# AI tools for “LLM Router”

975 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 | [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%; semantic match | [.md](https://openaitools.app/tool/openrouter-ai.md) |
| 2 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/orcarouter.md) |
| 3 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/llm-gateway.md) |
| 4 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/litellm.md) |
| 5 | [Not Diamond](https://openaitools.app/tool/not-diamond) | 29,244 | +25.3% | Freemium, Paid, Contact for Pricing | Intelligent model routing for coding agents | category: ai-models, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/not-diamond.md) |
| 6 | [Manifest](https://openaitools.app/tool/manifest) | 54,135 | -23% | Free | The open-source LLM gateway that fixes your agents' requests on the fly | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/manifest.md) |
| 7 | [Respan](https://openaitools.app/tool/respan) | 91,503 | -14.5% | Freemium | Open-source AI gateway with observability and evals built in | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/respan.md) |
| 8 | [Google Gemini](https://openaitools.app/tool/gemini-gemini-advanced) | 2,637,398,242 | -0.1% | Freemium | Google's multimodal AI assistant powered by Gemini 4 Carbon (Gemini Carbon 4), Gemini 4 Argon, and Gemini 3.8 Flash with a 1M-token context window and Workspace integration. | category: ai-models, large-language-models-llms | [.md](https://openaitools.app/tool/gemini-gemini-advanced.md) |
| 9 | [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) |
| 10 | [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) |
| 11 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/siliconflow.md) |
| 12 | [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 | [.md](https://openaitools.app/tool/openai.md) |
| 13 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/portkey-ai.md) |
| 14 | [Helicone](https://openaitools.app/tool/helicone-ai) | 57,187 | -25.2% | Freemium, Free Trial, Paid, Contact for Pricing, Free | Open-source LLM observability and AI gateway for shipping reliable AI apps | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/helicone-ai.md) |
| 15 | [AiHubMix](https://openaitools.app/tool/aihubmix) | 238,455 | -16.1% | Contact for Pricing | One API key for hundreds of AI models | category: ai-models, large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/aihubmix.md) |
| 16 | [RouterBase](https://openaitools.app/tool/routerbase) | 8,326 | +33.7% | Paid | One OpenAI-compatible API for 200+ AI models | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/routerbase.md) |
| 17 | [BLACKBOX.AI](https://openaitools.app/tool/blackbox-ai-1) | 622,975 | -27.2% | Free Trial, Paid | High-trust frontier inference, encrypted end to end | category: large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/blackbox-ai-1.md) |
| 18 | [Defapi](https://openaitools.app/tool/defapi) | 45,178 | +585.7% | Paid | Enterprise-grade gateway to hundreds of AI models through one API | category: ai-models, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/defapi.md) |
| 19 | [Flatkey](https://openaitools.app/tool/flatkey-ai) | 49,134 | -40.8% | Paid, Contact for Pricing | One API key for frontier models, 1,000+ AI tools, and one invoice | category: ai-models, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/flatkey-ai.md) |
| 20 | [Edgee](https://openaitools.app/tool/edgee) | 6,558 | +96.9% | Freemium, Contact for Pricing | Agent gateway that routes, compresses and observes your LLM token spend | category: large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/edgee.md) |
| 21 | [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) |
| 22 | [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) |
| 23 | [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 | [.md](https://openaitools.app/tool/ollama.md) |
| 24 | [AI/ML API](https://openaitools.app/tool/ai-ml-api) | 232,946 | -20.1% | Pay-as-you-go credits (free to start); enterprise custom pricing on request | One universal API for 500+ AI models and 1,000+ agentic tools | category: ai-models; keywords 100% | [.md](https://openaitools.app/tool/ai-ml-api.md) |

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

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