Prompt Diff Tool
Compare two prompts side by side and highlight differences. Optimize your LLM prompts by seeing exactly what changed between versions.
Prompt Engineering Tips
Use this tool to A/B test your prompts. Small wording changes can significantly affect LLM output quality. Track character and token counts to stay within model context limits. The token estimate uses a rough ~4 characters per token approximation.
About This Tool
Prompt Diff estimates token counts for various LLMs like GPT-4 and Claude, helping users plan their prompts efficiently. Ideal for content creators, developers, and anyone working with large language models.
Simply input your prompt text or URL, and the tool calculates token usage in real-time. Outputs include estimated costs based on model pricing tiers.
Use Prompt Diff to optimize your LLM interactions without compromising privacy — all calculations happen client-side, no data is sent out.