Permanently free LLM APIs (no trial clock)

LLM APIs with models priced at $0 on an ongoing basis — no trial window counting down. Verified from a live dataset.

Providers with models that are free on a permanent basis (free_type: perpetual) — not a trial credit that runs out. Rate limits still apply; check each row.

5 of 68 tracked providers match.

ProviderTypeWhat's freeThe catchVerified
SiliconFlow
no cardphoneOpenAI-compat
OngoingChina platform (siliconflow.cn): several models permanently free at ¥0 (e.g. Qwen/Qwen2.5-7B-Instruct, tencent/Hunyuan-MT-7B, BAAI embeddings and rerankers). The international platform (siliconflow.com) lists no $0 LLMs and gives $1 in free credits insteadFree models live on the China platform and need real-name authentication to use all of them; accepted documents are a mainland ID card, HK/Macao or Taiwan travel permits, HK/Macao/Taiwan residence permits or a Chinese permanent-residence card for foreigners. Signup is by phone number; some virtual-carrier number ranges are blocked. 2026-10-08
Z.ai (Zhipu AI / GLM)
no cardno phonecommercial OKOpenAI-compat
OngoingGLM-4.5-Flash, GLM-4.7-Flash (text), and GLM-4.6V-Flash (vision) are officially listed as $0 cost (input, cached input, and output) on a permanent basisTerms of Use prohibit using Z.ai to "develop, train, or enhance any algorithms, models, or technologies that directly or indirectly compete with us" — otherwise general use, including commercial, isn't restricted 2026-10-08
OVHcloud AI Endpoints
no cardOpenAI-compat
OngoingSeven models are currently listed as Free: two Qwen3Guard moderation models, Stable Diffusion XL and four NVIDIA Riva TTS voices; access is available anonymously or with an API key tied to a Public Cloud projectEuropean provider (France), relevant for EU data-sovereignty/GDPR-conscious use. The authenticated tier needs a valid payment method on the project (though "Free" models themselves don't charge); anonymous access needs neither an account nor a card. A separate general $200 Public Cloud trial voucher also exists but is unrelated to this free-model tier 2026-10-08
AI Horde
no cardno phone
OngoingFree crowdsourced text & image generation; anonymous API key '0000000000' (no registration), or register to earn kudos for priorityCommunity-powered volunteer network — model availability and speed vary with worker supply, so it is not a fixed-SLA service. No card, no phone. Kudos never expire and cannot be sold. 2026-10-08
Typhoon (SCB 10X)
no cardno phonecommercial OKOpenAI-compat
OngoingFree to use research showcase API — all Typhoon models at $0By SCB 10X, the venture arm of Siam Commercial Bank, focused on Thai-language models. The free catalog spans LLMs (typhoon-v2.5-30b-a3b-instruct), OCR (typhoon-ocr family) and realtime Thai ASR (typhoon-asr-realtime, typhoon-isan-asr-realtime) — the hosted API is OpenAI-compatible, including audio transcriptions. Beta, provided as-is with no formal support; usage data is collected to improve the model; SCB claims no rights in outputs. Sign up for a free API key at opentyphoon.ai. 2026-10-08