Chat with all AIChatGPT vs Claude: which should you use?
ChatGPT and Claude are two of the most searched-for AI assistants. Instead of picking a side, here's what each is good at — and how to get both in the same Chrome side panel.
At a glance
| ChatGPT | Claude | |
|---|---|---|
| Made by | OpenAI | Anthropic |
| Models in Chat with all AI | GPT-6 Luna, GPT-6.1 Terra, GPT-6.1 Sol | Claude Haiku 5.5, Claude Sonnet 5.5, Claude Opus 5.5, Claude Fable 5.2 |
| Fastest option | GPT-6 Luna | Claude Haiku 5.5 |
| Most capable option | GPT-6.1 Sol | Claude Fable 5.2 |
| Known for | Reliable instruction following and structured output (tables, JSON, step lists) | Natural, human-sounding writing and editing |
| Use both with one plan | Yes | Yes |
What ChatGPT is good at
- Reliable instruction following and structured output (tables, JSON, step lists)
- Strong all-round coding and math reasoning
- A familiar ChatGPT-style answer format
- Good tool for turning messy notes into clean drafts
What Claude is good at
- Natural, human-sounding writing and editing
- Excellent at reading long documents and code bases
- Careful reasoning that admits uncertainty
- Top-tier coding (Opus 5.5) and frontier depth (Fable 5.2)
Which one for which task
Pick ChatGPT when you want predictable, well-structured answers, step-by-step reasoning or code that follows a spec closely.
Pick Claude when the tone of the text matters, when you're working through long pages or code, or when you want a second opinion that reasons carefully.
Use both — it's faster than choosing
- Ask with GPT-6 Luna or GPT-6.1 Sol.
- Switch to Claude Haiku 5.5 or Claude Fable 5.2 and press Regenerate.
- Keep the better answer, or ask one model to critique the other.
Chat with all AI is independent and not affiliated with OpenAI or Anthropic.
Model-level comparisons
- GPT-6.1 Sol vs Claude Opus 5.5
- Claude Fable 5.2 vs GPT-6.1 Sol
- Claude Sonnet 5.5 vs GPT-6.1 Terra
- Claude Sonnet 5.5 vs GPT-6.1 Sol
- Claude Haiku 5.5 vs GPT-6 Luna
Frequently asked questions
Is ChatGPT or Claude better?
Neither wins everything. ChatGPT is known for reliable instruction following and structured output (tables, json, step lists); Claude for natural, human-sounding writing and editing. Many people use both: one to draft, the other to check.
ChatGPT vs Claude for coding?
For hard coding tasks compare GPT-6.1 Sol and Claude Fable 5.2 on the same bug. For everyday code, GPT-6 Luna and Claude Haiku 5.5 are quick and capable.
Do I need two subscriptions for ChatGPT and Claude?
Not in Chat with all AI: one plan covers both families, plus the others. Official apps have their own features and plans.
Every top AI model, one side panel
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