Free LLM APIs
LLM API providers that let you start for free, with how many LLMs each serves and the cheapest paid rate once you go past the free allowance. Free tiers change often and usually come with rate limits, so check the provider's terms before building on one.
Ranking 22 providers · updated October 4, 2026
| Provider | Free tier | LLMs | Paid from /1M input |
|---|---|---|---|
| OpenRouter | Yes (recurring) | 207 | $0.015 |
| DeepInfra | Yes (one-time credits) | 72 | $0.030 |
| Atlas Cloud | Yes (one-time credits) | 72 | $0.100 |
| Novita AI | Yes (one-time credits) | 69 | $0.020 |
| Alibaba Cloud | Free quota on select models | 48 | $0.030 |
| OpenAI | Yes (recurring) | 29 | $0.050 |
| Parasail | Free credits on signup | 28 | $0.030 |
| Nebius | 1 dollar in free credits to start | 19 | $0.060 |
| Cloudflare Workers AI | Yes (recurring) | 19 | $0.027 |
| AIMLAPI | Yes (one-time credits) | 19 | $0.390 |
| Token Harbor | Standing free monthly allowance on selected models (currently DeepSeek V4 Flash, DeepSeek V4.1 Flash, MiMo V2.5). | 18 | $0.140 |
| Together AI | Yes (one-time credits) | 18 | $0.090 |
| Amazon Bedrock | Up to $200 in AWS free tier credits for new accounts | 15 | $0.170 |
| SiliconFlow | Yes (recurring) | 14 | $0.130 |
| Zhipu AI | GLM-4.7-Flash and GLM-4.5-Flash are free | 13 | $0.150 |
| Yes (recurring) | 12 | $0.100 | |
| Fireworks AI | $1 in free credits | 10 | $0.150 |
| Friendli AI | Up to 50K inference credit for new users | 7 | $0.140 |
| Mistral AI | Yes (recurring) | 4 | $0.150 |
| Groq | Yes (recurring) | 4 | $0.075 |
| Cohere | Trial key with 1,000 API calls/month | 2 | $2.50 |
| Cerebras | Free tier with all models, no credit card required | 2 | $0.350 |