# Phaseo > Phaseo is an open-source AI gateway and model intelligence database for comparing AI models, providers, pricing, benchmarks, latency, throughput, and gateway support. ## Core product pages - [Models](https://phaseo.app/models): Browse AI models by provider, capability, modality, pricing, and gateway status. - [API Providers](https://phaseo.app/api-providers): Compare providers by model coverage, modality support, and usage signals. - [Rankings](https://phaseo.app/rankings): Usage, latency, throughput, and cost rankings across tracked models. - [Pricing](https://phaseo.app/pricing): Gateway pricing, credit fees, and cost guidance. - [Docs](https://phaseo.app/docs/v1): Developer documentation for the gateway and API. - [Docs LLM index](https://phaseo.app/llms.txt): Documentation index for AI tools and answer engines. ## Data and methodology - [Pricing calculator](https://phaseo.app/tools/pricing-calculator) - [Model database](https://phaseo.app/models) - [Provider database](https://phaseo.app/api-providers) - [Benchmarks](https://phaseo.app/benchmarks) - [Methodology hub](https://phaseo.app/methodology) - [How Phaseo calculates model pricing](https://phaseo.app/how-phaseo-calculates-model-pricing) - [How Phaseo measures latency and throughput](https://phaseo.app/how-phaseo-measures-latency-throughput) - [How Phaseo normalises AI benchmarks](https://phaseo.app/how-phaseo-normalises-ai-benchmarks) - [How Phaseo tracks provider availability](https://phaseo.app/how-phaseo-tracks-provider-availability) ## API - [Quickstart](https://phaseo.app/docs/v1/quickstart) - [API reference](https://phaseo.app/docs/v1/api-reference/introduction)