AI Observability & Evals Software Pricing 2026
Compare pricing for 6 ai observability & evals tools. Find the right software for your budget.
AI Observability & Evals software pricing ranges from $0 to $2499 per user/month in 2026. The typical cost is around $103/user/month across 6 popular tools. Top picks: Arize Phoenix (Free–$1K/user/mo), Braintrust (Free–$1K/user/mo), Helicone (Free–$2K/user/mo), and 3 more. 6 of 6 tools offer free tiers for small teams or limited use.
All AI Observability & Evals Tools
Compare all side-by-side →
Arize Phoenix
Free–$1K/month
Braintrust
Free–$1K/monthHelicone
Free–$2K/month
Humanloop
Free–Free/custom
Langfuse
Free–$2.5K/month
LangSmith
Free–$500/seat/month + per traceAI Observability & Evals Comparisons
Cost Analysis Tools
AI Observability & Evals Pricing FAQ
01 How much does AI Observability & Evals software cost?
AI Observability & Evals software ranges from $0 to $2499 per user/month. The median price across 6 tools is $103/user/month.
02 What are the most popular AI Observability & Evals tools?
Popular AI Observability & Evals tools include Arize Phoenix ($0–$1000/month), Braintrust ($0–$1000/month), Helicone ($0–$2000/month). CostBench tracks pricing for 6 ai observability & evals products with verified tier data.
03 Is there free AI Observability & Evals software?
Yes, 6 of 6 ai observability & evals tools offer free tiers. Options with free plans include Arize Phoenix, Braintrust, Helicone.
04 How do I choose the right AI Observability & Evals software?
Compare pricing tiers, included features, and hidden costs across 6 ai observability & evals tools on CostBench. Key factors include per-user pricing, contract terms, and whether a free tier meets your needs.