Helicone
Open-source LLM monitoring proxy for logging, costs, and analytics.
About Helicone
Helicone is an open-source LLM observability platform that acts as a proxy between your app and LLM providers. It logs all requests, tracks costs, and provides analytics with zero-latency overhead, supporting OpenAI, Anthropic, and custom models.
Key Features
💰 Pricing
Free for up to 10,000 requests/month; paid from $20/month
Frequently Asked Questions
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📊 Comparison vs Alternatives
| Feature | ||||
|---|---|---|---|---|
| Pricing | Freemium | Freemium | Freemium | Freemium |
| Rating | ⭐ 4.3 | ⭐ 4.8 | ⭐ 4.8 | ⭐ 4.6 |
| Free Tier | ✅ | ✅ | ✅ | ✅ |
| Popularity | 68% | 100% | 94% | 92% |
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