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OpenAI GPT-4 · Professional

OpenAI GPT Specialist

The OpenAI GPT Specialist certification covers the full OpenAI platform — from the latest GPT-4o and o3 models to the Assistants API, function calling, and fine-tuning. You'll learn how to build reliable, production-ready AI applications that leverage OpenAI's state-of-the-art language models.

⏱️ 8 hours study material📝 60-question exam🔄 Free retake included🏅 Verified digital certificate♾️ Lifetime access

What you'll study

Module 1: OpenAI Platform Overview
  • GPT-4o, GPT-4o mini, o3 capabilities
  • Choosing the right model for your use case
  • API authentication and quotas
  • Pricing and token economics
Module 2: Chat Completions API
  • Message roles and conversation structure
  • System, user, and assistant messages
  • Temperature, top_p, and sampling parameters
  • Streaming responses
Module 3: Assistants API
  • Creating and managing assistants
  • Threads, messages, and runs
  • File search and code interpreter tools
  • Persistent vs. ephemeral conversations
Module 4: Function Calling
  • Defining function schemas
  • Structured output extraction
  • Parallel function calling
  • Tool choice strategies
Module 5: Fine-Tuning & Embeddings
  • When and why to fine-tune
  • Preparing training datasets
  • Embeddings for semantic search
  • Vector databases and RAG patterns
Module 6: Practice Exam
  • 3 × full 60-question practice exams
  • Timed exam simulation
  • Detailed answer explanations
  • Performance analytics by topic

Who is this for?

  • Developers building GPT-powered applications
  • AI product managers
  • Data scientists exploring LLMs
  • Technical founders building AI startups

Prerequisites

  • ℹ️Basic programming knowledge
  • ℹ️Familiarity with APIs
  • ℹ️No prior AI experience needed

£49

One-time payment · Lifetime access · Digital certificate

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✅ 30-day money-back guarantee · Free retake included

Regular price £49
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  • 📖Full study guide (60+ pages)
  • 🧪180+ practice questions
  • ⏱️Timed mock exams
  • 📋Quick-reference cheat sheets
  • 🏅Verified digital certificate
  • 🔗LinkedIn badge
  • 🔄Free retake included
  • ♾️Lifetime access

✓ 30-day money-back guarantee · Secure payment via Stripe

All Access from £149/yr — All 4 Certs Included

Includes Claude AI Architect, OpenAI GPT Specialist, Google Gemini Pro, AI Prompt Engineer + all future certs

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