
GPT-4 to Self-Hosted Llama 4 Migration Guide
Switch from OpenAI's GPT-4 API to self-hosted Llama 4 with near-zero code changes, but plan carefully for hardware, EU licensing, and real context window limits.

Switch from OpenAI's GPT-4 API to self-hosted Llama 4 with near-zero code changes, but plan carefully for hardware, EU licensing, and real context window limits.

OpenAI released GPT-5.4 mini and nano on March 17, bringing near-flagship performance at 70% and 92% lower cost respectively.

Google's Gemini 3.1 Flash-Lite delivers frontier-class benchmarks at a fraction of the cost of Pro - but a sluggish first-token response and preview-only status mean it's not for every workload.
![FLUX.2 [max]](https://awesomeagents.ai/images/models/flux-2-max_hu_c51afbf082a591e5.jpg)
Black Forest Labs' top-tier image model - highest quality, best prompt adherence, grounded generation with web context, and professional-grade editing consistency at $0.07 per megapixel.
![FLUX.2 [flex]](https://awesomeagents.ai/images/models/flux-2-flex_hu_7f5a1bc9621218c0.jpg)
Black Forest Labs' developer-controlled image model with adjustable steps and guidance - maximum precision for typography, UI mockups, and detail-critical workflows.
![FLUX.2 [pro]](https://awesomeagents.ai/images/models/flux-2-pro_hu_2b6a584fe281c164.jpg)
Black Forest Labs' production-grade image generation API - state-of-the-art quality at affordable pricing, optimized for commercial workflows with 4MP output.