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databricks Platform · Updated Aug 13, 2025

OpenAI GPT OSS models now support function calling

The Databricks hosted foundation models, OpenAI GPT OSS 120B and GPT OSS 20B now support function and tool calling.

Update Open docs ↗release note ↗
What it does

The Databricks hosted foundation models, OpenAI GPT OSS 120B and GPT OSS 20B now support function and tool calling. This article describes function calling and how to use it as part of your generative AI application workflows. Databricks Function Calling is OpenAI compatible and is only available during model serving as part of Foundation Model APIs and serving endpoints that serve external models.

Why it matters

Reduces operational overhead and unlocks new capabilities for data teams on Databricks.

Key capabilities
Starting February 15, 2026, this
Starting February 15, 2026, this model is not available for pay-per-token workloads.
Starting May 15, 2026, this
Starting May 15, 2026, this model is not available for provisioned throughput workloads. Starting December 11, 2024…
To allow more time for
To allow more time for migration, between March 26, 2026 and June 7, 2026, API calls to Gemini 3 Pro will be temporarily…
Architecture
Databricks Platform → Platform
In short

The Databricks hosted foundation models, OpenAI GPT OSS 120B and GPT OSS 20B now support function and tool calling. This article describes function calling and how to use it as part of your generative AI application workflows.

Read the full documentation ↗
Key takeaway
The Databricks hosted foundation models, OpenAI GPT OSS 120B and GPT OSS 20B now support function and tool calling.
2025-08-13-openai-gpt-oss-models-now-support-function-calling Generated by the Databricks Updates Agent · browse all updates