Datadog vs Helicone

Datadog

Helicone

Datadog · 19 features

• APM — Distributed tracing + service catalog + code hotspots.
• Application Security — Runtime attack detection, threat intelligence, IAST.
• CI Visibility — Test + pipeline performance analytics.
• Cloud SIEM — Security events correlation, detection rules, audit trails.
• Continuous Profiler — Always-on CPU, memory, lock profiling in production.
• Dashboards — Pre-built + custom dashboards.
• Database Monitoring — Slow query detection for Postgres, MySQL, Mongo, Oracle, SQL Server.
• Incident Management — Built-in incident response with postmortems.
• Infrastructure Monitoring — Host, container, k8s metrics. 700+ integrations. Live process + container maps.
• LLM Observability — OpenAI, Anthropic, etc. trace + cost + prompt eval.
• Log Management — Ingest any logs, structured or raw. Pipelines, parsing, archives to S3.
• Monitors — Anomaly, forecast, outlier, composite monitors.
• Network Performance Monitoring — Packet-level analysis, flow monitoring.
• Notebooks — Runbook-style dashboards with queries + docs.
• Real User Monitoring — Frontend performance, JS errors, user sessions, Core Web Vitals.
• Serverless Monitoring — AWS Lambda, Google Cloud Functions, Azure Functions observability.
• Service Catalog — Service inventory with ownership + documentation.
• Synthetics — Synthetic HTTP + browser tests, API tests, mobile tests.
• Workflow Automation — No-code workflows triggered by events.

Helicone · 16 features

• Alerts — Thresholds on error rate, latency, cost, usage. Pro+.
• Async Logging — Log AFTER the LLM call via SDK — zero added latency.
• Cost Tracking — Automatic cost calculation per call by provider/model.
• Dashboard — Request tables, aggregate metrics, cost breakdowns.
• Evaluators — LLM-as-judge + custom evaluators on runs.
• Experiments — A/B test different models/prompts.
• HQL (SQL over traces) — Query your logged data with SQL. Pro+.
• PII Redaction — Automatically scrub emails, credit cards, etc. from logs.
• Prompt Caching — Cache identical requests → save money.
• Prompts & Versions — Store + version + A/B test prompts.
• Proxy Mode — 1-line integration via base URL swap. Captures all requests.
• Rate Limiting — Per-user + per-key rate limit policies.
• Reports — Scheduled email reports with KPIs.
• Self-Hosting — Docker + k8s deployment.
• Sessions — Group related calls (chat sessions, agent runs).
• User Metrics — Per-user cost + usage segmentation.