Compare All AI Evaluation & Guardrails Software 2026
Side-by-side comparison of 12 ai evaluation & guardrails tools. Find the right fit for your team and budget.
Quick Answer
AI Evaluation & Guardrails software billed monthly typically runs Free to $500 per month in 2026. The average across 8 tools is $41 per month. 11 of 12 tools offer free tiers.
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Full Comparison Matrix
| Product | Starting Price | Popular Tier | Enterprise | Free Tier | Best For |
|---|---|---|---|---|---|
| Evals (OpenAI) | Free /month | $4 /month | $4 /month | Yes | - |
| LangWatch | Free /month | $17 /month | $34 /month | Yes | Free tier for getting started |
| Confident AI | Free /month | $19.99 /month | $49.99 /month | Yes | - |
| DeepEval (Confident AI) | Free /month | $25.00 /month | $49.99 /month | Yes | Developer CI/CD |
| PromptLayer | Free /month | $49 /month | $500 /month | Yes | Hackers and individual developers |
| Phoenix (Arize) | Free /month | $50 /month | $50 /month | Yes | - |
| Arthur AI | Free /mo | $60 /mo | $60 /mo | Yes | - |
| Galileo LLM Studio | Free /month | $100 /month | $100 /month | Yes | - |
Category Summary
12
Products
$41
Avg /mo (8 tools)
11
Free Tiers