Technology

OpenAI/Anthropic/Google/OpenRouter APIs

Access the industry's leading LLMs through a unified, high-performance interface.

Standardize your AI stack with a single integration point for OpenAI, Anthropic, and Google. OpenRouter provides a high-availability gateway to models like GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5 Pro via an OpenAI-compatible API (base_url: https://openrouter.ai/api/v1). This setup eliminates provider lock-in and simplifies key management while offering competitive pricing and automatic fallbacks. Whether you are scaling production traffic or benchmarking the latest frontier models, these APIs deliver the low-latency inference and structured output capabilities required for modern agentic workflows.

https://openrouter.ai/docs

What builders pair with OpenAI/Anthropic/Google/OpenRouter APIs

Projects using both technologies. Select a pairing to see a project.

Built with OpenAI/Anthropic/Google/OpenRouter APIs

Anthropic API 1 shared project asyncio 1 shared project Hugging Face 1 shared project LoRA/GRPO (fine-tuning from execution traces) 1 shared project OpenAI API 1 shared project Playwright 1 shared project

2 more pairings

Python 1 shared project vLLM 1 shared project

Pairing: Anthropic API

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MARSYS: Multi-Agent Workflows Without the Plumbing

Lausanne · April 30, 2026

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MARSYS: Multi-Agent Workflows Without the Plumbing

Lausanne Apr 30

Python OpenAI API