📖 The AI Tool Bible

AI tools tagged Supports Function Calling

5 tools matching this tag.model

All tags →

Google Vertex AI

Agents · Gemini 2.5 (Pro/Flash/Nano), Imagen, Veo, Chirp, plus Model Garden (Llama, Mistral, Claude via partner)
8.6

Google Cloud's unified platform for building, deploying, and scaling enterprise AI agents and models.

Paid· Pay-as-you-go per-token billing (varies by model: Gemini 2.5 Pro ~$1.25/M input, $10/M output tokens). Training, fine-tuning, vector search, and deployed endpoints billed separately by compute/hour. Free tier via Google Cloud $300 credit for new accounts.Enterprise RAG chatbotMulti-agent customer service

ChatGLM (Zhipu Qingyan)

Agents · GLM-4, GLM-4V, GLM-4-Air/Flash, CogView, CogVideoX (ChatGLM family, Zhipu AI / Tsinghua KEG)
8.4

Zhipu AI's bilingual ChatGLM assistant with agents, code, image and video generation

Freemium· Free consumer tier (chatglm.cn); paid API tiers via Zhipu Open Platform (bigmodel.cn) priced per million tokens by model (GLM-4, GLM-4-Air, GLM-4-Flash, GLM-4V, CogVideoX); enterprise/private deployment on requestChinese-language document drafting and rewritingChinese-English translation and localisation

OpenAI Playground

Writing · Multi-model (GPT-4o, GPT-4.1, o-series, DALL-E, Whisper, TTS)
8.2

OpenAI's official browser sandbox for prompting, tuning, and testing every model on the platform before you ship API code.

Paid· Pay-as-you-go at standard API token rates; no separate Playground feeprompt-engineeringmodel-comparison

Gorilla

Agents · gorilla-openfunctions-v2 (6.91B)
7.3

Open-source LLM purpose-built for function calling and API invocation across thousands of tools.

Free· Free and Apache 2.0; self-hostedfunction-callingtool-use

Grok

Writing · Grok (xAI)
7.2

xAI's conversational assistant with real-time X integration and a distinctly less-filtered personality.

Freemium· Free tier on X; X Premium from ~$8/mo; SuperGrok and API pay-as-you-goconversational-aireal-time-search