# AI tools for “LLM Function Calling”

537 matching tools; showing 24, ranked by relevance.

Related categories: [ai-models](https://openaitools.app/category/ai-models.md), [large-language-models-llms](https://openaitools.app/category/large-language-models-llms.md)

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [OpenAI Platform](https://openaitools.app/tool/openai) | 234,678,639 | -9.6% | Paid | Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents. | category: ai-models, large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/openai.md) |
| 2 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs. | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/deepseek.md) |
| 3 | [Qwen 4 (Alibaba Qwen4)](https://openaitools.app/tool/qwen-4) | 35,101,353 | -6.2% | Freemium | Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context. | category: ai-models, large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/qwen-4.md) |
| 4 | [OpenRouter](https://openaitools.app/tool/openrouter-ai) | 19,941,437 | -6.2% | Paid | One API key for hundreds of AI models from every major provider | category: ai-models, large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/openrouter-ai.md) |
| 5 | [Ollama](https://openaitools.app/tool/ollama) | 9,421,973 | +4.3% | Free, Freemium, Paid | Run and build with open AI models locally or in the cloud | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/ollama.md) |
| 6 | [Use AI](https://openaitools.app/tool/use-ai) | 8,751,848 | -10.2% | Free Trial, Paid | One workspace for Claude, GPT, Gemini, Grok and more | category: ai-models, large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/use-ai.md) |
| 7 | [Composio](https://openaitools.app/tool/composio) | 2,782,603 | +22.8% | Freemium, Contact for Pricing | Give your AI agents secure, authenticated access to 1,700+ apps | category: large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/composio.md) |
| 8 | [Poe](https://openaitools.app/tool/poe) | 5,894,702 | +9.1% | Freemium | One app to chat with GPT, Claude, Gemini and hundreds of other AI models | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/poe.md) |
| 9 | [GRID](https://openaitools.app/tool/grid-2-0) | 29,800 | -5.3% | Free Evaluation License, Contact for Commercial Pricing | The spreadsheet engine built for AI agents | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/grid-2-0.md) |
| 10 | [Abacus.AI](https://openaitools.app/tool/abacus-ai) | 3,278,636 | -1.7% | Contact for Pricing | An all-in-one AI super assistant for professionals and enterprises | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/abacus-ai.md) |
| 11 | [Groq](https://openaitools.app/tool/groq) | 3,987,936 | +10% | Paid | Ultra-fast AI inference on the LPU and LPX platform | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/groq.md) |
| 12 | [RunPod](https://openaitools.app/tool/runpod) | 2,881,043 | +5.9% | Paid | The AI developer cloud for GPU pods, serverless inference and clustering | category: ai-models, large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/runpod.md) |
| 13 | [Lamini](https://openaitools.app/tool/lamini) | 4,158 | +0.3% | Freemium, Contact for Pricing | Build and control custom LLMs with enterprise-grade accuracy | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/lamini.md) |
| 14 | [WolframAlpha](https://openaitools.app/tool/wolframalpha) | 3,101,089 | +5.6% | Freemium | Computational knowledge engine for expert answers | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/wolframalpha.md) |
| 15 | [Fireworks](https://openaitools.app/tool/fireworks-ai) | 659,687 | +6% | Contact for Pricing | Run, ensemble and train open AI models as your own specialized intelligence | category: large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/fireworks-ai.md) |
| 16 | [AnythingLLM](https://openaitools.app/tool/anythingllm) | 512,269 | +12.9% | Freemium | Own your intelligence: a private AI assistant that runs entirely on your machine | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/anythingllm.md) |
| 17 | [Modal](https://openaitools.app/tool/modal-com) | 1,196,021 | +30.2% | Freemium, Contact for Pricing | Serverless cloud infrastructure for AI and data workloads | category: ai-models, large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/modal-com.md) |
| 18 | [Convex](https://openaitools.app/tool/convex) | 390,417 | -18.7% | Freemium, Paid | Reactive TypeScript backend with database, functions and AI gateway | keywords 74%; semantic match | [.md](https://openaitools.app/tool/convex.md) |
| 19 | [Lovable](https://openaitools.app/tool/lovable) | 31,052,090 | +3.8% | Freemium | Describe your idea in chat and Lovable turns it into a working app or website | semantic match | [.md](https://openaitools.app/tool/lovable.md) |
| 20 | [LiteLLM](https://openaitools.app/tool/litellm) | 576,967 | +7.9% | Freemium, Contact for Pricing | One open-source AI gateway for 100+ LLM providers | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/litellm.md) |
| 21 | [Prompt Cowboy](https://openaitools.app/tool/prompt-cowboy) | 1,130,450 | -22.4% | Freemium | Turn lazy prompts into great ones and get more out of any large language model | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/prompt-cowboy.md) |
| 22 | [Chutes](https://openaitools.app/tool/chutes) | 250,187 | -15.2% | Paid | Serverless, decentralized inference for open-source AI models | category: ai-models, large-language-models-llms; keywords 51%; semantic match | [.md](https://openaitools.app/tool/chutes.md) |
| 23 | [Vivgrid](https://openaitools.app/tool/vivgrid) | 3,743 | +71.1% | Freemium | Managed Skills platform for shipping production AI agents | keywords 100%; semantic match | [.md](https://openaitools.app/tool/vivgrid.md) |
| 24 | [Agents-Flex](https://openaitools.app/tool/agents-flex) | 5,088 | +202.3% | Free / Open Source | Open-source Java framework for building AI agents and LLM apps | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/agents-flex.md) |

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Source: https://openaitools.app/?q=LLM%20Function%20Calling

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)