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Helicone

Helicone is an open-source platform for logging, monitoring, and debugging LLMs. It provides essential tools for developers to improve their LLMs, including request filtering, instant analytics, and prompt management.

FreePricing checked: Sep 20, 2026
Large Language Models (LLMs)Monitor & Log ManagementAI Developer Tools
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Best for

Users seeking large language models (llms) solutions for their creative or business workflows.

Things to know

Usage limits, quotas, and premium capabilities are determined by the provider.

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About this tool

Overview

Request Filtering

Filter, segment, and analyze your requests with Helicone's powerful filtering capabilities.

Instant Analytics

Get detailed metrics such as latency, cost, and time to first token with Helicone's instant analytics.

Prompt Management

Access features such as prompt versioning, prompt testing, and prompt templates with Helicone's prompt management.

99.99% Uptime

Helicone leverages Cloudflare Workers to maintain low latency and high reliability, ensuring 99.99% uptime.

Get started

  1. Open the official website and confirm the service is available in your region.
  2. Check the current plan, usage limits and terms for your intended use.
  3. Try a small task with sample data before committing to a paid plan.

Editorial note

Pricing checked: Sep 20, 2026.

Record updated: Sep 20, 2026

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