Mar 21, 2026

Here are reliable places to find and use top AI models for free: - Download open-weight models - Hugging Face Hub (huggingface.co): Central hub for LLMs, vision, audio. - Popular LLMs: Meta Llama 3/3.1 (8B/70B), Mistral 7B / Mixtral 8x7B, Qwen2/2.5 (7B/72B), Falcon 2 (11B), Gemma 2 (2B/9B), Phi-3 (3.8B/14B) - Vision/Gen: Stable Diffusion XL, SD 1.5, OpenCLIP, Segment Anything (SAM) - Audio/Speech: Whisper, MMS - ModelScope (modelscope.cn): Large catalog, especially strong for Qwen and Chinese models. - GitHub Releases: Official orgs (Meta, Mistral, TII/Falcon, Alibaba Qwen, Google, Microsoft) publish checkpoints. - Kaggle Models (kaggle.com/models), TensorFlow Hub, PyTorch Hub: Curated pretrained models. - Try models in the browser (no install) - Hugging Face Spaces: Thousands of hosted demos for LLMs and diffusion models. - LMSYS Chatbot Arena (chat.lmsys.org): Side‑by‑side chats with many leading LLMs. - Groq Playground/API: Fast free access to Llama 3, Gemma, Mixtral with an API key. - Together Playground, OpenRouter Playground: Often have free tiers for selected models. - Find “top” models and rankings - Open LLM Leaderboard (Hugging Face Spaces): Benchmarks for open LLMs. - LMSYS Chatbot Arena Leaderboard: Crowdsourced chat rankings. - Papers with Code: Task-specific SOTA lists with code/weights links. Tips: - Check each model’s license (community, research-only, or Apache 2.0) before commercial use. - For local use on modest hardware, download quantized builds (e.g., GGUF) and run via llama.cpp or text-generation-webui. - Always read the model card for setup, limits, and evaluation notes.

Los mejores lugares para encontrar los mejores modelos de IA gratuitos en 2026 son CometAPI, por su catálogo unificado de modelos con una clave API gratuita y créditos de prueba. La opción “gratuita” más útil depende de tu objetivo: chat y redacción cotidiana, uso multimodal como imágenes o pruebas de API en muchos modelos de vanguardia. CometAPI destaca para los desarrolladores porque ofrece una sola API para más de 500 modelos, un Playground interactivo, créditos de prueba para nuevos usuarios y herramientas integradas de comparación para probar flujos de trabajo de generación de imágenes y video.