Top AI tools for AI Engineer

BasicPrompt is a comprehensive prompt engineering and management platform that enables users to build, test, deploy, and share prompts across multiple AI models through a unified interface.

• Freemium
• From 29$

Simli provides a developer API for creating real-time streaming avatars with facial expressions for AI agents, delivering sub-300ms latency for seamless human-AI interactions.

• Usage Based

Fish Speech is an open-source text-to-speech (TTS) system utilizing VQGAN and LLAMA models. It supports multiple languages and focuses on reducing word error rate (WER) and improving timbre similarity.

• Free

Maihem empowers technology leaders and engineering teams to test, troubleshoot, and monitor any (agentic) AI workflow at scale. It offers industry-leading AI testing and red-teaming capabilities.

• Contact for Pricing

GptSdk streamlines AI prompt management by integrating with your version control system. Store, manage, test, and execute prompts with enhanced collaboration and zero latency.

• Freemium
• From 25$

Arch Gateway is an AI-native proxy server designed to help developers build sophisticated agentic AI applications by simplifying prompt processing, security, observability, and integration.

• Free

GraphQL AI enables developers to quickly create AI-powered tools, bots, and chat assistants using advanced, isolated context and integration with leading AI models.

• Free
• API

AI Native Development Landscape is a curated directory showcasing AI tools across the software development lifecycle, aiding developers in discovering relevant solutions.

• Free

A1Base provides an API enabling AI agents to communicate via real-world channels like WhatsApp, SMS, and email with verified identities and spam protection.

• Paid
• From 100$

Nile is a serverless PostgreSQL database specifically designed for building scalable, secure, and cost-effective multi-tenant B2B and AI applications. It offers built-in tenant virtualization and support for vector embeddings.

• Freemium
• From 15$

A web-based tool that provides real-time token counting and cost estimation for various Large Language Models (LLMs), including OpenAI's GPT models and Anthropic's Claude models.

• Free

Kosmoy is a platform for controlling, building, and monitoring enterprise AI applications at scale, providing governance, observability, and security features. It centralizes LLM interactions, tracks costs and user feedback, and ensures compliance.

• Freemium

Literal AI streamlines the development of LLM applications, offering tools for evaluation, prompt management, logging, monitoring, and more to build production-grade AI products.

• Freemium

Interlify seamlessly connects your existing APIs to Large Language Models (LLMs), enabling rapid integration and development of AI-powered features without complex coding.

• Freemium
• From 25$

JobBoardHub is a comprehensive platform that aggregates various specialized job boards focused on tech, AI, data science, and other digital professions, making job searching more efficient and centralized.

• Free

Endeavours Way accelerates progress by integrating AI and blockchain technologies with coliving environments, offering consulting, development, and project incubation.

• Contact for Pricing

CursorLens is an open-source dashboard for the Cursor.sh IDE, enabling users to log AI code generations, track usage, and manage AI models.

• Free

Model Gateway is an open-source platform that optimizes AI inference requests for speed and reliability by routing them to the fastest available AI providers and regions.

• Freemium

IndieLaunch is a feature-rich SaaS template designed to streamline the development and launch of AI-powered platforms, offering built-in authentication, payment integration, AI endpoints, and more.

• Pay Once

VibePilot specializes in helping solo founders and AI builders transform their AI-powered prototypes into polished, deployable MVPs with expert support in debugging, deployment, and design.

• Contact for Pricing

Syntho Engine is a test data management platform offering AI-generated synthetic data solutions for various applications, including test data, data analytics and AI modeling.

• Contact for Pricing

Repello AI provides continuous security and automated red-teaming to identify, measure, and mitigate threats in Generative AI applications, protecting against attacks like prompt injection and jailbreaks.

• Contact for Pricing

Datawizz optimizes AI operations by routing requests between different LLMs and SLMs, significantly reducing costs while enhancing accuracy. It provides tools for seamless integration, data management, model fine-tuning, and performance analytics.

• Contact for Pricing

Inference.net provides fast, scalable, pay-per-token APIs for leading AI models like DeepSeek V3 and Llama 3.1, offering significant cost savings and easy integration.

• Usage Based

Chainlit Framework is an open-source tool enabling developers to build, deploy, and customize conversational AI applications using Python.

• Free

Stable Diffusion API offers a suite of AI APIs, including text-to-image, image editing, and model training, enabling developers to build next-generation AI products without managing GPUs.

• Paid
• From 27$

Aporia offers real-time control and monitoring of AI apps, ensuring compliance and guarding against risks such as data leakage and hallucinations.

• Free Trial
• From 1250$
• API

RapidMCP transforms existing REST APIs into AI-agent ready MCP servers without requiring backend modifications, enabling quick integration with AI agents supporting the MCP protocol.

• Freemium
• From 12$

Candle is an SDK that provides programmatic read and write access to consumer internet services, enabling seamless integration with LLMs.

• Freemium
• From 84$

A 4-week online program that helps builders launch their projects with community support, offering $50,000+ in grants and resources across AI, crypto, gaming, and open source sectors.

• Free

Preprocess converts and splits complex documents into optimal text chunks for RAG pipelines, handling preprocessing complexities automatically.

• Freemium

Lutia offers access to multiple leading AI models through a unified chat interface with a pay-as-you-go pricing model, eliminating costly monthly subscriptions.

• Usage Based

Airbyte is an open-source data integration platform that helps organizations consolidate and move data across multi-cloud environments, supporting 550+ data sources and destinations with AI-ready capabilities.

• Freemium
• From 10$

Metaflow is an open-source framework that simplifies the building and management of machine learning, AI, and data science projects. It provides tools for versioning, orchestration, and scaling compute resources.

• Free

KaibanJS is a JavaScript framework that simplifies the development and management of multi-agent AI systems using a Kanban-based approach.

• Free

Open Source AI Gateway provides developers with a robust, production-ready solution to manage multiple LLM providers like OpenAI, Anthropic, and Gemini. It offers features like smart failover, caching, rate limiting, and monitoring for enhanced reliability and cost savings.

• Free

WebCrawler API provides a developer-focused API for streamlined web crawling and data scraping, delivering website content in various formats suitable for training LLM AI models.

• Usage Based

Memories-Dev offers a truth-verified AI framework designed for mission-critical systems, ensuring reliability and preventing AI hallucinations through multi-source validation.

• Contact for Pricing

Toolhouse is a complete cloud infrastructure platform that enables developers to equip LLMs with actions and knowledge using just 3 lines of code, offering a Tool Store for instant integration of AI capabilities.

• Freemium

Covariant provides AI-powered robotic automation solutions for warehouse operations. Guaranteed performance, leveraging the Covariant Brain platform, addresses fluctuating demand and labor gaps.

• Contact for Pricing

Argilla is an open-source collaboration platform that enables AI engineers and domain experts to build and maintain high-quality datasets for language model training, fine-tuning, and evaluation.

• Other

Sigma AI provides high-quality data annotation services for training Generative AI and Large Language Models (LLMs). They offer data labelling, strategy, collection, and human-in-the-loop processes.

• Contact for Pricing

Webo.Ai is an innovative AI-powered testing platform that helps startups rapidly overcome software testing challenges for faster time to market and cost efficiency.

• Free Trial
• From 999$

ComfyUIAsAPI.com transforms ComfyUI workflows into APIs, simplifying product development by handling infrastructure, hosting, and server management.

• Usage Based
• From 99$

Parea is a platform for testing, evaluating, and monitoring Large Language Model (LLM) applications, helping teams track experiments, collect human feedback, and deploy prompts confidently.

• Freemium
• From 150$

An enterprise-grade API service providing real-time Twitter data access (user profiles, tweets, followers) without requiring Twitter authentication. Offers high speed, high throughput, and significantly lower costs compared to official Twitter APIs.

• Usage Based

PilottAI offers a production-ready infrastructure for enterprises to build and deploy scalable AI applications using intelligent multi-agent systems, featuring advanced orchestration and fault tolerance.

• Free

Fractile is developing hardware to significantly accelerate AI inference. Their technology aims to eliminate memory bottlenecks, enabling large language models to run much faster and at a lower cost.

• Contact for Pricing

NeuReality provides AI-centric solutions designed to simplify the deployment and scaling of AI inference workflows, overcoming traditional system bottlenecks.

• Contact for Pricing

Prompt Hippo is an AI-powered testing suite for Large Language Model (LLM) prompts, designed to improve their robustness, reliability, and safety through side-by-side comparisons.

• Freemium
• From 100$