Best Free AI Large Language Models tools

All-in-one AI platform for teams providing access to leading AI models like GPT, Claude, Gemini, and more in a secure collaborative workspace.

A specialized local inference engine for large language models, optimized for Apple Silicon and SSD streaming on memory-constrained systems.

Unified, zero-allocation native AI inference runtime for Java, consolidating LLM, vision, and speech pipelines via Project Panama.

A dependency-free C engine that streams expert weights from disk to run the 744B-parameter GLM-5.2 MoE model on consumer hardware with as little as 25 GB of RAM.

A unified AI gateway providing access to 300+ leading models through one EU-hosted, GDPR-compliant API with an OpenAI SDK-compatible interface.

Unified AI API gateway providing access to top-tier LLMs, image, video, and coding models at affordable prices.

A browser-based instrument using the Jacobian lens to read language model internal concepts in real time.

Frugon is a free, open-source LLM cost analyzer that identifies where your LLM bill leaks by analyzing your call logs locally.

A Swift framework for building stateful, multi-agent AI workflows with type-safe tools, crash resilience, and native concurrency.

Run any LLM locally on your Mac faster than LM Studio or Ollama, with chat, coding agents, images, video, and voice, all fully offline and open source.

All-in-one AI platform for teams providing access to leading AI models like GPT, Claude, Gemini, and more in a secure collaborative workspace.

Echo is an open-weight AI model offering Claude-class performance at one-third the cost, adaptable to chat, code, and agent tasks.

LiquidBrain.ai offers unlimited token and context AI inference on a fixed monthly bill, using a patented distributed inference engine for private, scalable model deployment.

A specialized local inference engine for large language models, optimized for Apple Silicon and SSD streaming on memory-constrained systems.

Unified, zero-allocation native AI inference runtime for Java, consolidating LLM, vision, and speech pipelines via Project Panama.

A dependency-free C engine that streams expert weights from disk to run the 744B-parameter GLM-5.2 MoE model on consumer hardware with as little as 25 GB of RAM.

A unified AI gateway providing access to 300+ leading models through one EU-hosted, GDPR-compliant API with an OpenAI SDK-compatible interface.

A unified API platform for LLM inference with cost optimization, routing, observability, and automatic failover.

Unified AI API gateway providing access to top-tier LLMs, image, video, and coding models at affordable prices.

A browser-based instrument using the Jacobian lens to read language model internal concepts in real time.

Frugon is a free, open-source LLM cost analyzer that identifies where your LLM bill leaks by analyzing your call logs locally.

A Swift framework for building stateful, multi-agent AI workflows with type-safe tools, crash resilience, and native concurrency.

Run any LLM locally on your Mac faster than LM Studio or Ollama, with chat, coding agents, images, video, and voice, all fully offline and open source.

AXIOM is a bootable Rust kernel that optimizes transformer inference by replacing generic OS abstractions with inference-specific primitives.

Lightning Rod trains small AI models on messy real-world data to predict outcomes in sports, politics, finance, and more, offering a cost-effective alternative to frontier models.

One chat interface that gives you access to over 100 AI models, automatically selecting the best model for your task while tracking energy usage and protecting your privacy.

NanoEuler is an open-source GPT-2-style language model built entirely from scratch in C/CUDA with hand-written backprop, BPE tokenizer, FlashAttention, and training pipelines.

A reference implementation using Linux Pressure Stall Information to trim LLM KV cache under memory pressure.

Oxlo.ai is a privacy-first AI inference API offering request-based pricing for over 45 open-source models.

Graphsignal is a production-scale inference profiling platform that helps engineers optimize AI performance across models, engines, GPUs, and other accelerators.

An interactive visual mini-course explaining the transformer architecture from first principles, based on the 'Attention Is All You Need' paper.

Free open-source desktop companion that runs a private AI backend on Mac/PC and connects MyLLM iOS app over trusted HTTPS via Tailscale.

Quant Picker helps you choose the optimal GGUF quantization for your LLM by balancing quality, context length, and speed based on your hardware.

ZeroGPU is a compute efficiency layer that helps AI applications and agents reduce costs by routing high-volume inference tasks to specialized small language models via an edge-powered network.

Anthropic's Claude Fable 5 is a state-of-the-art AI language model with exceptional performance in coding, analytics, vision, and research, featuring advanced safety classifiers.

Ollama is a platform for running large language models locally and scaling to the cloud, offering access to faster, larger models with parallel requests and real-time web information.

A free AI chatbot powered by a large language model for conversation, coding, and creative tasks.

Uncensored AI is an AI model hub and chat platform offering access to multiple major models, including uncensored variants, plus a private-beta API.

ApX Machine Learning is an educational platform for learning machine learning, LLMs, and practical AI engineering through courses, guides, tools, and model rankings.

ChatHub lets you compare responses from multiple leading AI models side by side in one app.

Atlas Cloud is a full-modal AI inference platform offering one API for chat, image, video, and audio models.

A browser-based tool that estimates which local AI models your machine can run based on device capabilities.

Groq provides fast, low-cost AI inference via GroqCloud and its custom LPU stack.

Vast.ai is an API-native GPU cloud for renting on-demand compute with real-time pricing and per-second billing.

Arena AI is an official AI model ranking and LLM leaderboard site for comparing and tracking model performance.

All-in-one AI platform for teams providing access to leading AI models like GPT, Claude, Gemini, and more in a secure collaborative workspace.

Echo is an open-weight AI model offering Claude-class performance at one-third the cost, adaptable to chat, code, and agent tasks.

LiquidBrain.ai offers unlimited token and context AI inference on a fixed monthly bill, using a patented distributed inference engine for private, scalable model deployment.