Every API in this list can be signed up for with just an email address. No payment details needed, ever.
42 providers in this collection
Browse all APIs →Fastest LLM inference in the world. The free tier is real.
One API, 100+ models. Pay-as-you-go with no markup.
Open-weights frontier model. Industry-low pricing.
Fastest image and video inference. Generous free credits.
Open-source models at scale. $5 free credits.
Best-in-class speech-to-text. $200 free credits.
Run 100,000+ open models. $0.10/month serverless free.
European frontier models. Open weights + cheap API.
Run any open-source model. $5 free credits.
Most realistic AI voices. 10k characters/month free.
Best-in-class embeddings + Reader API. 1M tokens free.
Blazing fast OSS inference. $1 free credits.
Top-quality embeddings. 50M tokens free for 3 months.
Production-grade ASR + LLMs. $50 free credits.
Beautiful image gen with fine control. 150 tokens/day free.
Search-augmented answers. Sonar API for developers.
Stable Diffusion 3.5 via API. 25 credits free.
Serverless GPU compute. $30 free monthly.
Cheap OpenAI-compatible. $0.20 free credits.
Enterprise-grade LLMs + RAG. 1k req/month free.
Gemini Flash free forever. 1M context. 1500 req/day.
2,000+ tokens/sec on Llama 70B. Free tier available.
RDU-powered inference. Llama 405B for free.
AI at the edge. 10k neurons/day free forever.
Jamba SSM model. 10k req/month free.
100+ curated AI models. $25 free credits.
100+ models. $0.50 free credits, no card.
Solar model + Document AI. $10 free credits.
Open-source embeddings. 1M tokens free.
Ultra-realistic TTS. 12,500 chars/month free.
100k characters/month free TTS. 100+ voices.
Real-time STT with speaker diarization. $10 free credits.
AI video generation. 125 credits free on signup.
Dream Machine video API. Free tier available.
Search API built for AI agents. 1,000 req/month free.
Serverless AI inference. $10 free credits.
Free unlimited Llama 3 405B access. No card ever.
Cloud GPU inference + compute. $10 free credits.
High-performance embeddings + reranking. Free tier.
Palmyra enterprise LLM. Free API tier.
Grok-3 with live X/Twitter data. Free trial.
Open-access AI cloud. Free tier, 60 req/min. Qwen3 235B free.