AI for coding
Writes code, explains code you did not write, finds bugs and translates between programming languages.
What it can do
- Write a function or script from a description
- Explain what unfamiliar code does
- Find a bug from an error message
- Write an SQL query or a regular expression
- Port code to another language
Ready prompts
Copy a prompt, replace the part in square brackets with your own, or click “Ask for free”.
“Write a Python script that renames all photos in a folder by the date they were taken. Explain every step.”
Ask for free
“Explain in plain words what this code does: [paste the code]”
“I get this error: [paste the error]. What does it mean and how do I fix it?”
Which AI to pick
Claude Sonnet is the best everyday pick for code, Opus for hard tasks and big projects. DeepSeek V4 Pro writes good code and is noticeably cheaper. GPT-6.1 Sol is handy for short questions and explanations.
| Model | Good for | Freepay rate |
|---|---|---|
| Claude Sonnet 5.5 | Claude’s everyday model. Natural writing and good code, the best value of the line. | ×1 / ×5 |
| Claude Opus 5.5 | Claude’s flagship for hard writing, code and analysis. Half the price of Fable and handles most difficult tasks. | ×2 / ×10 |
| DeepSeek V4 Pro | A strong DeepSeek for maths, logic and code at a low price. | ×0.66 / ×1.98 |
| GPT-6.1 Sol | ChatGPT’s everyday model. Answers any question, writes text and code. | ×1 / ×5 |
How to get a better answer
- Name the language, version and libraries.
- Paste the full error, not a retelling.
- Ask for an explanation, not only the code: it is easier to check.
- Split a big task into steps.
Good to know
The AI sometimes invents functions a library does not have. Run and test the code, and never paste passwords or keys into a chat.
How to start
- Try it for free in the free chat: no sign-up, KLINCH AI answers.
- For ChatGPT, Claude and other models buy a key on FunPay; it arrives right away.
- Click “Sign in with key” and pick a model in the input field.
Frequently asked questions
Which AI is best for coding?
Claude Sonnet 5.5 for everyday work, Claude Opus 5.5 for the hard parts. If price matters, DeepSeek V4 Pro.
Is it good for beginners?
Yes. Ask it to explain every line and ask follow-up questions: it never gets tired.
Is it free?
Simple requests are free in the free chat, with no sign-up and no key. ChatGPT, Claude and other strong models work with a key, 10x cheaper than the official price.
Is there a subscription?
No. You buy a key once and pay only for what you ask; the balance does not expire.