The agentic analyst for your agents. Your observability tool only tells you what happened. TwoTail figures out why, and what you should change.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Denmark
EU
Helicone Alternatives
Apps similar to Helicone include AcruxCore, which is free and open source. Other options are RapidClaw, Langfuse, AI Security Gateway and Spanlens. You can choose from more than 10 Large Language Model (LLM) Tools like Helicone for the web, self-hosting, Mac, Windows and Linux.
Alternatives list
FutureAGI is an open-source, end-to-end AI agent engineering platform built for teams shipping production AI agents. It covers the full lifecycle: simulate edge cases before launch, evaluate every agent decision and trace, catch hallucinations in real time, auto-optimize, and...
Cost / License
- Freemium
- Open Source (Apache-2.0)
Platforms
- Online
- Software as a Service (SaaS)
- Self-Hosted
- Docker
United States
Corrath is an AI security gateway built for developers and organizations building with Large Language Models.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
India
LLMCap is a reverse proxy that enforces real-time, dollar-based spending caps on LLM API calls. When you hit your cap, the next request returns 429 — the token is never consumed and money is never spent.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
Canada
Netra is the reliability platform for AI agents to observe, evaluate, simulate, and continuously improve every decision your agents make, so you can ship with confidence and catch regressions before your users do.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- United States
+2
Spendline is the AI spend control layer: per-customer LLM cost attribution, budget enforcement, and a finance-grade month close.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Online
- Software as a Service (SaaS)
- United States
Your AI bill is growing — but which customers, features, and pricing tiers are driving it? Most dashboards show totals. Totals don't help you decide who to charge more, what to gate, or where to cut.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- India
Know the tab before you build. PromptSpend estimates, compares, and explains what an AI feature will cost — from a pricing catalog that re-checks itself every morning against vendor sources, so the numbers are never a year out of date. Free, open source, no accounts, no tracking.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Online
- Software as a Service (SaaS)
- United States
Unified gateway centralizing LLM traffic routing, observability, centralized evaluations, prompt versioning, synchronized tracing, and spend controls. Streamlines diagnosis, debugging, and iteration for AI agents across dashboards, fitting solo builders and large teams handling complex workflows.
Cost / License
- Free
- Proprietary
Platforms
- Online
- United States
+1
