OpenAI Function Calling
by OpenAI · paid · Last verified 2026-04-24
OpenAI's function calling feature enables GPT models to output structured JSON payloads matching caller-defined schemas. It supports parallel calls, strict schema enforcement, and is the basis for tool use in the OpenAI Agents SDK and all OpenAI-powered agent frameworks.
https://platform.openai.com/docs/guides/function-calling ↗C
C—Below Average
Adoption: C+Quality: B+Freshness: ACitations: CEngagement: F
Specifications
- License
- Proprietary
- Pricing
- paid
- Capabilities
- Integrations
- Use Cases
- API Available
- No
- SDK Languages
- python, typescript
- Deployment
- cloud
- Rate Limits
- Part of OpenAI API rate limits
- Data Privacy
- OpenAI API data processing terms apply
- Tags
- tool-use, openai, function-calling, json, structured-output
- Added
- 2026-04-24
- Completeness
- 60%
Index Score
44Adoption
50
Quality
70
Freshness
80
Citations
40
Engagement
0