xAI has no free API path in our catalog. Verified 2026-10-03. Our row: xAI / Grok API credits.
Free API paths in our catalog from other providers:
Gemini API free tier (AI Studio) (Google): Ongoing free tier (not a trial). Free of charge on Gemini 3.8 / 3.7 / 3.6 / 3.5 Flash, 3.5 Flash-Lite, 3.1 Flash-Lite, 3 Flash Preview, 3.1 Flash TTS Preview, the 3.5 audio models (Transcribe, Transcribe Live, Live Translate), AND Gemini 2.5 Pro and 2.5 Flash — plus Gemma 4 and Gemini Embedding 2 (text, image, audio and video input all free of charge). Exact per-project rate limits are shown in AI Studio. Verified 2026-09-16. Full caveats.
Workers AI free daily neurons (Cloudflare): 10,000 Neurons/day (~$0.11 of compute) at no charge, resetting 00:00 UTC — the same allocation on both the Workers Free and Workers Paid plans. Covers most of the catalog (Llama, DeepSeek distills, Gemma, Qwen, embeddings, image gen), but NOT all of it: see caveats. Verified 2026-10-06. Full caveats.
OVHcloud AI Endpoints anonymous tier (OVHcloud): Anonymous, unauthenticated inference against the AI Endpoints model catalogue at 2 requests per minute, per IP and per model — no API key, no account, no signup of any kind. Verbatim: "Anonymous: 2 requests per minute, per IP and per model.". Verified 2026-09-16. Full caveats.
Not affiliated with xAI or any provider named here; names are their owners' marks.