664 tools
Free planAI models & APIs
Tracking AI is a Maximum Truth Project site that scores and charts frontier chatbot IQ, reasoning speed, cost per answer, and political compass results over time. Visitors can explore searchable test databases, compare daily moving averages, and read FAQs about why the project tracks AI bias and capability shifts as models update.
Free tier unknownAI models & APIs
Traverse.so is a research lab that builds reinforcement learning environments and training data for frontier AI labs. It focuses on subjective, long-horizon tasks where quality depends on taste, judgment, and context rather than deterministic scoring.
Free to startAI models & APIs
TreeScale is a no-code platform from TreeNity Oy for turning LLM prompts, prompt chains, and stored context into deployable HTTP API endpoints compatible with major model providers. The marketing site and docs describe prompt debugging, release history, semantic querying, evaluations, and hosted subdomains per app for integrating generative workflows into products.
Free planAI models & APIs
T-Rex Label is a browser-based AI annotation platform for computer vision datasets with zero-shot detection, cross-image propagation, and export to common ML formats. The English site emphasizes free start options and enterprise contact for larger deployments.
Free planAI models & APIs
Tribuo is an Apache 2.0 Java machine learning library from Oracle for classification, regression, clustering, anomaly detection, and multi-label tasks with provenance tracking. It wraps XGBoost, liblinear, and other backends and can load models exported from Python stacks like scikit-learn or PyTorch for inference inside JVM applications.
Free tier unknownAI models & APIs
Trim Research is building a foundation model for physics that simulates real-world physical systems over time. The team trains on outputs from traditional physics simulations and uses a custom Galerkin-type attention architecture aimed at lower latency than classic solvers.
Free planCoding & development
TruLens is an open-source, OpenTelemetry-native library for evaluating and tracing AI agents and LLM apps. The official site positions TruLens to instrument agent runs, score steps with benchmarked LLM judges, surface failure modes, and compare versions before shipping production agents.
No free planAI models & APIs
Cleanlab's Trustworthy Language Model (TLM) adds trustworthiness scores to LLM outputs so teams catch hallucinations in real time. The API can score responses from existing models or generate higher-accuracy answers, supporting RAG, agents, chatbots, and guardrail workflows.
Free tier unknownAI models & APIs
TuneMyAI (TunemyAI) helps users finetune and deploy Stable Diffusion models quickly with hosted training on NVIDIA A100 GPUs. The service includes Hugging Face hosting, multi-class datasets, and customizable training parameters with transparent per-finetune pricing.
Free planAI models & APIs
UBIAI is an NLP platform for data labeling, LLM fine-tuning, intelligent document processing, and agent workflows. Teams annotate documents, train and evaluate models, run API inference, and collaborate on datasets with tiered plans based on users, models, and monthly document limits.
Free planCoding & development
Ubicloud is an open-source cloud platform that runs on bare-metal providers such as Hetzner and Leaseweb. Managed services include elastic compute, networking, managed PostgreSQL, Kubernetes, GitHub Actions runners, and AI inference endpoints.
Free to startAI models & APIs
UbiOps is a model serving and orchestration platform for running, managing, and scaling private AI and ML workloads on your own infrastructure without operating Kubernetes yourself. It targets teams that need GPU-backed deployments, pipelines, and production inference for computer vision and data-heavy AI apps.
Free planAI models & APIs
Ultralytics provides an end-to-end computer vision platform for annotating data, training YOLO models, and deploying to global cloud regions. The YOLO model family supports detection, segmentation, classification, pose, and oriented bounding box tasks with GPU-backed training.
Free tier unknownAI agents & automation
unify builds continual learning infrastructure for production AI agents by capturing traces, scoring outcomes, and post-training models on corrections and retries gated by evals. The company publishes research posts and invites teams to talk via email rather than self-serve checkout.
Free planAI models & APIs
Unitlab is an enterprise multimodal data platform for curating, annotating, reviewing, and versioning training data across image, video, audio, text, document, medical, and geospatial modalities. Cloud pricing offers free hobby tiers and per-seat Active and Pro plans with auto-labeling credits for ML teams.
Free planVoice & speech
Unreal Speech provides a low-latency text-to-speech API powered by Kokoro-82M, streaming audio in about 300ms with optional per-word timestamps. Pricing tiers scale by monthly character allotments, and a browser studio lets developers preview voices before integrating.
Free planAI models & APIs
Vald is an open-source, cloud-native distributed vector search engine for approximate nearest-neighbor queries over dense embeddings. It supports horizontal scaling, automatic indexing and backup, customizable ingress filters, and multi-language client SDKs.
No free planAI models & APIs
Valohai is an MLOps platform for managing ML experiments, pipelines, deployments, and infrastructure across cloud, on-premises, or air-gapped environments with per-user licensing. The vendor site emphasizes unlimited projects, experiments, pipelines, and deployments once licensed, plus GPU optimization and customer engineering support.
Free tier unknownAI models & APIs
Vast.ai is a GPU cloud marketplace where users rent on-demand, interruptible, or reserved GPUs for AI training, inference, rendering, and batch jobs. Live pricing varies by data center supply with per-second billing on instances.
Free planMeetings, notes & transcription
Vatis Tech transcribes audio and video to text with 95%+ accuracy across 50+ languages, offering both a team transcription platform and developer speech APIs. Platform plans bill in euros while the site also publishes async API rates.
Free planAI agents & automation
Vectorize.io offers Hindsight, an open-source MIT-licensed agent memory system with retain, recall, and reflect APIs plus an MCP server. Hindsight Cloud adds managed hosting with usage-based token billing and enterprise deployment options.
Free to startAI models & APIs
Vedika is an astrology intelligence API for birth charts, natural-language answers, voice guidance, compatibility, PDF reports, MCP tools, and SDKs spanning Vedic, Western, and KP systems. The homepage demo shows computed ephemeris context, evidence paths, and subscription wallet plans for production integrations.
Free tier unknownCoding & development
Velum Labs builds RouteKit, a local control plane that pools coding subscriptions and API providers then routes each coding task to the right model. The homepage emphasizes owning your intelligence stack, running evals on your repository, and avoiding dependence on a single model lab.
Free planResearch & search
VibeSearchBench is a research benchmark for long-horizon proactive search with evolving user intent. It provides 200 bilingual tasks, persona simulators, and schema-free knowledge-graph evaluation via precision, recall, and F1.
Showing 624 of 664 tools
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