |
| Transparency & trust (7%) | 83 | 75 |

| Fact (where they differ) | PostHog | Statsig |
| --- | --- | --- |
| Vendor | PostHog Inc. | Amplitude, Inc. |
| Hosted endpoint | `https://us.posthog.com` | `https://api.statsig.com/v3/mcp` |
| Licence | MIT for the repository outside the `ee` directory, which has its own licence. PostHog Cloud is a hosted service under PostHog's terms | Proprietary hosted service under Statsig's self-service or enterprise terms. The SDKs and the agent skills repository on GitHub are ISC |
| Tools exposed | 1096 | 18 |
| Read-only variant documented | yes | no |
| MCP registry | `io.github.PostHog/mcp` | `com.statsig/statsig-mcp-server` |
| Last release | 2026-10-05 | 2026-09-28 |
| Terms last updated | 2026-06-29 | 2025-08-04 |
| Privacy policy last updated | 2026-06-29 | 2026-08-31 |
| Customer content may train models | yes, with an opt-out | not found in the text |
| Terms or service can change without notice | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 40k stars, 15.2M npm/wk | 4.2M npm/wk, 894k PyPI/wk |