Helicone is an AI Gateway and LLM Observability platform designed to help companies build, debug, and analyze their AI applications. It provides tools to route requests, identify and fix issues, and gain insights into application performance. Helicone aims to make AI development more reliable and efficient for fast-growing AI companies. The platform offers features like request monitoring, usage-based billing, caching, rate limits, automatic fallbacks, and data retention. It also includes advanced capabilities for prompts and testing, such as a playground, scores, and datasets. Helicone is built to scale with teams of all sizes, from individual developers to large enterprises, offering various plans with increasing features and support. Helicone is ideal for developers, teams, and enterprises working with AI applications who need robust tools for observability, performance optimization, and compliance. It helps users understand AI performance bottlenecks, save time on debugging, and ensure their AI products are reliable and scalable.

Available on: Web

Louis Corneloup Updated May 26, 2026 · how we evaluate Source helicone.ai ↗

Ratings Across the Web

4.5 (2 reviews)

Helicone holds an aggregate rating of 4.5 out of 5 from 2 reviews across G2, last checked September 5, 2026.

G2 2 reviews

4.5/5

Ratings aggregated from independent review platforms. Learn more

Key Features

LLM observability
Request logging
Cost tracking
Latency monitoring
Prompt management
Analytics

Pricing Plans

Pricing checked Oct 3, 2026

Helicone plans and prices, checked October 2026
Plan	Price	Details
Free	$0	Getting started 100k requests/month 7-day retention Basic analytics +1 more Show less Community support
Pro	$100/month	Production 10M requests/month 30-day retention Advanced analytics +1 more Show less Email support
Enterprise	Custom	Large scale Unlimited requests Custom retention SSO +1 more Show less Dedicated support

Calculate your cost View full pricing

Is Helicone worth the price?

Good value

Helicone's pricing is quite fair, offering a generous Free tier for initial exploration and a well-priced Pro tier at $100/month for significant production use.

The 10M requests/month for $100 is a strong value proposition for many AI applications. It's best for developers and small to medium-sized businesses building and scaling AI applications.

Hidden Costs & Gotchas

Potential overage fees if exceeding Pro tier limits

Full Helicone pricing: every plan, hidden costs and alternatives

How Helicone's pricing compares

At $100/mo, billing unit not specified, Helicone is the most premium of its 2 comparable direct competitors.

Arize AI

$50

Weights & Biases

$60

Helicone

$100

Entry paid plan, monthly. Pricing checked Oct 3, 2026.

Reviews

Improve Your Thinking Patterns Using ChatGPT cover

$99 Free with your review

Review Helicone, get a free AI guide

Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.

Write a review

Best Helicone Alternatives

Top alternatives based on features, pricing, and user needs.

View full list →

Anthropic API Paid

API access to Claude for building AI applications

4.6

Arize AI Freemium

The AI & Agent Engineering Platform for LLM observability, evaluation, and development.

4.3

Weights & Biases Freemium

Track, compare, and share ML experiments and models

4.6

OpenAI Platform Paid

API access to powerful AI models

3.7

LangSmith Freemium

Debug, monitor, and optimize your LLM applications and AI agents with comprehensive observability.

Humanloop Freemium

A development platform for building and evaluating LLM applications.

See all API tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

All Helicone alternatives 6+ tools ranked, pricing + verdict per pick Helicone vs Anthropic API Head-to-head: features, pricing, who wins Helicone vs Arize AI Head-to-head: features, pricing, who wins Helicone vs Weights & Biases Head-to-head: features, pricing, who wins

Explore More

Helicone FAQ

How does Helicone help improve the reliability of AI applications?

Helicone provides an AI Gateway and LLM Observability platform that allows users to debug, route, and analyze their AI applications. It offers features like request monitoring, automatic fallbacks, and rate limits to ensure applications perform consistently and reliably.

Which teams would benefit most from using Helicone?

Helicone is ideal for developers, teams, and enterprises working with AI applications who require robust tools for observability, performance optimization, and compliance. It helps these users understand AI performance bottlenecks and streamline debugging processes.

How is Helicone priced?

Helicone is available on a free tier, providing access to basic features and usage. For more extensive usage and advanced features, users can subscribe to various paid plans designed to scale with different team sizes and needs.

Can Helicone assist with managing costs associated with AI models?

Yes, Helicone includes cost tracking as one of its core strengths, helping users monitor and manage their expenditures related to AI model usage. This feature is part of its broader aim to provide insights into application performance and efficiency.

What kind of limitations should users be aware of when considering Helicone?

Helicone is a newer platform that is still maturing, which means it currently offers a more limited set of features compared to established tools. Users might also experience an initial integration effort, and its documentation is continuously improving.

How does Helicone compare to LangSmith for LLM observability?

Helicone focuses on providing an AI Gateway and LLM Observability platform with features like request logging, cost tracking, and automatic fallbacks. While LangSmith also offers LLM observability, Helicone emphasizes its fair pricing and comprehensive debugging and analysis tools for AI applications.

Does Helicone offer tools for testing and improving prompts?

Yes, Helicone includes advanced capabilities for prompts and testing within its platform. These features include a playground for experimentation, scoring mechanisms, and the ability to work with datasets to refine and optimize prompt performance.

Source: helicone.ai

Guides & Articles

Best AI Agent Observability Tools in 2026

Features Helicone

Best Prompt Management & PromptOps Tools 2026

Features Helicone

Best LLM Observability Tools in 2026

Features Helicone

The AI Agent Infrastructure Stack in 2026, Layer by Layer

What Is an LLM Gateway? The 2026 Guide to Model Traffic Done Right