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Practical answers on AI integration, AI agents, automation and MVP development, from the team that ships these systems for startups and B2B companies.

MVP guide How much does it cost to build an MVP in 2026? MVP development cost in 2026: our ranges by scope ($10k to $50k, most $10k to $20k), a US/UK agency comparison, what drives the price and what AI adds. Read guide MVP guide How to build an MVP step by step: a week-by-week process The MVP development process step by step: discovery, scope cutting, design, build sprints, QA and launch, with a 12-week plan, roles and common mistakes. Read guide Buyer's checklist How to choose an AI development company: a checklist for buyers How to choose an AI development company in 2026: a scorecard, questions on RAG, evaluation, data privacy and costs, and red flags to walk away from. Read guide Outsourcing guide Outsourcing software development to Ukraine in 2026: costs, time zones and risks Outsourcing software development to Ukraine in 2026: typical rates vs US, UK, Poland and LatAm, time zone overlap, war-time continuity, contracts and IP. Read guide Pricing guide Fixed price AI development: how it works, what it costs and when it breaks How fixed price AI development works: what a fixed-price AI project or proof of concept costs, when the model breaks, and how to scope a 4-week AI sprint. Read guide Cost guide How much does it cost to build an AI agent in 2026? AI agent development cost in 2026: our ranges by complexity from $10k, a US/UK agency comparison, build vs buy, and monthly token and hosting costs. Read guide Customer service AI AI agents for customer service: what they can do, build vs buy, and how to roll one out AI agents for customer service in 2026: what they handle well, off-the-shelf vs custom, helpdesk and CRM integration, human handover and rollout metrics. Read guide AI automation Which business processes should you automate with AI first? Which business processes to automate with AI first: a scoring framework for volume, rule clarity and error cost, ROI math, and real dispatch and CRM cases. Read guide Model Context Protocol What is an MCP server, and does your product need one? What an MCP server is: how the Model Context Protocol gives AI assistants tools, resources and prompts, plus auth, security and when a SaaS needs one. Read guide AI integration guide How to integrate ChatGPT or Claude into your product: a step-by-step guide How to integrate ChatGPT or Claude into your SaaS, step by step: model choice, prompts, RAG, streaming, guardrails, evaluation, privacy and cost control. Read guide RAG guide RAG implementation guide: architecture, chunking, vector databases and evaluation RAG implementation guide for business: ingestion, chunking, embeddings, vector databases, hybrid search, permissions, evaluation and common failures. Read guide Tech stack guide Symfony vs Laravel for SaaS in 2026: an honest comparison Symfony vs Laravel for SaaS in 2026: architecture, maintainability, APIs, queues, testing, hiring, performance and release cycles, with a clear verdict. Read guide Cost guide How much does AI app development cost in 2026? AI app development cost in 2026: our ranges for AI web and mobile apps by scope (AI features from $10k), US/UK agency comparison, monthly model costs. Read guide Cost guide How much does AI chatbot development cost in 2026? AI chatbot development cost in 2026: our ranges by complexity (from $10k), a US/UK agency comparison, build vs buy, and monthly token and hosting costs. Read guide Outsourcing guide How much does offshore software development cost in 2026? Offshore software development cost in 2026: hourly rates by region, the hidden costs buyers miss, and total cost of ownership compared with in-house. Read guide Engagement models Dedicated team vs fixed price vs time and materials: which model fits your project? Dedicated team vs fixed price vs time and materials: how each model works, which projects it fits, the real risks, and the contract terms to insist on. Read guide Outsourcing guide Nearshore vs offshore software development: which model fits your company? Nearshore vs offshore software development: time zones, cost, communication, legal terms, risk, and why Ukraine is nearshore for the EU but not the US. Read guide React cost guide How much does React development cost in 2026? React development cost in 2026: our ranges by scope from $10,000, a US/UK agency comparison, React Native and Next.js costs, hiring and monthly run costs. Read guide Company list, updated October 2026 Top SaaS development companies in 2026: 10 teams and how to choose Top SaaS development companies in 2026: our criteria, 10 firms from Europe, the US and India with HQ and focus, and a comparison table for your shortlist. Read guide Company list, updated October 2026 Best AI agent development companies in 2026: 10 firms and how to choose Best AI agent development companies in 2026: 10 firms from the US, Europe and India with HQ and focus, our criteria, a comparison table and what to ask. Read guide Company list, updated October 2026 MVP development companies in Eastern Europe: 10 teams in Ukraine, Poland and Romania MVP development companies in Eastern Europe for 2026: 10 teams in Ukraine, Poland and Romania, our criteria, a comparison table and how to pick one. Read guide Mobile stack guide React Native vs Flutter in 2026: how to choose for your mobile app React Native vs Flutter: rendering, performance, code sharing with web, hiring, cost and maintenance, with a clear verdict from a team that ships both. Read guide Front-end stack guide Next.js vs React in 2026: when a plain React app is enough and when you need Next.js Next.js vs React with Vite in 2026: rendering, SEO, hosting, complexity, cost and team fit, with a decision table and a verdict for SaaS and marketplaces. Read guide Back-end stack guide Node.js vs PHP for a SaaS back end in 2026: an honest comparison Node.js vs PHP for a SaaS back end: runtime model, real time, AI streaming, business logic, admin tooling, hosting, hiring and cost, with a clear verdict. Read guide AI stack guide Python vs Node.js for an AI back end in 2026: which to use, and when to use both Python vs Node.js for AI products: LLM APIs, streaming, RAG, agents, fine-tuning, data pipelines, hosting and hiring, with a decision table and verdict. Read guide PHP modernization guide How to modernize a legacy PHP application in 2026: a step-by-step plan without a rewrite A step-by-step plan to modernize legacy PHP: audit, PHP 8.x upgrade path, tests first, strangler pattern, Symfony migration and AI, without a rewrite. Read guide Laravel cost guide How much does Laravel development cost in 2026? Laravel development cost in 2026: project prices by scope, typical developer rates by region, upgrade and maintenance costs, and how to compare quotes. Read guide Laravel AI guide How to add OpenAI or Claude to a Laravel app: a production guide Add OpenAI or Claude to a Laravel app: HTTP client or SDK, queued jobs, streaming, prompt storage, RAG with pgvector, cost limits and tests with fakes. Read guide Symfony AI guide How to add AI to a Symfony app: OpenAI and Claude with HttpClient, Messenger and pgvector Add OpenAI or Claude to a Symfony app: scoped HttpClient, Messenger for async calls, streamed responses, Doctrine with pgvector and the rate limiter. Read guide LLM provider comparison Claude API vs OpenAI API in 2026: an honest comparison for business apps Claude API vs OpenAI API for business apps: tool use, structured output, long context, prompt caching, pricing model, data policies and when to use both. Read guide MCP engineering guide How to build an MCP server for your SaaS: a step-by-step guide Step-by-step MCP server tutorial for SaaS: tool design, OAuth, read vs write tools, drafts, logging, tests with Claude and ChatGPT, TypeScript code. Read guide Company list, updated October 2026 Best MCP server development companies in 2026: 8 firms and how to choose Best MCP server development companies in 2026: 8 firms from Poland and Ukraine with public MCP work, our criteria, a comparison table and what to ask. Read guide AI proof of concept guide How to run an AI proof of concept in 4 weeks: success criteria, eval set and go or no-go How to run an AI proof of concept in 4 weeks: one question, success criteria, an eval set of real data, week-by-week plan, go or no-go rules and cost. Read guide

AI and product development services

Services AI Sprint One month, one fixed price, one working result in production: an AI feature in your product, an AI agent that does a real job, or an assistant that answers from your own data. View service Services AI proof of concept A short, fixed-price project that answers one question with evidence: can AI do this job on your data, accurately enough and cheaply enough to be worth building? View service Services AI integration How we add LLM features to a product that already has users, data and a codebase, without breaking what works: architecture, guardrails, timeline and what drives cost. View service Services Claude API integration How we build product features on the Anthropic Claude API: model tier choice, tool use, prompt caching, long documents, MCP, batch jobs, guardrails and running cost. View service Services OpenAI API integration How we build product features on the OpenAI API: model choice, the Responses API, function calling, structured outputs, embeddings, migration from older APIs and running cost. View service Services AI agent development What a business AI agent really is, which tasks it handles well, how we design the tools, permissions and approval steps around it, and what building one costs. View service Services MCP server development We design, build and host Model Context Protocol servers that let AI assistants search, read and act in your SaaS or internal system with each user's own permissions. View service Services AI automation For companies that want repetitive back-office work done by software: which processes to automate first, when AI is needed and when plain rules are better, and how a rollout looks. View service Services AI chatbot development How a custom AI chatbot that answers from your own knowledge is built: grounding with RAG, handover to people, channels, accuracy testing, timeline and cost drivers. View service Services RAG and LLM development We build retrieval-augmented generation (RAG) systems that let an LLM answer from your documents, tickets and databases, with sources, access control and measured accuracy. View service Services MVP development We help founders and product teams turn an idea into a working product real users can pay for, with a week-by-week plan, honest scope cutting and AI features where they actually help. View service Services SaaS development We design and build SaaS products end to end, from the first paying customer to a platform with teams, plans, integrations and an admin your staff can run. View service Services Symfony and PHP development Symfony is our core back-end stack. We build new Symfony applications, upgrade and rescue legacy PHP code, and provide dedicated Symfony teams for long-running products. View service Services AI audit An engineering review of one product: where AI features belong in it, whether your data supports them, and how the AI code you already run holds up on quality, security and cost. View service Services AI consulting A short assessment that tells you which AI use cases are worth building, what they will cost to build and run, and what to do first, written by the engineers who would then build it. View service Services Generative AI development How we build products whose core value is generated text or reasoning: copilots, document generators, writing tools and persona assistants, from model choice to quality control in production. View service Services Dedicated team How a dedicated software development team from Lytvynov Production is put together, onboarded and managed, and what you should expect about reporting, replacements, ownership and cost. View service Services AI product development The stages an AI product goes through between an idea and a product people pay for, what each stage must prove, and how we run them with our clients and for our own products. View service Services React development We build React and Next.js web apps and React Native mobile apps together with the back end behind them, so one senior team owns the product from database to screen. View service Services Software development company, Ukraine Who we are, how we work with clients abroad from Ukraine, how contracts and payments are set up, how we keep delivery running during the war, and what we build. View service Services Laravel development We are a senior PHP team. We take over and maintain Laravel codebases, build Laravel APIs and admin panels, and add OpenAI or Claude features to Laravel apps, without pushing you to switch frameworks. View service Services PHP development PHP is our core back-end language. We build new PHP products on Symfony, modernize legacy PHP code without a big-bang rewrite, upgrade old PHP versions to PHP 8 and add AI features to existing PHP applications. View service Services Node.js development We build Node.js back ends in TypeScript for products that are JavaScript end to end, need real-time updates, or stream AI answers to the browser, together with the React and React Native apps on top. View service Services Next.js development We use Next.js where public pages must rank in search and load fast: marketing sites, marketplaces, catalogs and public profiles, connected to a Symfony or Node.js back end built by the same team. View service Services Python development We use Python where it is strongest: AI and machine learning services, FastAPI back ends for models, data ingestion pipelines and RAG, connected to the PHP, Node.js or React product around them. View service Services React Native development We build cross-platform iOS and Android apps in React Native, together with the React web app and the back end, so one senior team owns the product from database to app store. View service Services Flutter development We build Flutter apps for iOS and Android from one codebase, together with the back end, admin panel and landing page, from design to App Store and Google Play release. View service
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