APIs de IA Gratuitas — Sin Tarjeta de Crédito

AMD Radeon Cloud

MiniCPM 5 1B

Ultra-fast 1B parameter on-device language model served with high throughput on AMD GPU Cloud.

AMD Radeon Cloud

Qwen 3.8 Flash Next

AMD Radeon Cloud high-speed endpoint for Qwen 3.8 Flash Next with 256K context.

AMD Radeon Cloud

DeepSeek V4 Flash Vision (Exp)

Official AMD endpoint for DeepSeek V4 Flash Vision (Exp) multimodal reasoning with 1M context.

AMD Radeon Cloud

DeepSeek V4 Flash

AMD Radeon Cloud Token Factory free API for DeepSeek V4 Flash with 1M context and dual OpenAI/Anthropic protocol support.

Vercel AI Gateway

DeepSeek V4 Flash

Access deepseek-v4-flash free through Vercel's $5 monthly credit.

NVIDIA NIM

GPT-OSS 20b

OpenAI's fast 20B open-weights model on NVIDIA NIM for code and agent loops.

NVIDIA NIM

GPT-OSS 120b

OpenAI's 120B open-weights model hosted on NVIDIA NIM with 1M context.

NVIDIA NIM

DeepSeek V4 Flash

DeepSeek V4 Flash 284B MoE (0731 release) on NVIDIA NIM — ultra-fast coding & tool calling with 1M context.

NVIDIA NIM

DeepSeek V4 Pro

DeepSeek V4 Pro 1.65T MoE flagship (0813 release) via NVIDIA NIM — 1M context, 1,000 free credits.

GMI Cloud

MiniMax M3

MiniMax M3 1M context coding flagship via GMI Cloud — 0-cost direct API access.

DeepSeek

DeepSeek V4 Pro

DeepSeek official V4 Pro API with free registration token grants, Context Caching, and direct OpenAI SDK compatibility.

Higgsfield

Seedance 2.0

ByteDance Seedance 2.0 HD video generation via Higgsfield platform.

Higgsfield

Seedance 2.5

ByteDance Seedance 2.5 cinematic video generation via Higgsfield unlimited free promotion.

OpenCode Zen

North Mini Code

North Mini Code compact coding specialist model free via OpenCode Zen.

OpenCode Zen

Ling 3.0 Flash

Ling 3.0 Flash ultra-low latency text generation model free via OpenCode Zen.

OpenCode Zen

Laguna S 2.1

Laguna S 2.1 lightweight agent router model free via OpenCode Zen.

OpenCode Zen

MiMo 2.5

Xiaomi MiMo 2.5 multimodal foundation model free via OpenCode Zen gateway.

OpenCode Zen

Big Pickle

OpenCode's stealth high-throughput reasoning model available free during developer preview.

OpenCode Zen

Muse Spark 1.2

Meta Muse Spark 1.2 free coding agent model via OpenCode Zen with $0/M tokens promotion.

Cloudflare Workers AI

Whisper Tiny EN

Free Whisper Tiny EN API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Whisper Large V3 Turbo

Free Whisper Large V3 Turbo API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Whisper

Free Whisper API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Stable Diffusion XL Lightning

Free Stable Diffusion XL Lightning API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Stable Diffusion XL Base 1.0

Free Stable Diffusion XL Base 1.0 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Stable Diffusion V1 5 Inpainting

Free Stable Diffusion V1 5 Inpainting API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Stable Diffusion V1 5 Img2img

Free Stable Diffusion V1 5 Img2img API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Smart Turn V2

Free Smart Turn V2 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

ResNet 50

Free ResNet 50 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

QwQ 32b

Free QwQ 32b API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Qwen3 Embedding 0.6b

Free Qwen3 Embedding 0.6b API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Qwen3 30b A3b FP8

Free Qwen3 30b A3b FP8 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Qwen2.5 Coder 32b Instruct

Free Qwen2.5 Coder 32b Instruct API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

PLaMo Embedding 1b

Free PLaMo Embedding 1b API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Phoenix 1.0

Free Phoenix 1.0 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Nova 3

Free Nova 3 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Moondream3.1 9B A2B

Free Moondream3.1 9B A2B API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Mistral Small 3.1 24b Instruct

Free Mistral Small 3.1 24b Instruct API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Mistral 7b Instruct V0.2 LoRA

Free Mistral 7b Instruct V0.2 LoRA API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Melotts

Free Melotts API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

M2M-100 1.2b

Free M2M-100 1.2b API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Lucid Origin

Free Lucid Origin API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llava 1.5 7b HF

Free Llava 1.5 7b HF API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama Guard 3 8b

Free Llama Guard 3 8b API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama 4 Scout 17b 16e Instruct

Free Llama 4 Scout 17b 16e Instruct API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama 3.3 70b Instruct FP8 Fast

Free Llama 3.3 70b Instruct FP8 Fast API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama 3.2 3b Instruct

Free Llama 3.2 3b Instruct API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama 3.2 1b Instruct

Free Llama 3.2 1b Instruct API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama 3.2 11b Vision Instruct

Free Llama 3.2 11b Vision Instruct API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama 3.1 8b Instruct FP8

Free Llama 3.1 8b Instruct FP8 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama 3.1 8b Instruct Fast

Free Llama 3.1 8b Instruct Fast API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Llama 2 7b Chat HF LoRA

Free Llama 2 7b Chat HF LoRA API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

IndicTrans2 EN Indic 1B

Free IndicTrans2 EN Indic 1B API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Granite 4.0 H Micro

Free Granite 4.0 H Micro API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Gemma Sea Lion V4 27b It

Free Gemma Sea Lion V4 27b It API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Gemma 7b It LoRA

Free Gemma 7b It LoRA API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Gemma 2b It LoRA

Free Gemma 2b It LoRA API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

FLUX 2 Klein 9b

Free FLUX 2 Klein 9b API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

FLUX 2 Klein 4b

Free FLUX 2 Klein 4b API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

FLUX 2 Dev

Free FLUX 2 Dev API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

FLUX 1 Schnell

Free FLUX 1 Schnell API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

FLUX

Free FLUX API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Embeddinggemma 300m

Free Embeddinggemma 300m API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Dreamshaper 8 LCM

Free Dreamshaper 8 LCM API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Distilbert SST-2 INT8

Free Distilbert SST-2 INT8 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

DETR ResNet 50

Free DETR ResNet 50 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Deepseek R1 Distill Qwen 32b

Free Deepseek R1 Distill Qwen 32b API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

BGE Small EN V1.5

Free BGE Small EN V1.5 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

BGE Reranker Base

Free BGE Reranker Base API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

BGE M3

Free BGE M3 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

BGE Large EN V1.5

Free BGE Large EN V1.5 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

BGE Base EN V1.5

Free BGE Base EN V1.5 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Aura 2 ES

Free Aura 2 ES API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Aura 2 EN

Free Aura 2 EN API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Cloudflare Workers AI

Aura 1

Free Aura 1 API via Cloudflare Workers AI with 10,000 daily free Neurons. Zero setup fee, no credit card required.

Vercel AI Gateway

Llama 3.3 70B Instruct

Access llama-3-3-70b free through Vercel's $5 monthly credit.

Vercel AI Gateway

DeepSeek V3

Access deepseek-v3 free through Vercel's $5 monthly credit.

Vercel AI Gateway

DeepSeek R1

Access deepseek-r1 free through Vercel's $5 monthly credit.

Vercel AI Gateway

Qwen 3.8 Max

Access qwen-3-8-max free through Vercel's $5 monthly credit.

Vercel AI Gateway

Grok 4.6

Access grok-4-6 free through Vercel's $5 monthly credit.

Vercel AI Gateway

Gemini 3.7 Flash

Access gemini-3-7-flash free through Vercel's $5 monthly credit.

Vercel AI Gateway

Claude 5 Sonnet

Access claude-5-sonnet free through Vercel's $5 monthly credit.

Vercel AI Gateway

Claude 5 Fable

Access claude-5-fable free through Vercel's $5 monthly credit.

Vercel AI Gateway

GPT-5.6 Luna

Access gpt-5-6-luna free through Vercel's $5 monthly credit.

Vercel AI Gateway

GPT-5.6 Sol

Access gpt-5-6-sol free through Vercel's $5 monthly credit.

NVIDIA NIM

BEVFormer Bird's-Eye-View Perception

NVIDIA BEVFormer bird's-eye-view camera fusion perception model on NIM.

NVIDIA NIM

SparseDrive End-to-End Perception

NVIDIA SparseDrive end-to-end perception and motion forecasting on NIM.

NVIDIA NIM

StreamPETR 3D Perception

NVIDIA StreamPETR real-time 3D object detection microservice on NIM.

NVIDIA NIM

Synthetic Video Detector (SVD)

NVIDIA AI synthetic deepfake video detection microservice on NIM.

NVIDIA NIM

Cosmos Transfer 1.0 7B

NVIDIA Cosmos Transfer 1.0 7B high-fidelity physical video transfer on NIM.

NVIDIA NIM

Cosmos Transfer 2.5 2B

NVIDIA Cosmos Transfer 2.5 2B physical video style transfer on NIM.

NVIDIA NIM

Cosmos 3 Nano Reasoner

NVIDIA Cosmos 3 Nano physical spatial dynamics reasoning model on NIM.

NVIDIA NIM

Cosmos 3 Nano World Model

NVIDIA Cosmos 3 Nano physical AI world foundation model on NIM.

NVIDIA NIM

PaliGemma 3B Vision-Language

Google's 3B vision-language model for image captioning and OCR on NIM.

NVIDIA NIM

DiffusionGemma 26B-A4B IT

Google's Diffusion-Transformer hybrid image synthesis model on NIM.

NVIDIA NIM

Nemotron 3 Embed 1B

NVIDIA's 1B dense text embedding model with top MTEB retrieval performance.

NVIDIA NIM

Riva Translate 4B Instruct v1.1

NVIDIA Riva 4B high-throughput machine translation v1.1 model on NIM.

NVIDIA NIM

Riva Translate 4B Instruct v2

NVIDIA Riva 4B neural machine translation v2 model on NIM.

NVIDIA NIM

NVIDIA Active Speaker Detection

NVIDIA audio-visual neural active speaker detection microservice.

NVIDIA NIM

NVIDIA Background Noise Removal

NVIDIA real-time background noise removal and echo cancellation.

NVIDIA NIM

NVIDIA Studio Voice

NVIDIA studio-quality voice enhancement and audio restoration microservice.

Ejemplo de Inicio Rápido (cURL / Python)

# 1. DeepSeek 官方直连 (OpenAI 格式, 注册即赠额度)
curl https://api.deepseek.com/v1/chat/completions \
  -H "Authorization: Bearer $DEEPSEEK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek-chat", "messages": [{"role": "user", "content": "Hello!"}]}'

# 2. Cloudflare Workers AI (每日 10,000 Neurons 免绑卡额度)
curl https://api.cloudflare.com/client/v4/accounts/$CF_ACCOUNT_ID/ai/run/@cf/meta/llama-4-8b-instruct-scout \
  -H "Authorization: Bearer $CF_API_TOKEN" \
  -d '{"messages": [{"role": "user", "content": "Hello Llama 4!"}]}'

Preguntas Frecuentes