Best vLLM Semantic Router Alternatives in 2025
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High LLM costs? RouteLLM intelligently routes queries. Save up to 85% & keep 95% GPT-4 performance. Optimize LLM spend & quality easily.
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LLM Gateway: Unify & optimize multi-provider LLM APIs. Route intelligently, track costs, and boost performance for OpenAI, Anthropic & more. Open-source.
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ModelPilot unifies 30+ LLMs via one API. Intelligently optimize cost, speed, quality & carbon for every request. Eliminate vendor lock-in & save.
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A high-throughput and memory-efficient inference and serving engine for LLMs
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FastRouter.ai optimizes production AI with smart LLM routing. Unify 100+ models, cut costs, ensure reliability & scale effortlessly with one API.
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LazyLLM: Low-code for multi-agent LLM apps. Build, iterate & deploy complex AI solutions fast, from prototype to production. Focus on algorithms, not engineering.
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Stop managing multiple LLM APIs. Requesty unifies access, optimizes costs, and ensures reliability for your AI applications.
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Helicone AI Gateway: Unify & optimize your LLM APIs for production. Boost performance, cut costs, ensure reliability with intelligent routing & caching.
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Build, manage, and scale production-ready AI workflows in minutes, not months. Get complete observability, intelligent routing, and cost optimization for all your AI integrations.
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Debug your AI agents with complete visibility into every request. vLLora works out of the box with OpenAI-compatible endpoints, supports 300+ models with your own keys, and captures deep traces on latency, cost, and model output.
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Neutrino is a smart AI router that lets you match GPT4 performance at a fraction of the cost by dynamically routing prompts to the best-suited model, balancing speed, cost, and accuracy.
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Revolutionize LLM development with LLM-X! Seamlessly integrate large language models into your workflow with a secure API. Boost productivity and unlock the power of language models for your projects.
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RankLLM: The Python toolkit for reproducible LLM reranking in IR research. Accelerate experiments & deploy high-performance listwise models.
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ManyLLM: Unify & secure your local LLM workflows. A privacy-first workspace for developers, researchers, with OpenAI API compatibility & local RAG.
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Anannas unifies 500+ LLMs via a single API. Simplify integration, optimize costs, and ensure 99.999% reliability for your enterprise AI apps.
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To speed up LLMs' inference and enhance LLM's perceive of key information, compress the prompt and KV-Cache, which achieves up to 20x compression with minimal performance loss.
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Datawizz helps companies reduce LLM costs by 85% while improving accuracy by over 20% by combining large and small models and automatically routing requests.
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LangDB AI Gateway is your all - in - one command center for AI workflows. It offers unified access to 150+ models, up to 70% cost savings with smart routing, and seamless integration.
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GPTCache uses intelligent semantic caching to slash LLM API costs by 10x & accelerate response times by 100x. Build faster, cheaper AI applications.
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Helix is a private GenAI stack for building AI agents with declarative pipelines, knowledge (RAG), API bindings, and first-class testing.
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LLMWare.ai enables developers to create enterprise AI apps easily. With 50+ specialized models, no GPU needed, and secure integration, it's ideal for finance, legal, and more.
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LMCache is an open-source Knowledge Delivery Network (KDN) that accelerates LLM applications by optimizing data storage and retrieval.
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Optimize AI Costs with Mintii! Achieve 63% savings while maintaining quality using our intelligent router for dynamic model selection.
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Unlock the power of AI with Martian's model router. Achieve higher performance and lower costs in AI applications with groundbreaking model mapping techniques.
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Robust and modular LLM prompting using types, templates, constraints and an optimizing runtime.
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Easily monitor, debug, and improve your production LLM features with Helicone's open-source observability platform purpose-built for AI apps.
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Take control of your Claude Code. Route AI coding tasks across multiple models & providers for optimal performance, cost, and specific needs.
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LoRAX (LoRA eXchange) is a framework that allows users to serve thousands of fine-tuned models on a single GPU, dramatically reducing the cost of serving without compromising on throughput or latency.
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Flowstack: Monitor LLM usage, analyze costs, & optimize performance. Supports OpenAI, Anthropic, & more.
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Unlock robust, vetted answers with the LLM Council. Our AI system uses multiple LLMs & peer review to synthesize deep, unbiased insights for complex queries.