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Everything on Ground Truth tagged “free” — 18 items.

neuraloperator Tool

The open-source PyTorch library for Fourier neural operators and related architectures -- the toolkit behind FourCastNet and the plasma and lithography surrogates. If you want to try learning a solution operator for a PDE instead of solving it step by step, this is the reference implementation.

Vercel AI Gateway (Ling-3.0-flash) Tool

Vercel added Ling-3.0-flash to its AI Gateway with bring-your-own-key support and failover routing, free through August 3. Useful if you want the model behind a single gateway alongside other providers rather than wiring a second API.

TorchLean Tool

A Lean 4 framework for formalizing, executing and verifying neural networks, with typed tensors, exact and finite-precision semantics, verified reverse-mode differentiation, and CROWN/LiRPA-style bound checking. Early and CPU-bound by its authors' own account, but it is the most concrete attempt yet at machine-checked robustness guarantees.

SAI ICML 2026 replication results Tool

A browsable record of automated replication attempts against all 168 oral papers from ICML 2026, showing which papers shipped runnable code and how many of each paper's claims actually reproduced. Useful before you build on a result you have only read the abstract of.

Ramp AI Index Tool

A free public dashboard tracking AI vendor adoption across US businesses, derived from corporate card and invoice payments covering more than 100 billion dollars in annual spend across over 50,000 companies. Useful as an adoption-behaviour signal, with the important caveat, stated in Ramp's own methodology, that it measures spend rather than vendor revenue.

Qwen3.8-Flash-Next GGUF (Unsloth) Tool

Unsloth's quantized GGUF conversions of Qwen3.8-Flash-Next, including a 2-bit UD-Q2_K_XL build at roughly 78.9 GB across three shards -- about a fifth of the official bf16 repository. The model card carries working setup instructions for llama.cpp, vLLM and Ollama.

Pointer Bench Tool

A 1,500-task benchmark for GUI grounding across spreadsheets, text documents and professional applications, built by Warmwind because general agent scores do not transfer to office software. Public leaderboard, open dataset on Hugging Face, and code on GitHub -- useful if you are evaluating whether a screen-driving agent can actually hit the right cell.

Ox Alpha Tool

An anonymous reasoning model with a 1,048,576-token context window and 131,072 max output tokens, accepting text, image, and video with tool and JSON support. Free to try in the browser, with no disclosed creator.

Ollama Tool

Download and run open AI models locally with a single command. The easiest on-ramp to running your own model.

Muse Image Tool

Meta's agentic image model, free for everyday creation inside Meta AI, Instagram Stories (US), and WhatsApp; it can search, write code, and self-refine rather than mapping a prompt straight to pixels, and stamps outputs with an invisible Content Seal watermark.

Ling-3.0-flash (free API) Tool

Ant's 124B-parameter mixture-of-experts model that activates only 5.1B parameters per token, with a 256K context and OpenAI- and Anthropic-compatible endpoints. Currently free on OpenRouter as inclusionai/ling-3.0-flash:free; aimed at long-horizon agent workflows and tool calling.

LM Studio Tool

A friendly desktop app to find, download, and chat with open models on your own machine — no command line needed.

Kimi (Kimi K2.6) Tool

Moonshot AI's web assistant and agent, running the open-weight Kimi K2.6 model; free to use in the browser for chat and long-horizon agent tasks, with the weights also downloadable for self-hosting.

DuckDB Tool

The in-process analytics database that a large share of data-science and AI-evaluation tooling runs on -- no server, just a library. Worth a mention today because AWS is acquiring DuckLabs while the project itself stays MIT-licensed under the nonprofit DuckDB Foundation, with more than a million downloads a day.

Docker Sandboxes (sbx) Tool

Free command-line tool that runs coding agents inside disposable microVMs with their own kernel, filesystem, network, and private Docker engine, so an unsupervised agent cannot reach the host. Supports Claude Code, Codex, Copilot, Cursor, Gemini and others on macOS, Windows, and Linux; commercial use included at no cost.

Cloudflare AI Bot Controls Tool

A free Cloudflare setting, live since July 1 2026, that lets any site separately allow or block three kinds of AI crawler: search indexers, live AI assistants, and model-training scrapers.

Claude Content Credentials Checker Tool

Free browser tool that reads C2PA content credentials embedded in image, video, and audio files, up to 100 MB across 17 formats. It runs locally and the file never leaves your machine. Important limitation stated on the page itself: it reads the credential only, and cannot tell you whether an AI was involved in creating content that carries no credential.

Artificial Analysis Intelligence Index Tool

The independent benchmark and pricing dashboard the field now reaches for when a lab claims a lead -- it is the source of Inkling's debut score of 41. Useful beyond the headline ranking because it also tracks output tokens per task, latency and cost, which is how you find out that a cheaper-looking model is actually more expensive per finished job.