Pinecone is a managed vector database and AI knowledge platform for semantic search, RAG, agents, and enterprise knowledge serving with dense, sparse, and full-text indexes. Nexus compiles enterprise data into governed knowledge to cut token usage versus multi-step agentic retrieval.
Pinokio is a desktop launcher and community feed for discovering, downloading, and running open-source AI applications with one click. It organizes apps for image, video, music, and utility workflows across macOS, Windows, and Linux with GPU compatibility tags.
Pipeshift provides managed inference infrastructure for real-time AI agents, emphasizing dedicated single-tenant deployments, optimized model runtimes, and multi-region clusters with ultra-low latency. The platform targets teams that want SLA-tuned inference instead of shared black-box APIs.
Plat.AI is a predictive analytics platform for building, deploying, and maintaining machine-learning models without coding through AutoML workflows. It serves finance, insurance, and marketing teams with real-time decision engines, dashboards, and compliance-focused model transparency.
Polarity builds self-improving custom language models for product workflows. The homepage describes routing repetitive tasks to compact models trained in customer infrastructure, with data labeling, evals, post-training, deployment, and continual learning loops.
Polymath AI Labs builds simulation environments for training and evaluating long-horizon autonomous agents. The team partners with model labs to create realistic practice worlds where agents learn through experience instead of short scripted tasks.
Portkey is a production control plane for generative AI with an AI gateway, observability, guardrails, and prompt management. Teams route models through one interface, monitor traces and feedback, enforce policies, and manage prompts across environments.
PoYo.ai is a unified AI API platform for production teams to call image, video, music, chat, and 3D models through one async API with polling or webhooks. It aggregates models from providers such as OpenAI, Google, Kling, Alibaba, and Anthropic with per-generation pricing in credits.
Prediction Guard is a self-hosted AI security and governance control plane for regulated enterprises. It enforces zero-trust policies on models, tools, and agents inside your boundary, with Agent Forge, observability, and OpenAI-compatible APIs for developer workflows.
Prem AI builds sovereign, private AI infrastructure with encrypted inference, private agent workspaces, and model customization on customer data. Products include Enclave for developers, Fluso for enterprise agents, and Prem Studio for private model tuning.
Prodia operates a multi-silicon inference platform focused on video-generation models. The company site describes pareto-optimal model implementations for partners such as Lovable and Vercel, while the app subdomain hosts the Prodia web console for running inference workloads.
Prodigy is a downloadable annotation tool and Python library for building custom NLP, LLM, computer vision, and audio labeling workflows on your own machines. Teams define recipes, review annotations, and export models without sending data to a hosted SaaS.
Prodigy Research is an AI research lab training foundation models for quantitative finance and trading live in markets. The team reports index-beating risk-adjusted returns from proprietary models and agent harnesses benchmarked against leading general models.
Prometh resolves to Cognee, an open-source agent memory platform that connects Slack, GitHub, Linear, and other sources so LLM agents retain company knowledge across sessions. It combines graph, vector, and relational retrieval with self-hosted or cloud deployment options.
Prompteams is a prompt management platform for teams to version, test, and deploy LLM prompts with playgrounds, criteria, repositories, and auto-generated APIs. It targets collaborative prompt iteration with real-time testing hooks.
Prompteus is an AI orchestration platform for routing LLM requests, coordinating agents, and monitoring usage. Its Command product targets developers with caching, neuron-based metering, and team-ready Advanced plans for production workflows.
Knit (Promptknit) is an AI playground and prompt management workspace for prompt developers. It combines conversation and text-generation editors, prompt history comparison, variable groups, and model runs with optional bring-your-own API keys on paid tiers.
PromptLayer is a prompt management platform for AI engineering teams. It provides a visual prompt registry, dataset-backed evaluations, and production observability so product and domain experts can iterate on prompts without redeploying application code.
Prompt Octopus is a VS Code extension for side-by-side prompt engineering across 40+ LLMs. Developers highlight a prompt in code, pick models, compare responses, and optionally route calls through Prompt Octopus servers or their own API keys stored locally.
Protoface is an AI video and generative media inference platform offering pay-as-you-go API pricing for video, image, audio, and realtime avatar models, plus Studio and Realtime subscription plans for unlimited or live avatar workloads.
Qdrant is an open-source vector search engine and managed Qdrant Cloud platform for similarity search, RAG, recommendations, and AI agent memory. Cloud tiers range from a free prototype tier to usage-based Standard and enterprise Hybrid or Private deployments.
Free
API available
Checked Oct 4, 2026
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