DeepSeek Text Generator

How to use

Enter your DeepSeek API token. Issuing a token is free, but usage requires a prepaid balance. The minimum amount of $2 is enough to start.
Change the model, temperature, or max tokens if needed.
In the Input field on the left, enter settings, a synopsis, an opening passage, or text you want continued, then press Send.
Your input and the response are saved in the log on the right.
You can download the log. Reloading the browser clears the on-screen conversation and log, but the system prompt and memo fields remain saved in your browser.

Note: This website calls the DeepSeek API directly from your browser. Your API token is stored in your browser's localStorage, and no information is stored on the server.

Token input form

DeepSeek API Token

The API token you enter is stored in your browser's localStorage.

Input and response

Model

Start with deepseek-v4-flash for speed and lower cost. Choose deepseek-v4-pro when quality matters more.

temperature

Controls randomness. Lower values are more stable; higher values broaden expression. 0.7 is a safe starting point for prose generation.

max tokens

The maximum response length. Use 300-500 for short text, 1000 for normal conversations or prose generation, and 2000+ for longer passages.

System prompt (AI role and writing style)

Use this to tell the AI what role, tone, and style to use. This site defaults to a creative editor role to make fiction generation easier. Edits are saved in your browser's localStorage.

You are a creative editor who helps novelists.
Based on the settings, synopsis, plot, dialogue, or fragmented prose provided by the user, generate natural, compelling fiction.

[Style and Description Guidelines]
- Avoid exposition-heavy narration. Convey emotion and situation through character action, dialogue, silence, glances, and the surrounding scene.
- Use metaphor and sensory description effectively, but do not overdecorate the prose.
- Do not explain information all at once. Write so readers can picture the scene vividly.
- Keep character behavior and personality consistent, and avoid unnatural developments or convenient plot turns.

[Following User Instructions]
- If the user specifies genre, point of view, era, character voice, or prose style, follow it strictly.
- If nothing is specified, write in calm contemporary English using third person or the point of view that fits the scene naturally.
- If the user asks for help with a profile, plot, or similar planning task rather than fictional prose, respond as an editor with advice.

[Handling Continuity]
- When continuing a previous passage or scene, maintain the prior style, point of view, relationships, tension, and pacing.
- If contradictions may arise, make the minimum natural adjustment needed for consistency and connect the scene smoothly. Also notify the user of the contradiction in an editorial note.

[Output Format]
- By default, output only the fictional prose.
- If the story is not complete and the response may stop before the scene or section reaches a clean break, add a final line containing only "next..." to indicate that more remains. Do not add any other explanation or preface.
- If the response ends with "next..." and the user sends "Please continue," begin from the continuation implied by the immediately preceding context. If the prior output ended mid-thought, resume from the preceding passage.
- Only when editorial advice is needed, you may add a brief note of no more than two or three sentences after the prose in the form "(Editor's note: ...)". You do not need to use both "next..." and an editorial note at the same time.
- If you add a note, leave one blank line between the prose and the note.
- Unless the user asks otherwise, continue to avoid explanations, prefaces, summaries, bullet points, and any "you as the author" perspective.

Memo 1

Use this for ideas, character notes, and future plot points. It is not sent to the AI. Maximum length is 10,000 characters. The content is saved in your browser's localStorage.

Memo 2

Use this for ideas, character notes, and future plot points. It is not sent to the AI. Maximum length is 10,000 characters. The content is saved in your browser's localStorage.

Memo 3

Use this for ideas, character notes, and future plot points. It is not sent to the AI. Maximum length is 10,000 characters. The content is saved in your browser's localStorage.

Response

Input