LLM gateways and routers
Helicone
Open-source AI gateway and LLM observability platform. Applications route requests through its OpenAI-compatible gateway or provider-specific proxy URLs, and Helicone logs requests, cost and latency and handles provider routing and fallbacks.
- Pricing model
- Free tier and paid plans
- Free tier
- Yes
- Self-hostable
- Yes
- Open source
- Yes (Apache-2.0)
Helicone pricing
from $79.00 per month
Checked Nov 8, 2026 on the vendor's pricing page. Not monitored.
Current pricing → (opens in a new tab)Helicone works with 15 of the LLM providers we track
Each is documented in Helicone's own docs, shown with its lowest current rate from the prices we track, per 1M input tokens. Helicone may support providers we don't track; its documentation (opens in a new tab) has the full list.