EP019: Function Calling Across Different AI Models

from AI Dev Tools — The Crazyrouter Podcast

Every major AI model supports function calling now — but the implementations vary wildly. We compare GPT-4o, GPT-4.1, Claude Opus 4, Gemini 2.5 Pro, and DeepSeek V3 on tool-use format, parallel calling, JSON schema reliability, and edge cases. Plus: why an API gateway that normalizes function calling across providers saves you from writing four different integration layers.

Episode metadata supplied by the publisher feed · Published Apr 8, 2026

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This episode was published on April 8, 2026.

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