oliviscusAI lists free LLM APIs

- Oliver Prompts (oliviscusAI) shared a curated list of free LLM API options—pointing to GPT-5, Claude, Gemini access via providers like Groq and OpenRouter—for experimentation. - The list highlights zero- or low-cost endpoints developers can use to prototype AI gateways and multiplexer routing without immediate vendor spend. - These free endpoints lower the barrier to build and test model-routing logic and cost-aware fallbacks before committing to paid models. (x.com)