head to head · open source
PageIndex vs Helicone
PageIndex has 39,973 GitHub stars, 3,442 forks, 103 open issues and last shipped 2 days ago. Helicone has 6,259 stars, 702 forks, 156 open issues and last shipped 8 days ago. PageIndex leads on adoption by 539% (39,973 vs 6,259 stars). PageIndex is written in Python under MIT; Helicone is written in TypeScript under Apache-2.0. PageIndex has attracted 9% as many forks as stars, Helicone 11%. PageIndex was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| PageIndex | Helicone | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 6.3K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-03 | 2026-10-28 |
| Forks | ⑂ 3.4K | ⑂ 702 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick PageIndex if
- You weight community size — 40K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Helicone if
- You want the Helicone feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Helicone fits your workflow better
About PageIndex
PageIndex: Vectorless, Reasoning based RAG Reasoning based RAG ◦ No Vector DB, No Chunking ◦ Context Aware Retrieval ◦ Reads Like a Human 🌐 Website • ☁️ Cloud • 📖 Docs • 📝 Blog • ✉️ Contact Updates [Aug '26] 🔥 PageIndex SDK : pip install U pageindex now ships local mode : index, retrieve, and chat entirely on your machine with your own LLM key, or point the same client at PageIndex Cloud with an API key. [Aug '26] ⚡ PageIndex Flash : fast tree index generation for text based PDFs, now the default indexing method in PageIndex SDK local mode. Scale PageIndex to Millions of Documents: PageIndex File System is a…
read the full PageIndex overview →
About Helicone
Docs • Changelog • Bug reports • See Helicone in Action! (Free) Helicone is an AI Gateway & LLM Observability Platform for AI Engineers 🌐 AI Gateway : Access 100+ AI models with 1 API key through the OpenAI API with intelligent routing and automatic fallbacks. Get started in 2 minutes. 🔌 Quick integration : One line of code to log all your requests from OpenAI, Anthropic, LangChain, Gemini, Vercel AI SDK, and more. 📊 Observe : Inspect and debug traces & sessions for agents, chatbots, document processing pipelines, and more 📈 Analyze : Track metrics like cost, latency, quality, and more. Export to PostHog in…
read the full Helicone overview →
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Frequently asked questions
Is PageIndex or Helicone more popular?
PageIndex has 39,973 GitHub stars and Helicone has 6,259. PageIndex has the larger community by that measure.
Are PageIndex and Helicone free?
Both are open source. PageIndex is licensed under MIT and Helicone under Apache-2.0. Neither carries a licence fee.
What is the difference between PageIndex and Helicone?
PageIndex is written in Python and Helicone in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, PageIndex or Helicone?
Choose PageIndex if you want the larger community (39,973 stars) or its MIT licence terms. Choose Helicone if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.