List of the Top 19 Free LLM API Providers in 2025

Completely managed machine learning tools facilitate the rapid construction, deployment, and scaling of ML models tailored for various applications. Vertex AI Workbench seamlessly integrates with BigQuery Dataproc and Spark, enabling users to create and execute ML models directly within BigQuery using standard SQL queries or spreadsheets; alternatively, datasets can be exported from BigQuery to Vertex AI Workbench for model execution. Additionally, Vertex Data Labeling offers a solution for generating precise labels that enhance data collection accuracy. Furthermore, the Vertex AI Agent Builder allows developers to craft and launch sophisticated generative AI applications suitable for enterprise needs, supporting both no-code and code-based development. This versatility enables users to build AI agents by using natural language prompts or by connecting to frameworks like LangChain and LlamaIndex, thereby broadening the scope of AI application development.

Where does the journey of knowledge commence? Perplexity AI serves as an innovative search engine that delivers swift answers to inquiries. Accessible for free at perplexity.ai, it is also available on both iPhone and Android platforms, as well as desktop app. This sophisticated search tool and question-answering system leverages advanced language models to offer contextually relevant and precise responses to a wide range of user questions. It is tailored for inquiries that vary from general to specific. By integrating artificial intelligence with real-time search functionalities, it efficiently retrieves and synthesizes information from numerous sources. Perplexity AI emphasizes user-friendliness and transparency in its operations. Frequently, it provides citations or direct links to the sources used, enhancing trust in the information presented. Its mission is to simplify the process of information discovery while ensuring high standards of accuracy, clarity, and precision in its answers. Consequently, it proves to be an indispensable resource for both researchers and professionals alike, further contributing to the enhancement of knowledge acquisition.

Gemini, a cutting-edge AI chatbot developed by Google, is designed to enhance both creativity and productivity through dynamic, natural language conversations. It is accessible on web and mobile devices, seamlessly integrating with various Google applications such as Docs, Drive, and Gmail, which empowers users to generate content, summarize information, and manage tasks more efficiently. Thanks to its multimodal capabilities, Gemini can interpret and generate different types of data, including text, images, and audio, allowing it to provide comprehensive assistance in a wide array of situations. As it learns from interactions with users, Gemini tailors its responses to offer personalized and context-aware support, addressing a variety of user needs. This level of adaptability not only ensures responsive assistance but also allows Gemini to grow and evolve alongside its users, establishing itself as an indispensable resource for anyone aiming to improve their productivity and creativity. Furthermore, its unique ability to engage in meaningful dialogues makes it an innovative companion in both professional and personal endeavors.

DeepSeek emerges as a cutting-edge AI assistant, utilizing the advanced DeepSeek-V3 model, which features a remarkable 600 billion parameters for enhanced performance. Designed to compete with the top AI systems worldwide, it provides quick responses and a wide range of functionalities that streamline everyday tasks. Available across multiple platforms such as iOS, Android, and the web, DeepSeek ensures that users can access its services from nearly any location. The application supports various languages and is regularly updated to improve its features, add new language options, and resolve any issues. Celebrated for its seamless performance and versatility, DeepSeek has garnered positive feedback from a varied global audience. Moreover, its dedication to user satisfaction and ongoing enhancements positions it as a leader in the AI technology landscape, making it a trusted tool for many. With a focus on innovation, DeepSeek continually strives to refine its offerings to meet evolving user needs.

Mistral AI is recognized as a pioneering startup in the field of artificial intelligence, with a particular emphasis on open-source generative technologies. The company offers a wide range of customizable, enterprise-grade AI solutions that can be deployed across multiple environments, including on-premises, cloud, edge, and individual devices. Notable among their offerings are "Le Chat," a multilingual AI assistant designed to enhance productivity in both personal and business contexts, and "La Plateforme," a resource for developers that streamlines the creation and implementation of AI-powered applications. Mistral AI's unwavering dedication to transparency and innovative practices has enabled it to carve out a significant niche as an independent AI laboratory, where it plays an active role in the evolution of open-source AI while also influencing relevant policy conversations. By championing the development of an open AI ecosystem, Mistral AI not only contributes to technological advancements but also positions itself as a leading voice within the industry, shaping the future of artificial intelligence. This commitment to fostering collaboration and openness within the AI community further solidifies its reputation as a forward-thinking organization.

Cohere is a powerful enterprise AI platform that enables developers and organizations to build sophisticated applications using language technologies. By prioritizing large language models (LLMs), Cohere delivers cutting-edge solutions for a variety of tasks, including text generation, summarization, and advanced semantic search functions. The platform includes the highly efficient Command family, designed to excel in language-related tasks, as well as Aya Expanse, which provides multilingual support for 23 different languages. With a strong emphasis on security and flexibility, Cohere allows for deployment across major cloud providers, private cloud systems, or on-premises setups to meet diverse enterprise needs. The company collaborates with significant industry leaders such as Oracle and Salesforce, aiming to integrate generative AI into business applications, thereby improving automation and enhancing customer interactions. Additionally, Cohere For AI, the company’s dedicated research lab, focuses on advancing machine learning through open-source projects and nurturing a collaborative global research environment. This ongoing commitment to innovation not only enhances their technological capabilities but also plays a vital role in shaping the future of the AI landscape, ultimately benefiting various sectors and industries.

Claude exemplifies an advanced AI language model designed to comprehend and generate text that closely mirrors human communication. Anthropic is an institution focused on the safety and research of artificial intelligence, striving to create AI systems that are reliable, understandable, and controllable. Although modern large-scale AI systems bring significant benefits, they also introduce challenges like unpredictability and opacity; therefore, our aim is to address these issues head-on. At present, our main focus is on progressing research to effectively confront these challenges; however, we foresee a wealth of opportunities in the future where our initiatives could provide both commercial success and societal improvements. As we forge ahead, we remain dedicated to enhancing the safety, functionality, and overall user experience of AI technologies, ensuring they serve humanity's best interests.

The Qwen LLM, developed by Alibaba Cloud's Damo Academy, is an innovative suite of large language models that utilize a vast array of text and code to generate text that closely mimics human language, assist in language translation, create diverse types of creative content, and deliver informative responses to a variety of questions. Notable features of the Qwen LLMs are: A diverse range of model sizes: The Qwen series includes models with parameter counts ranging from 1.8 billion to 72 billion, which allows for a variety of performance levels and applications to be addressed. Open source options: Some versions of Qwen are available as open source, which provides users the opportunity to access and modify the source code to suit their needs. Multilingual proficiency: Qwen models are capable of understanding and translating multiple languages, such as English, Chinese, and French. Wide-ranging functionalities: Beyond generating text and translating languages, Qwen models are adept at answering questions, summarizing information, and even generating programming code, making them versatile tools for many different scenarios. In summary, the Qwen LLM family is distinguished by its broad capabilities and adaptability, making it an invaluable resource for users with varying needs. As technology continues to advance, the potential applications for Qwen LLMs are likely to expand even further, enhancing their utility in numerous fields.

Hugging Face is an AI-driven platform designed for developers, researchers, and businesses to collaborate on machine learning projects. The platform hosts an extensive collection of pre-trained models, datasets, and tools that can be used to solve complex problems in natural language processing, computer vision, and more. With open-source projects like Transformers and Diffusers, Hugging Face provides resources that help accelerate AI development and make machine learning accessible to a broader audience. The platform’s community-driven approach fosters innovation and continuous improvement in AI applications.

Replicate is a robust machine learning platform that empowers developers and organizations to run, fine-tune, and deploy AI models at scale with ease and flexibility. Featuring an extensive library of thousands of community-contributed models, Replicate supports a wide range of AI applications, including image and video generation, speech and music synthesis, and natural language processing. Users can fine-tune models using their own data to create bespoke AI solutions tailored to unique business needs. For deploying custom models, Replicate offers Cog, an open-source packaging tool that simplifies model containerization, API server generation, and cloud deployment while ensuring automatic scaling to handle fluctuating workloads. The platform's usage-based pricing allows teams to efficiently manage costs, paying only for the compute time they actually use across various hardware configurations, from CPUs to multiple high-end GPUs. Replicate also delivers advanced monitoring and logging tools, enabling detailed insight into model predictions and system performance to facilitate debugging and optimization. Trusted by major companies such as Buzzfeed, Unsplash, and Character.ai, Replicate is recognized for making the complex challenges of machine learning infrastructure accessible and manageable. The platform removes barriers for ML practitioners by abstracting away infrastructure complexities like GPU management, dependency conflicts, and model scaling. With easy integration through API calls in popular programming languages like Python, Node.js, and HTTP, teams can rapidly prototype, test, and deploy AI features. Ultimately, Replicate accelerates AI innovation by providing a scalable, reliable, and user-friendly environment for production-ready machine learning.

AI21 Studio offers API access to its Jurassic-1 large language models, which are utilized for text generation and comprehension in countless applications. With our advanced models, you can address any language-related task. The Jurassic-1 models excel at following natural language instructions and require only a handful of examples to adapt to new challenges. Our APIs are ideally suited for standard tasks, including paraphrasing and summarization, providing exceptional results at competitive prices without the need for extensive reworking. If you're looking to fine-tune a personalized model, achieving that is just a few clicks away. The training process is swift and cost-effective, allowing for immediate deployment of the models. By integrating an AI co-writer into your application, you can empower your users with enhanced features. Capabilities such as paraphrasing, long-form draft creation, content repurposing, and tailored auto-complete options can significantly boost user engagement, paving the way for your success and growth in the industry. Ultimately, our tools are designed to streamline your workflows and elevate the overall user experience.

Explore the wide variety of AI APIs designed for applications related to images, videos, audio, and large language models. Novita AI is dedicated to advancing your AI-centric business by offering all-encompassing solutions for model training and hosting that keep pace with the latest technological innovations. With more than 100 available APIs, you can tap into AI functionalities for image generation and modification, utilizing a library of over 10,000 models, along with specialized APIs that focus on training tailored models. Enjoy the advantages of a budget-friendly pay-as-you-go pricing structure that frees you from the burdens of GPU upkeep, enabling you to focus on enhancing your products. Create breathtaking images in as little as 2 seconds using any of the extensive models at your disposal with just a click. Remain up to date with the most recent model advancements from renowned platforms like Civitai and Hugging Face. The Novita API not only supports the development of a wide range of products but also allows for the seamless integration of its capabilities, thereby empowering your offerings quickly and effectively. Consequently, this positions your business to stay ahead and thrive in a rapidly changing market landscape, ensuring you remain both competitive and innovative.

Grok is an innovative artificial intelligence that draws inspiration from the Hitchhiker’s Guide to the Galaxy, designed to handle a diverse range of questions while also encouraging users to think critically through stimulating inquiries. Its talent for providing responses that incorporate humor and a touch of irreverence makes Grok unsuitable for individuals who prefer a more serious tone in their interactions. A notable characteristic of Grok is its ability to access live data via the 𝕏 platform, enabling it to address daring and unconventional queries that other AI systems may avoid. This feature not only broadens its adaptability but also guarantees that users receive answers that are both immediate and captivating. As a result, Grok stands out as a unique option for those seeking a blend of entertainment and information in their AI interactions.

Fireworks partners with leading generative AI researchers to deliver exceptionally efficient models at unmatched speeds. It has been evaluated independently and is celebrated as the fastest provider of inference services. Users can access a selection of powerful models curated by Fireworks, in addition to our unique in-house developed multi-modal and function-calling models. As the second most popular open-source model provider, Fireworks astonishingly produces over a million images daily. Our API, designed to work with OpenAI, streamlines the initiation of your projects with Fireworks. We ensure dedicated deployments for your models, prioritizing both uptime and rapid performance. Fireworks is committed to adhering to HIPAA and SOC2 standards while offering secure VPC and VPN connectivity. You can be confident in meeting your data privacy needs, as you maintain ownership of your data and models. With Fireworks, serverless models are effortlessly hosted, removing the burden of hardware setup or model deployment. Besides our swift performance, Fireworks.ai is dedicated to improving your overall experience in deploying generative AI models efficiently. This commitment to excellence makes Fireworks a standout and dependable partner for those seeking innovative AI solutions. In this rapidly evolving landscape, Fireworks continues to push the boundaries of what generative AI can achieve.

Parasail is an innovative network designed for the deployment of artificial intelligence, providing scalable and cost-efficient access to high-performance GPUs that cater to various AI applications. The platform includes three core services: serverless endpoints for real-time inference, dedicated instances for the deployment of private models, and batch processing options for managing extensive tasks. Users have the flexibility to either implement open-source models such as DeepSeek R1, LLaMA, and Qwen or deploy their own models, supported by a permutation engine that effectively matches workloads to hardware, including NVIDIA’s H100, H200, A100, and 4090 GPUs. The platform's focus on rapid deployment enables users to scale from a single GPU to large clusters within minutes, resulting in significant cost reductions, often cited as being up to 30 times cheaper than conventional cloud services. In addition, Parasail provides day-zero availability for new models and features a user-friendly self-service interface that eliminates the need for long-term contracts and prevents vendor lock-in, thereby enhancing user autonomy and flexibility. This unique combination of offerings positions Parasail as an appealing option for those seeking to utilize advanced AI capabilities without facing the typical limitations associated with traditional cloud computing solutions, ensuring that users can stay ahead in the rapidly evolving tech landscape.

FriendliAI is an innovative platform that acts as an advanced generative AI infrastructure, designed to offer quick, efficient, and reliable inference solutions specifically for production environments. This platform is loaded with a variety of tools and services that enhance the deployment and management of large language models (LLMs) and diverse generative AI applications on a significant scale. One of its standout features, Friendli Endpoints, allows users to develop and deploy custom generative AI models, which not only lowers GPU costs but also accelerates the AI inference process. Moreover, it ensures seamless integration with popular open-source models found on the Hugging Face Hub, providing users with exceptionally rapid and high-performance inference capabilities. FriendliAI employs cutting-edge technologies such as Iteration Batching, the Friendli DNN Library, Friendli TCache, and Native Quantization, resulting in remarkable cost savings (between 50% and 90%), a drastic reduction in GPU requirements (up to six times fewer), enhanced throughput (up to 10.7 times), and a substantial drop in latency (up to 6.2 times). As a result of its forward-thinking strategies, FriendliAI is establishing itself as a pivotal force in the dynamic field of generative AI solutions, fostering innovation and efficiency across various applications. This positions the platform to support a growing number of users seeking to harness the power of generative AI for their specific needs.

Kluster.ai serves as an AI cloud platform specifically designed for developers, facilitating the rapid deployment, scalability, and fine-tuning of large language models (LLMs) with exceptional effectiveness. Developed by a team of developers who understand the intricacies of their needs, it incorporates Adaptive Inference, a flexible service that adjusts in real-time to fluctuating workload demands, ensuring optimal performance and dependable response times. This Adaptive Inference feature offers three distinct processing modes: real-time inference for scenarios that demand minimal latency, asynchronous inference for economical task management with flexible timing, and batch inference for efficiently handling extensive data sets. The platform supports a diverse range of innovative multimodal models suitable for various applications, including chat, vision, and coding, highlighting models such as Meta's Llama 4 Maverick and Scout, Qwen3-235B-A22B, DeepSeek-R1, and Gemma 3. Furthermore, Kluster.ai includes an OpenAI-compatible API, which streamlines the integration of these sophisticated models into developers' applications, thereby augmenting their overall functionality. By doing so, Kluster.ai ultimately equips developers to fully leverage the capabilities of AI technologies in their projects, fostering innovation and efficiency in a rapidly evolving tech landscape.

MiniMax is an AI-driven platform offering a comprehensive suite of tools designed to revolutionize content creation across multiple formats, including text, video, audio, music, and images. Key products include MiniMax Chat for intelligent conversations, Hailuo AI for cinematic video creation, and MiniMax Audio for lifelike voice generation. Their versatile AI models also support music production, image generation, and text creation, helping businesses and individuals enhance creativity and productivity. MiniMax stands out by offering self-developed, cost-efficient models that ensure high performance across a wide range of media. With tools that cater to both seasoned professionals and those new to AI, the platform enables users to efficiently generate high-quality content without requiring extensive technical knowledge. MiniMax's goal is to empower users to unlock the full potential of AI in their creative processes, making it a valuable asset for industries like entertainment, advertising, and digital content creation.

The Databricks Data Intelligence Platform empowers every individual within your organization to effectively utilize data and artificial intelligence. Built on a lakehouse architecture, it creates a unified and transparent foundation for comprehensive data management and governance, further enhanced by a Data Intelligence Engine that identifies the unique attributes of your data. Organizations that thrive across various industries will be those that effectively harness the potential of data and AI. Spanning a wide range of functions from ETL processes to data warehousing and generative AI, Databricks simplifies and accelerates the achievement of your data and AI aspirations. By integrating generative AI with the synergistic benefits of a lakehouse, Databricks energizes a Data Intelligence Engine that understands the specific semantics of your data. This capability allows the platform to automatically optimize performance and manage infrastructure in a way that is customized to the requirements of your organization. Moreover, the Data Intelligence Engine is designed to recognize the unique terminology of your business, making the search and exploration of new data as easy as asking a question to a peer, thereby enhancing collaboration and efficiency. This progressive approach not only reshapes how organizations engage with their data but also cultivates a culture of informed decision-making and deeper insights, ultimately leading to sustained competitive advantages.