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→New: Advisor → 4 questions, your stack in 30 seconds→Decision layer live → Goal → Role → Stack → Tool → Playbook→GPT-5.5 superpower: most reliable instruction following→Claude superpower: best first draft and coding output→Gemini superpower: massive multimodal context→Perplexity superpower: fast factual retrieval→NotebookLM superpower: source-grounded answers→Solo Founder Stack — bookmark and ship by Friday→New: Advisor → 4 questions, your stack in 30 seconds→Decision layer live → Goal → Role → Stack → Tool → Playbook→GPT-5.5 superpower: most reliable instruction following→Claude superpower: best first draft and coding output→Gemini superpower: massive multimodal context→Perplexity superpower: fast factual retrieval→NotebookLM superpower: source-grounded answers→Solo Founder Stack — bookmark and ship by Friday
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Foundation ModelsBy OpenAI· essential

ChatGPT

The default consumer AI; GPT-5.5 reasoning + agents + image.

The most-used AI assistant on earth. GPT-5.5 is the strongest general-purpose model for reasoning, code, and multimodal work. Agent mode browses, books, and ships tasks end-to-end.

Open ChatGPT Get help deploying

Best for

  • 01Daily reasoning
  • 02Research
  • 03Agent mode
  • 04Operator workflows

Recommended workflow

  1. Step 1

    Open Projects

  2. Step 2

    Upload brand guidelines + tone

  3. Step 3

    Use Agent mode for end-to-end tasks

  4. Step 4

    Export to Drive / Notion

Other Foundation Models.

Anthropic

Claude

Best long-context reasoning, writing, and Artifacts.

Google

Gemini

Native Workspace integration, 2M-token context, Veo + Imagen built in.

xAI

Grok

Real-time X data + uncensored research; fastest at breaking news.

Meta

Llama

Best open-weight family; self-host for privacy and price.

Mistral AI

Mistral Large

European, multilingual, GDPR-friendly frontier model.

DeepSeek

DeepSeek

Open-weight reasoner that matches GPT-5 on math/code at 1/20 cost.

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◉ Verified November 2026 · Independent review · No affiliate links
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