Chat with all AIClaude by Anthropic — in your Chrome side panel
Anthropic's Claude models are known for careful, natural writing and very strong coding. Chat with all AI includes the whole range — Haiku 5.5, Sonnet 5.5, Opus 5.5 and Claude Fable 5.2 — next to every other model, so you can run Claude and GPT side by side on the same question.
Claude models available
Claude Haiku 5.5
Everyday Claude Haiku 5.5 is Anthropic's fast model.
DetailsClaude Sonnet 5.5
Complex work Claude Sonnet 5.5 is Anthropic's balanced model and a favorite for writing and coding.
DetailsClaude Opus 5.5
Hardest problems Claude Opus 5.5 is Anthropic's most capable Claude 5.5 model and one of the strongest coding models available in 2026.
DetailsClaude Fable 5.2
Hardest problems Claude Fable 5.2 is Anthropic's publicly available model from its top Mythos tier, released with additional safeguards.
DetailsWhat Claude is known for
- 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)
When to pick Claude
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.
Not sure? Ask the same question to Claude and another family and keep the better answer. In Chat with all AI that's one tap.
How to use it
- Install the extension and open the side panel.
- Click the model name in the message box and choose a Claude model.
- Ask your question — or turn on This page to ask about the page you're on.
Frequently asked questions
Do I need a Anthropic subscription to use Claude here?
No. Chat with all AI gives you Claude models through their API. Your free requests or Pro plan cover them, together with every other model.
Which Claude model should I start with?
Start with Claude Haiku 5.5 for speed. Move to Claude Fable 5.2 when the task is hard.
Is Chat with all AI affiliated with Anthropic?
No. Chat with all AI is an independent extension. Claude is a trademark of Anthropic.
Every top AI model, one side panel
Try GPT-6.1, Claude, Muse and Grok free — 3 requests, no card needed.