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XI

One API for Claude, GPT, Gemini, and Grok at token-based rates

XiuRouter is an OpenAI-compatible API gateway for calling leading model providers through one endpoint. It lets developers compare group pricing, create API keys, and inspect usage from a web console.

Agenticness = how independently a tool can take action, scored across 9 dimensions. Scored independently by David Kooi, Skylark Creations — see full rubric → Last re-evaluated 24 August 2026.

See pricing ↓

API
Chrome Extension
B2B
For Developers
Usage-Based
Cloud Hosted
Model Agnostic
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About

What It Is

XiuRouter is a cloud-hosted API routing service for developers building with large language models. It provides one OpenAI-compatible endpoint for models from providers like Claude, GPT, Gemini, and Grok, with support for Chat Completions, Responses, Anthropic Messages, and Gemini GenerateContent.

What To Know

XiuRouter is more infrastructure than agent: it helps route and price API calls, but it does not itself autonomously complete tasks. The product is useful if you want model flexibility and per-token billing, but it depends on external model...

Key Features
OpenAI-compatible API endpoint
Supports Chat Completions and Responses APIs
Supports Anthropic Messages
Supports Gemini GenerateContent
Model and group price comparison per 1M tokens
Use Cases
Routing an application across Claude, GPT, Gemini, and Grok models through one API
Comparing token costs before sending requests to a provider
Tracking usage and spend by API key for an internal product
Agenticness: Guided Assistant

Executes tasks you assign, one step at a time, within narrow domains.

High evidence
Last evaluated: Aug 24, 2026

Dimension Breakdown

Action Capability
Autonomy
Planning
Adaptation
State & Memory
Reliability
Interoperability
Safety
Operator Sovereignty

Categories

Pricing
  • Usage-based: Pay by token using wallet top-ups; billing is based on the model, service-source group, and actual input/output/cache usage. XiuRouter states it can offer up to 90%+ savings on some models, but not all.
Details
AddedAugust 24, 2026
RefreshedAugust 24, 2026
Agenticness
Quick Facts
DeploymentCloud-hosted
AutonomyCopilot (human-in-loop)
Model supportMulti-model
Open sourceNo
Team supportIndividual only
Pricing modelUsage-based
Interfaceapi, gui, web
Sources
Last updated August 24, 2026
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