Comparison · Hazel
ChatGPT vs Claude vs Gemini in 2026
Short answer: All three leading assistants — ChatGPT, Claude and Gemini — are excellent in 2026, and the best choice depends on your task and which you already pay for. In practice they overlap heavily: each writes, codes and reasons well. Rather than betting on one, use a model-agnostic prompt-and-skill system so you can run the same prompts in any of them.
How they compare
| Assistant | Often chosen for |
|---|---|
| ChatGPT | A broad all-rounder with a large ecosystem of features and integrations. |
| Claude | Long-form writing, careful reasoning and working with large documents. |
| Gemini | Tight integration with Google's apps and ecosystem. |
These are general tendencies, not fixed rules — all three are highly capable and improve constantly. For most people the practical differences are smaller than the marketing suggests.
Don't bet the farm on one model
Models leapfrog each other regularly, and you may already pay for one. The smart move is to keep your prompts model-agnostic so switching costs nothing. A well-structured prompt (see how to write better AI prompts) works in all three.
Get consistent results across all of them
The bigger lever than picking a model is loading expertise before you prompt. An installable skill gives you consistent, expert-level output in whichever assistant you use.
One system, any model
Hazel's 323 prompts + 81 skills are model-agnostic by design — they work in ChatGPT, Claude and Gemini, so you're never locked in. See what's inside each bundle or get everything in The Vault & Xtras for a one-time €30.
Hazel is an educational toolkit; your results depend on your own effort.
Frequently asked questions
Which is best in 2026: ChatGPT, Claude or Gemini?
All three are excellent and the best choice depends on your task and which you already pay for. ChatGPT is a broad all-rounder, Claude is often chosen for long-form writing and reasoning, and Gemini integrates tightly with Google's apps. The practical differences are smaller than the marketing suggests.
Can I use the same prompts across ChatGPT, Claude and Gemini?
Yes. Well-structured, model-agnostic prompts work across all three. Keeping your prompts portable means you can switch whenever a model improves, at no cost.
Do I need to pick just one AI assistant?
No. Many people use more than one. A model-agnostic prompt-and-skill system lets you run the same workflows in whichever assistant fits the task.
Which is best for coding vs writing?
All three handle both well. Many choose Claude for long-form writing and document work and ChatGPT for its broad feature set, but capabilities shift often — portability matters more than the current leader.