# AI tools for “LLM interface” 552 matching tools; showing 24, ranked by relevance. Filters: `group=coding-development` 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 | [Open WebUI](https://openaitools.app/tool/open-webui) | 804,534 | -2.8% | Freemium | Self-hosted AI workspace for local and cloud models | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/open-webui.md) | | 2 | [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) | | 3 | [ZenMux](https://openaitools.app/tool/zenmux) | 444,394 | +16.7% | Freemium, Paid | One unified API for 100+ AI models, with insurance when output disappoints | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/zenmux.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; keywords 100% | [.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 | [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 | [.md](https://openaitools.app/tool/deepseek.md) | | 7 | [gpt-oss playground](https://openaitools.app/tool/gpt-oss-playground) | 37,746 | -19.8% | Free | A live demo playground for OpenAI's open-weight gpt-oss models | category: ai-models, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/gpt-oss-playground.md) | | 8 | [WritingMate.ai](https://openaitools.app/tool/writingmate-ai) | 109,629 | +8.5% | Freemium | One subscription that puts 350+ leading AI models, image tools, and video tools in a single chat | category: ai-models, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/writingmate-ai.md) | | 9 | [Chat01.ai](https://openaitools.app/tool/chat01-ai) | 122,748 | -15.4% | Freemium | Free, unlimited-feeling access to frontier ChatGPT-style models in your browser | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/chat01-ai.md) | | 10 | [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) | | 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 | [Mammouth](https://openaitools.app/tool/mammouth) | 2,449,134 | +10.4% | Paid | Access many leading AI models through one subscription | category: ai-models, large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/mammouth.md) | | 13 | [Chat100.ai](https://openaitools.app/tool/chat100-ai-free-chatgpt-4o-and-claude-3-5-sonnet) | 32,082 | -17.6% | Free | Free all-in-one AI chatbot with GPT, Grok and Gemini in one place | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/chat100-ai-free-chatgpt-4o-and-claude-3-5-sonnet.md) | | 14 | [Google AI Studio](https://openaitools.app/tool/google-ai-studio) | 112,620,020 | +2% | Freemium | Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models. | category: ai-models, large-language-models-llms | [.md](https://openaitools.app/tool/google-ai-studio.md) | | 15 | [LLM Gateway](https://openaitools.app/tool/llm-gateway) | 168,426 | -14.5% | Freemium, Contact for Pricing | One OpenAI-compatible API to route, monitor and control 250+ LLM models | category: ai-models, large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/llm-gateway.md) | | 16 | [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 | [.md](https://openaitools.app/tool/qwen-4.md) | | 17 | [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) | | 18 | [OrcaRouter](https://openaitools.app/tool/orcarouter) | 975,300 | -5.2% | Freemium | One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/orcarouter.md) | | 19 | [ChatPlayground AI](https://openaitools.app/tool/chatplayground-ai) | 143,664 | +1.5% | Free Trial, Paid | Compare ChatGPT, Claude, Gemini and 30+ AI models side by side in one subscription | category: ai-models, large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/chatplayground-ai.md) | | 20 | [ChatKit](https://openaitools.app/tool/chatkit) | 3,846 | -12.2% | Paid | A refined ChatGPT interface powered by your own API key | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/chatkit.md) | | 21 | [Portkey](https://openaitools.app/tool/portkey-ai) | 195,650 | -9.4% | Freemium, Paid, Contact for Pricing | AI gateway, observability and guardrails for production LLM apps | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/portkey-ai.md) | | 22 | [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 | keywords 78% | [.md](https://openaitools.app/tool/lovable.md) | | 23 | [SiliconFlow](https://openaitools.app/tool/siliconflow) | 276,303 | -10.5% | Pay-as-you-go | One API for fast, cost-predictable inference on LLMs and multimodal models | category: ai-models; semantic match | [.md](https://openaitools.app/tool/siliconflow.md) | | 24 | [ChatHub](https://openaitools.app/tool/chathub) | 322,618 | -13.9% | Freemium | Compare GPT, Claude, and Gemini answers side by side in one chat | category: large-language-models-llms; semantic match | [.md](https://openaitools.app/tool/chathub.md) | Page 1 of 23 · [Next page →](https://openaitools.app/index.md?q=LLM+interface&group=coding-development&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=LLM%20interface More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)