AIClient-2-API

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AIClient-2-API is a Backend & APIs tool that simulates client requests for various large language models, compatible with the OpenAI API. It supports thousands of Gemini model requests daily and offers free use of the built-in Claude model in Kiro.

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At a glance

Pricing

Open Source · Free

Free tier

Yes

API

Yes

Skill level

Technical

About

What is AIClient-2-API?

AIClient-2-API is a powerful API proxy service designed to unify and simulate requests for various client-only large language models, including Gemini CLI, Antigravity, Codex, Grok, and Kiro. It encapsulates these into a local OpenAI-compatible interface, allowing any application to connect easily. Built on Node.js, it intelligently converts between OpenAI, Claude, and Gemini protocols, enabling tools like Cherry-Studio and NextChat to utilize advanced models such as Claude Opus 4.5 and Gemini 3.0 Pro at scale. The project features a modular architecture with account pool management, intelligent polling, automatic failover, and health checks, ensuring high service availability. It also offers a Web UI management console for real-time configuration and monitoring.

Best used for

Ideal for developers who need to unify access to various large language models through a single OpenAI-compatible API, bypass official rate limits, and manage multiple accounts efficiently. Especially valuable for those looking to integrate advanced models like Claude Opus 4.5 and Gemini 3.0 Pro into their applications with reduced costs and high availability.

Common actions

integrate AI models

manage API requests

bypass API restrictions

develop AI applications

github copilotface swapping"AI Agents"collaborationworkflowsopen-sourcedeepfakeautomated workflowlow-code/no-code

Capabilities

Key features

Simulate Gemini, Grok, Kiro requests
OpenAI API compatibility
Multi-protocol intelligent conversion
Account pool management
Automatic failover
TLS fingerprint bypass
Web UI management console

Target Audience

developer

Integrations

Not yet documented

Pricing & Plans

Open Source · Free

Free

FAQs

What large language models does AIClient-2-API support?

AIClient-2-API supports simulating client requests for Gemini CLI, Antigravity, Codex, Grok, and Kiro. It also offers intelligent conversion between OpenAI, Claude, and Gemini protocols, allowing access to models like Claude Opus 4.5 and Gemini 3.0 Pro.

How does AIClient-2-API help bypass official API restrictions?

The tool utilizes an OAuth authorization mechanism to effectively bypass rate and quota limits of services like Gemini and Antigravity. It also includes a built-in TLS Sidecar (Go uTLS) to simulate browser features, helping to bypass Cloudflare 403 blocks for services such as Grok.

Is there a free option for using advanced models with AIClient-2-API?

Yes, AIClient-2-API allows users to access and utilize Claude Opus 4.5 for free via Kiro API mode. This helps in reducing usage costs for advanced models, making AI development more accessible and efficient.

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AI Agents & Automation › AI Frameworks & Infra

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