Claude in KLINCH
Chat with Claude without a separate subscription, an API key or any setup. Pick it from the model list and switch to another model whenever you like.
What Claude is good at
Claude models are popular for careful writing and editing, summarising long documents, thoughtful analysis and writing code. Haiku is fast and light, Sonnet is the balanced all-rounder, and Opus and Fable are the most capable.
Models included and what they cost
Prices are per typical message (a chat turn with some history) in KLINCH credits. Real cost depends on how long your conversation is.
- Claude Haiku 4.5: ~0.5 credits · free credits
- Claude Sonnet 4.6: ~0.5 credits · after a top-up
- Claude Sonnet 5: ~0.5 credits · after a top-up
- Claude Sonnet 5.5: ~0.5 credits · after a top-up
- Claude Opus 4.6: ~1 credits · after a top-up
- Claude Opus 4.7: ~1 credits · after a top-up
- Claude Opus 4.8: ~1 credits · after a top-up
- Claude Opus 5: ~1 credits · after a top-up
- Claude Opus 5.5: ~1 credits · after a top-up
- Claude Fable 5: ~2.5 credits · after a top-up
- Claude Fable 5.1: ~2.5 credits · after a top-up
Try Claude for free
Start on the Free plan with Claude Haiku, then step up to Sonnet for everyday work or Opus and Fable when a problem really matters. You can compare their answers side by side by switching models inside the same chat.
FAQ
Do I need a Claude account or API key?
No. Everything is included in your KLINCH account, so there is nothing to sign up for or paste anywhere.
Is Claude free to try?
Yes, the lighter Claude models run on the free 300 credits a month. The most powerful ones open after you top up.
How much does a message cost?
It depends on the model and the length of the chat. The cheapest Claude model is about 0.5 credits for a typical message.