Helicone vs Portkey

Side-by-side from the Top 11 rankings of 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked and The 11 Best Prompt Engineering & Prompt Management Tools (2026). Last verified May 31, 2026.

The short answer

Portkey ranks higher on Top 11 (#6 vs #6) for AI/ML engineers debugging production LLM apps / AI engineers managing and versioning production prompts. Combines a robust AI gateway with solid prompt management tools.

At a glance

HeliconePortkey
Top 11 rank#6 / 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked#6 / The 11 Best Prompt Engineering & Prompt Management Tools (2026)
Score (out of 9.4)8.28.2
Best forSimple, developer-first API monitoringAI gateway and prompt management
Pricing$ ($40 to $200/mo)$$ ($100 to $1,000+/mo)
HQSan Francisco, USABengaluru, India
Founded20222023

Helicone

A simple, elegant API proxy for LLM logging, caching, and analytics with near-zero setup friction.

www.helicone.ai/

See full entry in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked

Portkey

Combines a robust AI gateway with solid prompt management tools.

portkey.ai/

See full entry in The 11 Best Prompt Engineering & Prompt Management Tools (2026)

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.