16x Prompt is a desktop application that helps developers manage source code context and craft prompts for complex coding tasks on existing codebases. It generates optimized prompts from task instructions, source code files, and formatting instructions, which can be copied into ChatGPT/Claude or sent directly via API using multiple LLM providers. It includes features like code editing with visual diffs, prompt/context management, workspaces for multiple repositories, and token limit tracking.
What it's for
Features 14
- Automatic formatting instructions added to prompts
- BYOK (bring your own key) API integrations
- Code editing with automatic apply and visual diffs
- Custom instructions and prompt customization
- Dark mode support
- Optimized prompt/source code generation
- Prompt management (save reusable task instructions)
- Reversible/backed-up code changes
- Side-by-side comparison of LLM responses
- Source code context management
- Support for multiple LLM providers via API
- Token limit tracking
- Works locally without internet connection
- Workspaces for organizing multiple repositories/projects
At a glance
Integrations
Pricing
Individual and Team licenses are one-time lifetime purchases ($48 and $68 USD respectively), not monthly subscriptions. No refunds are offered.
Source Code Management, Formatting Instructions, Copy Final Prompt, Anthropic / OpenAI API
Limited to 10 prompts / day
$48.00 USD one-time lifetime license fee; no invoice issued
Each license can be activated 3 times
$68.00 USD one-time lifetime license fee
Each license can be activated 10 times
Volume discount for bulk purchases; enterprise licenses and white-label options available on contact.
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