Capability
Function Calling / Tool Use providers
Every model provider on LLMAPI tagged “Function Calling / Tool Use” — 5 of 50 providers. All of them run through one API key and one OpenAI-compatible endpoint.
Providers listed5
Models reachable30
Filters available84
IntegrationOne OpenAI-compatible endpoint
5 providers matching this filter.
| Provider | Models | Regions | Best for | |
|---|---|---|---|---|
Anthropic Claude models with a focus on safety and long context. |
6 | US, EU | Long-document analysis, coding assistants, and agents that need careful reasoning | View → |
OpenAI GPT series, o-series reasoning models, and multimodal APIs. |
15 | US, EU | General-purpose chat, multimodal apps, and the widest tooling ecosystem | View → |
Kimi (Moonshot AI) Moonshot AI's long-context Kimi models. |
3 | APAC, Global | Long-document Q&A and agentic tool use | View → |
Agnes AI Agentic models for research workflows. |
2 | APAC | Agentic deep-research and multi-step task automation | View → |
DigitalOcean GPU droplets and a managed genAI platform. |
4 | US, EU, APAC | Startups hosting agents and GPUs on a developer-friendly cloud | View → |
One key, every provider on this page
Consolidated billing, spend limits and instant fallback between providers.