Count input tokens before sending a request
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Count input tokens before sending a request
with OpenAI
Use OpenAI: its OpenAI Responses API lets you count input tokens before sending a request in a single step (POST /responses/input_tokens). capabilities.work can help you get signed up and connected.
- How many input tokens will my prompt use before I actually run it?
- Can I estimate token usage including my tools and instructions?
Say it to your AI assistant
- Count the input tokens of {input} for model {model}.
- Tell me how many tokens {input} plus instructions {instructions} would use.
For your developer
POST /responses/input_tokens in OpenAI Responses API. Full spec on APIs.io.