NVIDIA Build Free API: 100+ NIM Models, 40 RPM, Setup & Alternatives
NVIDIA Build is the most underrated free AI API platform. 100+ top models completely free, no credit card, no quota limits. Supports DeepSeek V3.2/R1, Kimi K2.5, GLM-5.1, MiniMax M2.7, Gemma 4, Nemotron-3-Super, Llama 4, Qwen 3.5 and more. OpenAI-compatible API, one key for all models. Direct access from mainland China, 40 RPM rate limit. Great for personal development, testing, and learning. Works with OpenRelay for IDE integration.
🎁 Free Tier
Daily Limit: Unlimited (40 RPM rate limit)
| Model | Context | Limit | Notes |
|---|---|---|---|
| MiniMax M2.7 | 128k | 40 RPM | 230B params, coding/reasoning/office all-rounder |
| Kimi K2.5 | 1000k | 40 RPM | Moonshot native multimodal agentic model, 15T tokens training, 1M context, top Chinese ability |
| GLM-5.1 | 128k | 40 RPM | Zhipu's latest flagship, GLM-5 upgrade, optimized for agentic coding/long-horizon reasoning. GLM-5 deprecated 2026-04-20 |
| DeepSeek V3.2 | 128k | 40 RPM | 671B MoE, coding champion |
| DeepSeek R1 | 64k | 40 RPM | 671B MoE, reasoning champion |
| Gemma 4 31B-IT | 128k | 40 RPM | Google's latest open source, strong agentic capability, runs on consumer hardware |
| Nemotron-3-Super-120B | 1000k | 40 RPM | NVIDIA's own flagship, hybrid Mamba-Transformer MoE, 1M context, 7.5x throughput vs Qwen3.5-122B |
| Llama 4 Maverick | 128k | 40 RPM | Meta's latest open source LLM |
| Qwen 3.5 | 128k | 40 RPM | Alibaba Qwen, native multimodal, 397B params with only 17B active, extremely efficient |
| Step 3.5 Flash | 128k | 40 RPM | StepFun, extremely fast |
🔑 Free API
Free Credits: 无限制（已取消额度限制）
Rate Limit: 40 RPM（可申请提升到 200 RPM）
Free permanent API key on signup, 100+ models all free. Previous credit limits removed (was 1000 for personal, 5000 for enterprise email). OpenAI-compatible API, base_url is https://integrate.api.nvidia.com/v1. Direct access from mainland China.