Function Calling Tester

Keyword: function calling tester · Free online tool

Test tool calling and function calling across providers. Compare reliability, schema support, and response format.

Use this tool to get instant results. No sign-up required. Plugsky offers competitive pricing across all AI models with full OpenAI compatibility.

Why use Plugsky for AI:

• 60-80% cheaper than OpenAI for equivalent quality
• 28 models from micro to frontier
• Free tier with generous limits, no credit card
• Full OpenAI compatibility — zero code migration

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