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OpenAI API Migration Guide: Navigating Proprietary Lock-in, Stateless Refactoring, and Production Gray Switching
As the Assistants API shuts down in 2026 and proprietary interfaces change rapidly, this guide explains how to migrate from stateful proprietary APIs to standard stateless Chat Completions, unify multi-model endpoints, and achieve zero-downtime production migration with shadow traffic and multi-key isolation.
Kimi API Integration and Migration Guide: From moonshot-v1 Retirement and K3/K2.7 Selection to Self-Owned Compute
As moonshot-v1 and kimi-k2.5 officially return 404, the Kimi model family has fully evolved to the 2.8T-parameter Kimi K3 and the K2.6/K2.7 Code series. This article covers the current Kimi API selection matrix, smooth migration from legacy versions, engineering considerations for 1M long context and multimodal calls, and how to achieve full performance with zero log retention and unified cross-model access via NexAIX's self-owned compute cluster.
How to Handle the GPT API Model Sunset Wave: Migration from Legacy Versions, Compliance Pitfalls, and Hybrid Calling of GPT-5.6 and gpt-oss
Against the backdrop of OpenAI密集下线 GPT-4o, GPT-4.1, and early GPT-5 snapshots in the second half of 2026, this article outlines the core pain points of migrating GPT API in production environments, explains how to avoid the risks of account pool relay services, and describes how to smoothly switch to GPT-5.6 official authorized channels and gpt-oss self-hosted open-source models via NexAIX's unified OpenAI-compatible endpoint.
What Code to Change When Switching LLM APIs: Three Must-Change Configs and Four Compatibility Checks
When staying on the OpenAI-compatible protocol, switching models usually requires changing only base_url, api_key, and model—but if your code uses length parameters, sampling parameters, streaming usage, tool calling, or structured outputs, verify each against the target model.
GLM-5.3 API Integration: Critical Parameters to Change and Migration Checklist
Learn the key parameter changes for GLM-5.3 API integration, including the breaking change of thinking.type='disabled', migration across three endpoints, and a verification checklist.
