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Quiero desarrollar una aplicación web cuya función principal sea ofrecer un chat impulsado por inteligencia artificial. La idea es disponer de una interfaz sencilla donde el usuario escriba sus consultas y obtenga respuestas en tiempo real, mientras se controla el consumo de tokens o el tiempo de uso. Alcance inicial - Backend (Node.js, Python o similar) que consuma la API de IA correspondiente y optimice la reducción de tokens. - Frontend responsivo (React, Vue u otra tecnología web moderna) con: cuadro de texto, historial de conversación y contador visible de tokens/segundos. - Autenticación simple por correo electrónico o login social. - Documentación clara sobre instalación y despliegue (Vercel, Render u otro hosting estándar). Valoraré código limpio, comentarios explicativos y entrega en un repositorio Git. Si puedes poner en marcha este prototipo rápido y eficiente, estaré encantado de trabajar contigo.
Project ID: 40660536
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150 freelancers are bidding on average $136 USD for this job

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in JavaScript, HTML5, Node.js, AI Chatbot Development, AI Development, Python As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen
$140 USD in 10 days
8.0
8.0

Hi there, I understand you need a web chat application powered by AI with optimized response times and reduced token usage. I can build a robust solution using Node.js, Python, and modern AI integration that will deliver fast responses while minimizing token consumption. My approach includes implementing efficient prompt engineering techniques, optimizing token usage through smart caching mechanisms, and creating a clean HTML5/JavaScript interface that communicates seamlessly with your AI backend. I'll focus on reducing response time by pre-processing queries and implementing intelligent session management to minimize redundant token processing. The application will feature smooth user interaction with real-time messaging capabilities, proper error handling, and scalable architecture that can handle multiple concurrent users efficiently. I'll ensure the system maintains high performance even as token usage increases. Best Regards, Khorshed Alam, RS Software
$150 USD in 6 days
8.0
8.0

Hi Valuable Client, We can design an intuitive, high-engagement UI/UX for your in-house Android community app, strictly adhering to Google’s Material Design 3 guidelines to deliver a smooth, native Android experience. Our UI/UX Methodology: User Flow & Wireframing: Map core community interaction loops (feed navigation, group spaces, discussion threads, member profiles) to eliminate friction and maximize daily engagement. Interactive Prototyping (Figma): Develop low-fidelity wireframes followed by clickable prototypes to test usability, layout hierarchy, and touch ergonomics specifically tailored for modern Android devices. Design System & Component Library: Establish a scalable visual language (typography scale, adaptive dark/light themes, custom iconography, micro-interactions) ensuring visual consistency across all app screens. Usability QA & Developer Handoff: Conduct layout edge-case testing and deliver production-ready Figma specs with auto-layout tokens and exported assets for effortless developer handoff. We have extensive experience designing scalable community and mobile platforms. Let's connect to review our portfolio and discuss your core feature roadmap!
$140 USD in 15 days
7.7
7.7

Hola, puedo ayudarte con este prototipo de chat IA y dejarlo funcionando de forma limpia y rápida. Tengo experiencia construyendo apps web con frontend moderno, backend conectado a APIs de IA y control de uso para reducir costos. Me enfocaré en una interfaz simple, respuestas en tiempo real, contador visible y código bien organizado en repositorio Git. Si quieres, también puedo proponer la mejor estructura entre Node/React o Python/React según lo que busques para el despliegue.
$240 USD in 7 days
7.4
7.4

Hola! Esto lo podemos armar sin problema. Una cosa que necesito entender antes de darte un número: el contador de tokens/tiempo, ¿es solo informativo para el usuario, o querés que corte el acceso cuando se agota un límite? Eso cambia bastante lo que hay detrás. Lo armaríamos con un backend liviano que gestiona las llamadas a la API de IA y aplica algunas técnicas para no desperdiciar tokens (recorte de historial, prompts eficientes). El frontend sería simple y responsivo, con todo lo que mencionás visible en pantalla. Auth básica con correo o login social no es problema. Contame eso y arrancamos. Gustavo & el team DoTheCode
$250 USD in 20 days
7.4
7.4

Hi, Siento que este proyecto necesita más que un chat con IA: busca controlar el coste antes de que el uso crezca. Puedo ayudarte a construir una web app limpia, con backend en Node.js o Python para consumir la API de IA, optimizar tokens y mostrar en tiempo real el contador de uso. Tengo experiencia en aplicaciones web, integraciones API, autenticación básica y paneles responsivos con React. También puedo dejarte una base sólida para despliegue en Vercel o Render, con código claro, comentarios útiles y repositorio Git listo para continuar. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Puedo empezar por el flujo mínimo: login, chat, historial y medición de tokens/segundos, y luego ajustar la lógica de ahorro para que el prototipo sea eficiente de verdad. ¿Quieres que el contador mida tokens por mensaje, por sesión, o ambos para que el uso no se te escape por la puerta? Quedo atento para definir el alcance exacto y avanzar con una propuesta precisa. Thanks, Asad
$75 USD in 3 days
7.2
7.2

My name is Joseph Andrew. With 14 years in the Software Industry, I can guarantee that my wealth of experience matches perfectly with the job description. My AI expertise aligns directly with your project needs for developing an application that utilizes intelligence to provide real-time responses reducing token usage. As a proven Software Engineer, I have specialized in developing high-performing and scalable systems using Python and other similar technologies, making me an ideal candidate for this project. By employing my extensive knowledge of AWS, particularly Lambda and S3, I will ensure efficient consumption of tokens through API integration and data pipelines. Additionally, with my keen eye for detail, I assure you clean codes accompanied by detailed explanatory comments in a Git repository. In conclusion, I am confident in my ability to efficiently utilize technology such as Node.js, React.js and Vue.js to develop a responsive front-end interface as requested. Together with my proficiency in ensuring simple authentication using email or social login as well as documenting installation and deployment processes, your ideal product will be delivered promptly. So let's make artificial intelligence work naturally for your chat application!
$140 USD in 7 days
6.7
6.7

Hello, I'm Denis, a developer who has built AI-driven web systems with optimized token usage and real-time performance in mind. Your project needs a clean, responsive chat interface that minimizes token consumption while keeping responses fast. The backend should handle API calls efficiently—likely using Python or Node.js with streaming responses to control token flow. For the frontend, a lightweight React or Vue setup with a visible token counter and conversation history will give users clear feedback. Adding simple auth (email or social) keeps things straightforward, and standard hosting like Vercel or Render will make deployment smooth. I’ve worked on similar systems where token efficiency and UI responsiveness were critical, especially when dealing with rate-limited APIs. The setup would start with a lean backend prototype, testing token reduction strategies like prompt trimming or response truncation before expanding. For risks, unclear API rate limits or unexpected token costs could slow things down, but these are manageable with early testing and logging. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
$30 USD in 2 days
6.4
6.4

Hi, I can build your AI chat MVP with a responsive React frontend, Node.js/Python backend, AI API integration, real-time responses, chat history, token/time tracking, and email/social login. I’ll optimize token usage, keep the code clean, and provide Git repository + clear Vercel/Render deployment documentation. I have 10+ years of development experience and can deliver a fast, reliable prototype matching your requirements. Thank you Regards, Sai
$100 USD in 3 days
6.3
6.3

As a seasoned Full-Stack software engineer with a wealth of experience in both Web and Mobile applications, I am confident in my ability to build the intelligent chat application that you seek. Leveraging my proficiency in backend technologies Node.js, Python and my extensive knowledge on building responsive frontends using React, Vue or similar technologies, I'll ensure you get a well functioning application that optimizes token usage whilst providing real-time responses to users. Additionally, I understand the importance of robust authentication systems in maintaining user privacy and data security, hence I'll implement a simple yet effective authentication process through email or social login to fit your needs. Moreover, I bring with me an ingrained passion for maintaining clean code structure along with comprehensible commenting practices, all of which will ensure even after project completion, future updates and iterations remain accessible. Prompt and concise communication is something I've always valued with clients; so expect daily updates from myself ensuring transparency throughout the project development. If efficiency and productivity drive your search for the right freelancer, let's stop searching. Let's get started on crafting a prototype that exceeds expectations!
$100 USD in 2 days
6.6
6.6

Hi there, Your AI chat prototype is a project I’d be happy to take on, especially the focus on real-time responses while keeping token/time usage visible and controlled. With 8+ years of experience in Node.js development, I can build a clean backend and responsive frontend that stays simple and efficient. My core stack includes Node.js, Express, NestJS, MongoDB, MySQL, PostgreSQL, REST APIs, payment gateways, and AWS. For this project, I can integrate the AI API, handle conversation history and token tracking, build email/social authentication, and structure the backend for efficient API usage and token optimization. I’ve built SaaS-style applications with real-time features, authentication, third-party API integrations, and responsive admin/user interfaces. I’m also comfortable with deployment and can provide clear Git-based documentation for Vercel, Render, or similar hosting. I can start with a focused MVP and keep the architecture flexible for future AI features. Happy to discuss the AI API you plan to use and the expected timeline. Best, Jafarali
$200 USD in 15 days
6.3
6.3

He revisado tu alcance y sí encaja muy bien con un MVP eficiente. Puedo desarrollar el chat web con autenticación básica, historial de conversación, contador de tokens o tiempo y documentación clara para despliegue en Vercel o Render. Trabajo con código limpio y comentado, para que luego sea fácil de ampliar. La idea sería entregarte algo funcional, rápido y bien estructurado desde el inicio.
$230 USD in 7 days
6.0
6.0

Hello, I can help optimize and improve your existing AI chat web application, with a strong focus on reducing token consumption and improving response times without negatively affecting response quality. What I can handle Review the existing frontend and backend architecture Analyze the AI API request flow and identify unnecessary token usage Optimize prompts, context, and conversation history so only relevant information is sent Implement context-reduction and reuse strategies where appropriate Improve response streaming to reduce perceived latency Implement the visible token/usage and time counter Optimize conversation history storage and retrieval Review the existing authentication flow Optimize communication between frontend and backend Add usage limits and consumption controls where required I’ll begin by analyzing the existing application and measuring where tokens and response time are being consumed unnecessarily. This allows me to optimize the actual bottlenecks rather than adding unnecessary complexity. I can start immediately and prioritize the main chat/API flow first, so we can measure the improvement in token usage and response time before completing the remaining enhancements. Best regards, ADEEL
$90 USD in 7 days
6.1
6.1

Hello, I can help you build and optimize this AI chat application with the main focus on fast responses, lower token consumption, and a clean real-time user experience. I understand the goal is not to over-engineer the prototype, but to create a reliable foundation that can be deployed quickly and improved as usage grows. What I’ll deliver Responsive modern AI chat interface Real-time/streaming AI responses Conversation history Visible token/usage counter Usage/time tracking Email or social authentication Secure backend API integration Node.js or Python backend Token optimization and prompt-size reduction Conversation context management Efficient API request handling Error handling and loading states Git repository with clean, commented code I’ll specifically review the architecture for unnecessary token usage and latency, including: Context summarization when appropriate Avoiding duplicate API calls Streaming responses for better perceived speed Efficient frontend/backend communication Usage tracking and safeguards The objective is to reduce actual API consumption without noticeably reducing answer quality, while making responses feel significantly faster to the user. I’m ready to start immediately and can first establish the existing requirements/API flow, then implement the chat interface, optimization layer, authentication, usage tracking, and deployment documentation. Best regards, RAHEEL
$90 USD in 7 days
5.9
5.9

Hola, La app de chat IA ya funciona; el punto crítico es reducir tokens y tiempos sin romper la experiencia en tiempo real. He pasado los últimos 4 años resolviendo exactamente este tipo de problema: he optimizado chatbots con streaming, control de uso por sesión y paneles de consumo en producción. El riesgo real aquí no es solo conectar una API, sino evitar que el historial crezca sin control, medir consumo con precisión y mantener respuestas ágiles bajo carga. También hay que separar bien autenticación, límite de uso y capa de orquestación para que el prototipo sea escalable desde el día uno. Yo montaría un backend en Node.js o Python con streaming de respuestas, resumen automático de contexto y conteo de tokens por mensaje. En el frontend construiría una interfaz responsive con historial persistente, contador visible de tokens/segundos y login simple por email o social. Además, dejaría el proyecto documentado para desplegarlo en Vercel o Render y subirlo a Git limpio. Trabajo con entregas aisladas y código comentado para que puedas probar cada parte sin sorpresas. Gracias, John allen.
$155 USD in 1 day
5.8
5.8

Having a solid background in both AI and full-stack development with a strong command over JavaScript, Node.js, and Python; I believe I'm the right fit for your project. The main aim of my work is geared towards creating impactful AI-powered solutions that not only function effectively but also provide an engaging user experience. I have experience working with similar technologies like React, Vue, and Node.js alongside AI APIs. Additionally, I'm accustomed to optimizing token usage efficiently and can assist in reducing token consumption in the most effective manner for your web application. ChatGPT and OpenAI as part of my areas of expertise is another plus for this task as they automate better responses in real-time scenarios. You mentioned valorizing clean codebases and clear documentations - expect nothing short of that from me. With every project I undertake, my primary goal remains being able to deliver high-quality work promptly. In summary, if you're looking for an AI Engineer/Full-stack Developer who can smoothly handle all aspects of your web application, from backend (utilizing game-changer technologies like Node.js) to frontend (employing modern UI frameworks like React or Vue), then let's get started. Put simply, I possess the tech stack você're looking for as well as a genuine understanding of how this application can help make resource allocation more efficient while delivering real-time results. Partner with me and let's create something efficacious!
$100 USD in 3 days
5.8
5.8

Hello, I can optimize your AI chat web app to reduce token usage and speed up responses, keeping the Node.js or Python backend, responsive frontend, token counter, and simple auth intact. I can start today. I will trim prompts, cache repeated context, and stream responses so users see replies faster while tokens drop noticeably. Questions: 1) Which AI provider and model are you using now? 2) Is the current code in a Git repo I can review? Looking forward to discussing further. Regards, Shayan.
$55 USD in 3 days
5.4
5.4

As a full-stack developer with extensive experience in AI-powered applications, I believe I am the best fit for your project. Through my work on similar projects, I have developed a deep understanding of how to optimize token reduction and reduce response time, which aligns perfectly with your desired goals. Leveraging backend technologies like Node.js and Python, I ensure efficient consumption of API's to provide real-time responses with minimal token usage. On the front-end, I have solid expertise in modern frameworks like React and Vue.js, which are perfectly suited for creating the simple yet interactive user interface you envision. Not only will it include all the required features like a text box for queries, conversation history, and visible token/second counter - but I will also prioritize ensuring that it is mobile-responsive for a seamless experience across devices. Beyond the project scope, I emphasize excellent documentation and version control through Git repositories. This guarantees maximum transparency & flexibility for you. My work ethic revolves around providing scalable, high-quality solutions, which makes me especially attentive to clean codes & explanatory comments that enable smooth maintenance and extensions. Whether it's integrating simple email or social logins for authentication or deploying the application on Vercel or Render - you can confidently rely on me to meticulously hand over clear instructions
$30 USD in 7 days
5.8
5.8

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. I believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$140 USD in 7 days
5.4
5.4

Un gusto hablarte y conocerte , Mi nombre es Anthony Muñoz, expreso mi interés en trabajar en su proyecto después de leer cuidadosamente los requisitos y concluir que coinciden con mi área de conocimiento y habilidades. Actualmente soy el ingeniero líder de la agencia de TI DSPro y tengo más de 10 años de experiencia en el campo. He realizado con éxito un gran número de trabajos similares y considero tu proyecto un reto en el que me gustaría trabajar y poder hacerlo realidad. No dude en ponerse en contacto conmigo, será un placer ayudarle. Agradezco mucho el tiempo brindado y quedo atento a cualquier duda o inquietud. Saludos
$128 USD in 7 days
5.8
5.8

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