Best LLM API Providers with a Free Trial of 2025

Fully managed ML tools allow you to build, deploy and scale machine-learning (ML) models quickly, for any use case. Vertex AI Workbench is natively integrated with BigQuery Dataproc and Spark. You can use BigQuery to create and execute machine-learning models in BigQuery by using standard SQL queries and spreadsheets or you can export datasets directly from BigQuery into Vertex AI Workbench to run your models there. Vertex Data Labeling can be used to create highly accurate labels for data collection. Vertex AI Agent Builder empowers developers to design and deploy advanced generative AI applications for enterprise use. It supports both no-code and code-driven development, enabling users to create AI agents through natural language prompts or by integrating with frameworks like LangChain and LlamaIndex.

Snowflake offers a unified AI Data Cloud platform that transforms how businesses store, analyze, and leverage data by eliminating silos and simplifying architectures. It features interoperable storage that enables seamless access to diverse datasets at massive scale, along with an elastic compute engine that delivers leading performance for a wide range of workloads. Snowflake Cortex AI integrates secure access to cutting-edge large language models and AI services, empowering enterprises to accelerate AI-driven insights. The platform’s cloud services automate and streamline resource management, reducing complexity and cost. Snowflake also offers Snowgrid, which securely connects data and applications across multiple regions and cloud providers for a consistent experience. Their Horizon Catalog provides built-in governance to manage security, privacy, compliance, and access control. Snowflake Marketplace connects users to critical business data and apps to foster collaboration within the AI Data Cloud network. Serving over 11,000 customers worldwide, Snowflake supports industries from healthcare and finance to retail and telecom.

Perplexity AI is a fast-answer search engine accessible for free via its website perplexity.at, as well as through desktop apps and mobile devices on iPhone and Android. This innovative search platform leverages large language models to deliver precise and context-aware responses to a wide range of questions. Built to handle both broad and detailed queries, Perplexity AI combines artificial intelligence with live search functionality to gather and summarize information from multiple sources. Emphasizing user-friendliness and transparency, it frequently includes citations or direct links to its reference materials. Its mission is to simplify the information-gathering process while ensuring responses are clear, accurate, and reliable—making it an essential resource for researchers and professionals alike.

Anyscale is a configurable AI platform that unifies tools and infrastructure to accelerate the development, deployment, and scaling of AI and Python applications using Ray. At its core is RayTurbo, an enhanced version of the open-source Ray framework, optimized for faster, more reliable, and cost-effective AI workloads, including large language model inference. The platform integrates smoothly with popular developer environments like VSCode and Jupyter notebooks, allowing seamless code editing, job monitoring, and dependency management. Users can choose from flexible deployment models, including hosted cloud services, on-premises machine pools, or existing Kubernetes clusters, maintaining full control over their infrastructure. Anyscale supports production-grade batch workloads and HTTP services with features such as job queues, automatic retries, Grafana observability dashboards, and high availability. It also emphasizes robust security with user access controls, private data environments, audit logs, and compliance certifications like SOC 2 Type II. Leading companies report faster time-to-market and significant cost savings with Anyscale’s optimized scaling and management capabilities. The platform offers expert support from the original Ray creators, making it a trusted choice for organizations building complex AI systems.

Experience a robust, self-service machine learning platform that enables you to transform models into scalable APIs with just a few clicks. Create an account with Deep Infra through GitHub or log in using your GitHub credentials. Select from a vast array of popular ML models available at your fingertips. Access your model effortlessly via a straightforward REST API. Our serverless GPUs allow for quicker and more cost-effective production deployments than building your own infrastructure from scratch. We offer various pricing models tailored to the specific model utilized, with some language models available on a per-token basis. Most other models are charged based on the duration of inference execution, ensuring you only pay for what you consume. There are no long-term commitments or upfront fees, allowing for seamless scaling based on your evolving business requirements. All models leverage cutting-edge A100 GPUs, specifically optimized for high inference performance and minimal latency. Our system dynamically adjusts the model's capacity to meet your demands, ensuring optimal resource utilization at all times. This flexibility supports businesses in navigating their growth trajectories with ease.

Snowflake Cortex AI is a serverless, fully managed platform designed for organizations to leverage unstructured data and develop generative AI applications within the Snowflake framework. This innovative platform provides access to top-tier large language models (LLMs) such as Meta's Llama 3 and 4, Mistral, and Reka-Core, making it easier to perform various tasks, including text summarization, sentiment analysis, translation, and answering questions. Additionally, Cortex AI features Retrieval-Augmented Generation (RAG) and text-to-SQL capabilities, enabling users to efficiently query both structured and unstructured data. Among its key offerings are Cortex Analyst, which allows business users to engage with data through natural language; Cortex Search, a versatile hybrid search engine that combines vector and keyword search for document retrieval; and Cortex Fine-Tuning, which provides the ability to tailor LLMs to meet specific application needs. Furthermore, this platform empowers organizations to harness the power of AI while simplifying complex data interactions.

The Databricks Data Intelligence Platform empowers every member of your organization to leverage data and artificial intelligence effectively. Constructed on a lakehouse architecture, it establishes a cohesive and transparent foundation for all aspects of data management and governance, enhanced by a Data Intelligence Engine that recognizes the distinct characteristics of your data. Companies that excel across various sectors will be those that harness the power of data and AI. Covering everything from ETL processes to data warehousing and generative AI, Databricks facilitates the streamlining and acceleration of your data and AI objectives. By merging generative AI with the integrative advantages of a lakehouse, Databricks fuels a Data Intelligence Engine that comprehends the specific semantics of your data. This functionality enables the platform to optimize performance automatically and manage infrastructure in a manner tailored to your organization's needs. Additionally, the Data Intelligence Engine is designed to grasp the unique language of your enterprise, making the search and exploration of new data as straightforward as posing a question to a colleague, thus fostering collaboration and efficiency. Ultimately, this innovative approach transforms the way organizations interact with their data, driving better decision-making and insights.

LLMAPI.dev is a unified API platform that enables developers and enterprises to access 200+ AI models from leading providers such as OpenAI, Anthropic, Google, Meta, and more. The platform is fully compatible with the OpenAI SDK across all programming languages, allowing users to replace their current endpoints without changing code. It offers infinite scalability, enabling smooth transitions from prototype to production with a pay-as-you-go pricing model. LLMAPI.dev supports a wide array of AI functionalities including chat completions, text embeddings, speech recognition, and text-to-speech generation. The API portal features consistent response formats and an intuitive interface for easy integration and management. With 99% uptime and round-the-clock customer support, the platform guarantees high reliability and quick assistance. Users can explore detailed model parameters and pricing directly from the API. LLMAPI.dev is designed to simplify access to cutting-edge AI technology, accelerating development and deployment workflows.