Promptfoo vs Lakera Guard
Agent-native side-by-side. Scores are curated estimates on a 0–10 scale. Lock-in: higher = worse. Prefer JTBD picks via /api/decide when choosing for a job.
| Dimension | Promptfoo | Lakera Guard |
|---|---|---|
| Overall | 8.4 | 8.2 |
| Capability fit | 8.2 | 8.8 |
| Price / performance | 9.2 | 7.8 |
| Latency / reliability | 7.8 | 8.4 |
| Developer & agent DX | 8.8 | 9.0 |
| Privacy / data retention | 9.0 | 8.8 |
| Lock-in risk (higher = worse) | 2.5 | 5.5 |
| Maturity / track record | 8.0 | 8.0 |
| Pricing | As of 2026-10-24 (promptfoo.dev/pricing, fetched 2026-10-24): Community 'Free Forever' ('Our open-source tool, perfect for individual developers and small teams.') with 'Red teaming (10k probes/month)' and 'Run locally o… | As of 2026-10-28 (platform.lakera.ai/pricing): Community $0 — 10k requests/mo, 8k-token prompt cap, SaaS EU residency, SOC2/GDPR. Enterprise sales-gated — flexible volume, configurable prompt size, SaaS or self-host, SSO… |
| Tagline | Default OSS eval harness. Braintrust when you want hosted collaboration; Promptfoo when you want local/CI… | Depot pick for a dedicated prompt-injection firewall in front of any LLM. NeMo when you need programmable… |
Promptfoo
Default OSS eval harness. Braintrust when you want hosted collaboration; Promptfoo when you want local/CI control. Strengths: OSS + CI-native; Red teaming built-in; Multi-provider comparisons.
Strengths
- OSS + CI-native
- Red teaming built-in
- Multi-provider comparisons
Weaknesses
- Less polished product UI than Braintrust
- Enterprise features gated
- You bring judge costs
Lakera Guard
Depot pick for a dedicated prompt-injection firewall in front of any LLM. NeMo when you need programmable rails; OpenAI Moderation for free taxonomy flags. Check Point acquisition is real — product still has a public API. Strengths: Purpose-built prompt-injection / jailbreak / leakage API with sub-50ms narrative; Real
Strengths
- Purpose-built prompt-injection / jailbreak / leakage API with sub-50ms narrative
- Real free Community tier for eval
- EU-native residency on the free plan
Weaknesses
- Paid SKU is sales-gated (no Pro list price)
- Post-Check Point packaging/quote path may slow indie procurement
- Not a full policy engine like NeMo Guardrails
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