> ## Documentation Index
> Fetch the complete documentation index at: https://portkey-docs-chore-v2-11-2.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Open Source

## [Portkey AI Gateway](https://github.com/portkey-ai/rubeus)

We have open sourced our battle-tested AI Gateway to the community - it connects to 250+ LLMs with a unified interface and a single endpoint, and lets you effortlessly setup fallbacks, load balancing, retries, and more.

This gateway is in production at Portkey processing billions of tokens every day.

#### [Contribute here](https://github.com/portkey-ai/rubeus).

***

## [Portkey Models](https://github.com/Portkey-AI/models)

Open-source pricing database for **2,300+ LLMs** across **35+ providers**. Powers cost tracking across the Portkey ecosystem.

* **[UI Explorer](https://portkey.ai/models)** — Browse and search all models
* **[Model Rankings](https://portkey.ai/rankings)** — Top models by usage on Portkey

<Card horizontal title="API Documentation" href="/product/model-catalog/portkey-models" />

***

## [AI Grants Finder](https://grantsfinder.portkey.ai/)

Community resource for AI builders to find `GPU credits`, `grants`, `AI accelerators`, or `investments` - all in a single place. Continuously updated, and sometimes also featuring [exclusive deals](https://twitter.com/PortkeyAI/status/1692463628514156859).

Access the data [here](https://airtable.com/appUjtBcdLQIgusqW/shrAU1e4M5twTmRal).

***

## [Gateway Reports](https://portkey.ai/blog/tag/benchmarks/)

We collaborate with the community to dive deep into how the LLMs & their inference providers are performing at scale, and publish gateway reports. We track latencies, uptime, cost changes, fluctuations across various modalitites like time-of-day, regions, token-lengths, and more.

#### [2025 AI Infrastructure Benchmark Report](https://portkey.ai/llms-in-prod-25)

<Frame>
  <img src="https://mintcdn.com/portkey-docs-chore-v2-11-2/5KgosMN1NrT3WKuR/images/product/report.png?fit=max&auto=format&n=5KgosMN1NrT3WKuR&q=85&s=625aab2cb16b0ba8bab96624a3a88aff" width="1920" height="1080" data-path="images/product/report.png" />
</Frame>

Insights from analyzing 2 trillion+ tokens, across 90+ regions and 650+ teams in production. The report contains:

* Trends shaping AI adoption and LLM provider growth.
* Benchmarks to optimize speed, cost and reliability.
* Strategies to scale production-grade AI systems.

<Card horizontal title="The report is available here" href="https://portkey.ai/llms-in-prod-25" />

***

#### [GPT-4 is getting faster](https://portkey.ai/blog/gpt-4-is-getting-faster/)

<Frame>
  <img src="https://mintcdn.com/portkey-docs-chore-v2-11-2/Lnf9gg5WC6j6k7d6/images/guardrails/g13.avif?fit=max&auto=format&n=Lnf9gg5WC6j6k7d6&q=85&s=595ab7a5ea85aa7472b9ccd0b9fd3d20" width="2000" height="1000" data-path="images/guardrails/g13.avif" />
</Frame>

***

## Collaborations

Portkey supports various open source projects with additional production capabilities through its custom integrations.

<Card horizontal title="Check out our expanding ecosystem of integrations" href="/integrations/ecosystem" />