Chat instantly — no login needed. Sign up free to unlock all models and keep your conversations saved.
Models
Fast answers, no login needed.
Deeper reasoning for complex topics.
Step-by-step math & problem solving.
Fastest response for simple queries.
Code reviews, debugging, explanations.
Long-form, thorough analysis.
Features
Open Klar and start chatting with Flash instantly. No email, no password, no friction.
Sign up free and every conversation is saved, searchable, and synced across devices.
The Thinking model works through math and logic out loud instead of jumping to an answer.
The Coder model handles debugging, code reviews, and programming questions natively.
bcrypt-hashed passwords, JWT sessions in HTTP-only cookies. Your chats are yours.
No daily cap — send as many messages as you need.
How it works
Klar loads with Flash ready to go. Ask anything — homework, code, concepts.
Locked models show a one-tap prompt to sign in when you try to use them.
Create a free account to unlock all 6 models and save every conversation.