Developers switch for better coding, longer context (200K vs 128K), and more transparent company. Gain: Claude 3.5 Sonnet excels at code, Claude often cheaper at scale. Trade-off: smaller ecosystem, fewer integrations.

Companies switch for Google Cloud integration and 1M+ context window. Gain: Gemini Advanced at $20/month includes Google One storage, better for Google Workspace users. Trade-off: perception of less capable than GPT-4.

Teams switch for cost control and privacy via self-hosting. Gain: free, no API costs, data stays on-premise, fine-tuning freedom. Trade-off: need infrastructure, less capable than GPT-4o, more ops work.

Users switch for better search/research experience. Gain: real-time web search, citations, research focus. Trade-off: not for coding/creation, different use case than ChatGPT.

European companies switch for EU-based alternative. Gain: competitive performance, better pricing, GDPR-friendly. Trade-off: smaller ecosystem, fewer features than OpenAI.