Switch LLMs with one line of code using OpenAI-compatible gateways

A new method allows developers to switch between different large language models (LLMs) by altering a single line of code, specifically the base URL in their OpenAI SDK. This approach, demonstrated using Flatkey as an OpenAI-compatible gateway, enables seamless integration with models from providers like Anthropic (Claude), Grok, Gemini, DeepSeek, and Kimi without requiring code rewrites. The technique maintains compatibility with existing SDK functionalities such as chat completions, streaming, and tool usage, simplifying the process of adopting new or improved LLMs as they become available. AI

IMPACT Simplifies LLM integration, allowing developers to easily switch between models without code rewrites.

RANK_REASON The item describes a technical method for integrating LLMs, not a new model release or significant industry event.

Read on dev.to — LLM tag →

• Claude
• Claude Opus 4.5
• curl
• DeepSeek
• DeepSeek-V3
• Flatkey
• Gemini
• GPT-5 mini
• Grok
• Kimi K2.6
• Node.js
• OpenAI
• Python

• product
• infra

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