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Platform Comparison

A quick reference comparing the five AI platforms used throughout this course.

FeatureClaudeChatGPTGeminiOllamaLM Studio
ProviderAnthropicOpenAIGoogleOpen-sourceOpen-source
RunsCloudCloudCloudLocalLocal
Free TierYesYesYesFree (local)Free (local)
Config FileCLAUDE.mdCustom Instructions (free) / Custom GPTs (paid)Gems (paid)ModelfileSystem Prompt UI
Best ForWriting, analysis, safetyGeneral purpose, plugins, imagesMultimodal, Google integrationPrivacy, no cost per useEasy local setup, GUI
Auto-MemoryYesYesLimitedNoNo
Skills/WorkflowsYes (Skills)Yes (Custom GPTs, paid)Yes (Gems, paid)Via ModelfileVia presets
  • Website: claude.ai
  • Free tier: Yes, with usage limits
  • Strengths: Excellent at following complex instructions, strong writing quality, thoughtful and safe responses, Projects feature for organizing work
  • Configuration: CLAUDE.md file or Project instructions
  • Best for: Detailed writing tasks, analysis, following nuanced instructions
  • Website: chatgpt.com
  • Free tier: Yes, with usage limits
  • Strengths: Largest ecosystem, Custom GPTs marketplace, image generation (DALL-E), web browsing, plugin support
  • Configuration: Custom Instructions (free) or Custom GPTs (requires paid plan)
  • Best for: General purpose tasks, creative work, when you need image generation
  • Website: gemini.google.com
  • Free tier: Yes, with usage limits
  • Strengths: Deep Google integration (Gmail, Docs, Drive, Maps), strong multimodal capabilities (understands images, video), very large context window
  • Configuration: Gems (requires Gemini Advanced) or paste system prompt at start of conversation
  • Best for: Tasks involving Google products, multimodal work with images/video
  • Website: ollama.com
  • Free tier: Completely free (runs on your hardware)
  • Strengths: Full privacy (data stays on your computer), no usage costs, many model options, command-line interface
  • Configuration: Modelfile
  • Requirements: Modern computer with 8GB+ RAM (16GB recommended)
  • Best for: Privacy-sensitive work, experimentation, when you want to avoid cloud costs
  • Website: lmstudio.ai
  • Free tier: Completely free (runs on your hardware)
  • Strengths: User-friendly GUI, easy model downloads, visual chat interface, no command line needed
  • Configuration: System Prompt field in settings
  • Requirements: Modern computer with 8GB+ RAM (16GB recommended)
  • Best for: Beginners who want to try local models without using the command line

Choose based on your priority:

  • Easiest start: ChatGPT or Gemini (most people already have Google/OpenAI accounts)
  • Best instruction following: Claude
  • Most features: ChatGPT (Custom GPTs, image generation, plugins)
  • Google integration: Gemini
  • Privacy / no cost: Ollama or LM Studio
  • No command line: LM Studio (among local options)