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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 MVP development cost in 2026: how much does it cost to build an MVP? MVP development cost in 2026: our ranges by scope ($10k to $50k, most $10k to $20k), UK and US agency comparison, MVP pricing models and AI MVP cost. Read guide Cost guide Custom software development cost in 2026: price ranges by project type Custom software and app development cost in 2026: our ranges by project type from $10k, US/UK agency comparison, what moves the price and running costs. 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 CRM guide Custom CRM development in 2026: cost, timeline, and when it beats Salesforce or HubSpot Custom CRM development in 2026: our price ranges from $10k, timelines by scope, a 3-year cost comparison with Salesforce and HubSpot, and a fit checklist. Read guide CRM decision guide Custom CRM vs HubSpot: when building your own pays off Custom CRM vs HubSpot for 10-200 person companies: a 3-year cost comparison at 25 and 60 users, a checklist for when to stay, the hybrid option and migration. Read guide ERP guide Custom ERP for a 10-60 person company: what it costs and how to scope it Custom ERP development cost for a 10-60 person company: our ranges ($40k to $90k for a full system), module-by-module scoping, timelines and hidden costs. 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 Buyer's checklist How to choose a custom software development company: 12 questions to ask before you sign How to choose a custom software development company: 12 questions to ask before you sign, what good answers sound like, a scoring table and red flags. Read guide Founder guide Fractional CTO, agency or in-house team: what a non-technical founder should pick Fractional CTO, agency or in-house team? Costs per month, what each actually does, which fits each startup stage, and the combinations that work. Read guide Outsourcing guide Software development outsourcing to Ukraine in 2026: costs, time zones, war-time risks and contracts How to outsource software development to Ukraine in 2026: cost vs the US, UK and Poland, time zone overlap, war-time continuity, contracts and IP. Read guide Rates guide Software developer rates in Ukraine in 2026: agencies, freelancers and in-house Ukraine developer rates in 2026 by role and seniority: salaries from DOU, freelance rates, agency rates, what an agency rate includes and in-house costs. Read guide Salary research Software developer salaries in Ukraine 2026: by role, stack and seniority Ukraine developer salaries in 2026: median net pay by role, seniority, language, city and English level from 12,000+ DOU survey answers and Djinni data. 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 Free template Software requirements specification template for a fixed-price project (free download) Free software requirements specification template for a fixed-price project: 12 sections, a filled example, acceptance criteria and a Word download. Read guide Pricing models Fixed price vs time and materials: how to choose for software, AI and MVP projects Fixed price vs time and materials for software, AI and MVP work: a cost example, when each fits, hybrid models and the contract clauses to check. Read guide Cost guide AI agent development cost in 2026: how much does it cost to build an AI agent? AI agent development cost in 2026: ranges by complexity from $10k, a cost breakdown, how to estimate a custom AI agent, and what it costs per month to run. 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 AI automation What an AI automation agency actually does (and what it should cost you) What an AI automation agency does: the three types of agency, deliverables to expect, pricing models and our ranges from $10k, and how to vet one. Read guide AI automation AI invoice and document processing: how it works and what it costs How AI invoice and document processing works: the 6-step pipeline, realistic accuracy, off-the-shelf vs custom, build cost from $10k and cost per page. Read guide AI agent examples AI agents for business: 15 real examples by department 15 AI agent examples for business by department: sales, support, operations, finance, HR and engineering, with the tools each needs, risk level and cost. Read guide AI agent guide How to build an AI agent for your business: a 30-day plan from PoC to production How to build an AI agent for business in 30 days: pick the task, design tools and permissions, build an eval set, ship in shadow mode, then go live. Read guide Voice AI guide AI voice agent for business: custom build vs off-the-shelf AI receptionist AI voice agent for business in 2026: off-the-shelf AI receptionist vs voice platform vs custom build, cost per minute, latency, legal rules and rollout. Read guide Automation guide n8n vs Zapier vs custom code: when your automation outgrows no-code n8n vs Zapier vs custom code in 2026: how pricing scales with volume, what each handles well, 9 signs you have outgrown no-code and what a move costs. 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 ChatGPT and Claude integration: how to add one or both to your product, step by step How to integrate ChatGPT and Claude into your app in 10 steps: use one or both behind one interface, RAG, tool calling, guardrails, evaluation 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 AI architecture RAG vs fine-tuning: which one your business actually needs RAG vs fine-tuning for business: a decision test, 10 use cases, build and running costs, data you need, and when to combine both or use neither. 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 in 2026: which model fits your company? Nearshore means 0-3 hours of time difference, offshore 6-12. Compare cost, overlap, contracts and risk, and see why Ukraine is nearshore for the EU and UK. 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 November 2026 Best AI agent development companies in 2026: 10 agentic AI development firms and how to choose Best AI agent development companies in 2026: 10 agentic AI development firms from the US, Europe and India, what an agentic AI company does and how to evaluate one. Read guide Company list, updated October 2026 MVP development companies in Eastern Europe: 10 teams in Ukraine, Poland and Romania 10 MVP development companies in Ukraine, Poland and Romania for 2026: who each fits, a comparison table, typical MVP cost ($10k-$50k) and 7 questions to ask. 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: which to choose, and when Node.js vs PHP for a SaaS back end in 2026: Node.js for real time and AI streaming, PHP for billing, roles and back office. 11-point table and 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 Modernization guide Legacy software modernization: rewrite, refactor or replace (with cost ranges) Legacy software modernization for a 10-60 person company: when to refactor, rewrite or replace, a scoring table, costs from $10k and a migration plan. 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 Symfony AI guide Symfony AI in production: Platform, Agent, Store and the MCP bundle explained Symfony AI explained for production: Platform, Agent, Store, AI Bundle and MCP Bundle, with config, code, cost logging, retries, tests and current status. 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 PHP AI library comparison, October 2026 Laravel AI SDK vs Prism vs Symfony AI vs LLPhant: which PHP AI library to use in 2026 PHP AI libraries compared for 2026: Laravel AI SDK, Prism, Symfony AI and LLPhant - versions, PHP requirements, providers, tools, RAG, tests and which to pick. Read guide PHP LLM API checklist, October 2026 OpenAI and Claude APIs in PHP: a production checklist for retries, timeouts, streaming, caching and cost Calling OpenAI or Claude from PHP in production: which SDK, retries that actually fire on POST, timeouts, streaming through PHP-FPM, caching, batch and cost logging. 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 for an agent, chatbot or document workflow in 4 weeks: success criteria, a real eval set, weekly plan, go or no-go and cost. Read guide Free tool LLM API cost calculator: what an AI feature costs per user per month on OpenAI, Claude and Gemini Free LLM API cost calculator for OpenAI, Claude and Gemini. Estimate the monthly cost of an AI feature per user, with prompt caching and Batch API discounts. Read guide AI cost guide OpenAI and Claude API cost for a real product: three workloads, real monthly bills OpenAI and Claude API cost in 2026 for three business workloads: document extraction, a tool-using agent and a SaaS feature, with full monthly bills. Read guide Symfony upgrade guide Symfony 6.4 end of life: how to upgrade to Symfony 7.4 LTS, with a plan, timeline and real cost Symfony 6.4 bug fixes end in November 2026, security fixes in November 2027. A step-by-step plan, timeline and cost to upgrade to Symfony 7.4 LTS. Read guide PHP RAG guide RAG in PHP: retrieval on Symfony and PostgreSQL pgvector (code, costs, mistakes) Build RAG in PHP with Symfony and pgvector: HNSW migration, chunking, Messenger embeddings, tenant-safe DBAL search, citations, evals and real costs. Read guide PHP and Symfony MCP guide MCP server for a Symfony app: the official PHP SDK or a Node sidecar? Build an MCP server for a Symfony/PHP app: official PHP SDK and MCP Bundle vs a separate Node service. Code, transports, auth and lessons from production. Read guide RAG cost guide, November 2026 RAG chatbot cost in 2026: what it costs to build, and what it costs every month What a RAG chatbot over your documents costs: build ranges, cost per answer on Claude and OpenAI models, indexing, vector database and a year-one total. Read guide AI agent security guide How to give an AI agent safe write access to your CRM, ERP, Slack and Jira Safe write access for AI agents: per-user OAuth scopes, action allow-lists, approvals, idempotency, audit logs, prompt-injection limits, PoC and cost. Read guide AI decision guide AI agent vs chatbot vs automation: a 3-question test before you pay anyone AI agent, chatbot or plain automation? A 3-question test, what each costs to build and run, and why most first projects need an LLM step, not an agent. Read guide
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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 Fractional CTO Anton Lytvynov, founder of Lytvynov Production, works as your part-time CTO: he makes the technical decisions with you, checks the people who build your product and keeps you in control of it, one or two days a week. View service Services Technical due diligence A two-week, fixed-price review of a software product by a senior architect: what is solid, what is risky, what it will cost to fix, written so founders, investors and buyers can act on it. View service Services Fractional CTO for startups For founders who are about to spend serious money on a first product and want a senior technical person on their side: before the vendor is chosen, while the MVP is built and when investors start asking technical questions. 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 Fractional AI CTO For companies that want to use AI in their product or operations but have nobody senior to decide what is worth building, what it will cost every month and how to keep customer data safe. View service Services Interim CTO When a CTO or technical co-founder leaves, someone has to own the technology the next morning. An interim CTO keeps the team shipping, secures what only the previous CTO knew and helps you choose the permanent one. View service Services Independent code review For founders and managers who pay an agency or freelancers every month and cannot tell whether the work is good, whether the estimate is fair or what happens if the vendor walks away. 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 Custom software development We design, build and maintain software that does not exist off the shelf: products you sell, systems your team runs on, and AI features inside both. View service Services Custom CRM and ERP development We build internal business systems for companies that have outgrown spreadsheets and off-the-shelf CRMs: one platform where sales, operations, warehouse and management work on the same data. 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 Services Real estate 3D visualization For developers, agents and owners who sell apartments, penthouses and villas before they are finished, and need buyers to see the finished home, not the concrete shell. View service Services Off-plan property marketing For developers and agents selling apartments before they are finished: a sales page where buyers watch the shell become the home they are buying. View service Services Real estate virtual tour For developers and agents who want buyers to look around the finished rooms themselves, before a camera could photograph them. View service Services 3D floor plan from photos For developers, agents and owners with a floor plan and photos of an empty or unfinished apartment, who need buyers to understand the layout at a glance. View service Services Virtual staging For agents, developers and owners with empty or unfinished rooms, who want buyers to see a lived-in home and pick the style they like. View service Services Real estate video marketing For developers and agents who need short videos for social media and listings, but have no finished interior to film. View service
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