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codelion avatar

codelion/optillm

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Optillm

OptiLLM is an inference proxy and gateway router that directs prompts to specific language models based on cost, performance, and provider health. It functions as a middleware layer designed to optimize requests through intelligent routing, load balancing, and context management.

The project provides specialized capabilities for data protection by anonymizing personally identifiable information before requests reach a model. It also acts as a reasoning orchestrator and tool integration layer, using inference-time loops and self-reflection to improve accuracy while connecting models to external protocol servers, web content, and code interpreters.

Additional functionality includes a schema-driven interface for generating structured, machine-readable outputs. The system also manages high availability via provider-level load balancing and health monitoring.

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Features

  • Cost-Quality Model Routing - Directs traffic to specific model providers based on a cost-quality evaluation to optimize operational efficiency.
  • Model Routing Gateways - Acts as a gateway that routes requests to different AI models based on cost and performance requirements.
  • Agentic Reasoning Loops - Uses iterative orchestration patterns including self-reflection and multi-agent interactions to improve the accuracy of model responses.
  • Model Request Routing - Implements routing logic to direct API requests to different LLM backends based on cost and performance.
  • LLM Tooling Integrations - Connects language models to external resources such as web content, code interpreters, and protocol servers.
  • External Tool Integrations - Connects the inference pipeline to external utilities such as protocol servers and code interpreters for real-time data retrieval.
  • Reasoning Optimizations - Improves response accuracy using inference-time logic techniques like self-reflection and multi-agent loops.
  • LLM Gateways - Functions as a routing layer that directs prompts to specific language models based on cost and provider health.
  • LLM Integration Layers - Provides a middleware layer connecting language models to external protocol servers and code interpreters.
  • Inference API Proxies - Provides a gateway proxy to optimize requests to language models through routing and context management.
  • Structured Output Generators - Ensures language model responses follow machine-readable formats via a schema-driven interface.
  • Reasoning Orchestrators - Improves output accuracy using inference-time loops, self-reflection, and multi-agent interaction chains.
  • Inference-Time Reasoning Loops - Applies inference-time logic and self-reflection cycles to increase precision on complex tasks.
  • LLM Schema Outputs - Generates validated structured data from model responses using predefined schema models for software integration.
  • Structured JSON Generation - Enforces JSON schema adherence during the generation process to create consistent machine-readable outputs.
  • Schema-Constrained Outputs - Forces model responses to conform to provided JSON schemas, ensuring machine-readable and consistent outputs.
  • Data Anonymization - Intercepts requests to remove personally identifiable information before it reaches the model and restores it upon response.
  • PII Data Leakage Prevention - Strips personally identifiable information from requests before they reach a language model.
  • Memory Storage and Retrieval Systems - Manages short-term conversation history to handle long interactions without exceeding model context limits.
  • AI Code Interpreters - Provides an environment where AI models can generate and execute code to validate computations.
  • Context Memory Management - Implements systems for maintaining conversation history within LLM context windows to ensure coherence.
  • MCP Protocol Integrations - Connects to external services and tools through the Model Context Protocol for standardized resource access.
  • Web Content Fetching - Fetches and converts web content from specified URLs into a format optimized for LLM context injection.
  • High Availability Deployments - Ensures service uptime by distributing requests across multiple model providers with health monitoring.
  • Traffic Load Balancers - Distributes inference requests across multiple service providers using health monitoring to ensure high availability.
  • Upstream Endpoint Load Balancing - Distributes inference requests across multiple upstream AI endpoints using real-time health monitoring to ensure high availability.
  • Intent-Based Routing - Directs incoming requests to the most effective processing approach based on the intent of the user prompt.
  • Domain-Based Routing Proxies - Proxies incoming inference requests to specific models or providers based on defined performance and cost logic.
  • Request Interception Middleware - Employs request interception middleware to anonymize private data and structure outputs before delivery to the client.
  • Inference and Serving - Optimizing inference proxy for improved performance.
  • Inference Engines - Optimizing inference proxy for improved model performance.
4,164 stars·366 forks·Python·Apache-2.0·31 views

Star history

Star history chart for codelion/optillmStar history chart for codelion/optillm

How this analysis was created: This summary and feature list are AI-generated from collected project material and can contain mistakes. Stars, license and language are imported from GitHub. Inclusion does not mean that we have tested or audited this project. Check the source documentation for any feature you depend on. Learn more on our About page.

Frequently asked questions

What does codelion/optillm do?

OptiLLM is an inference proxy and gateway router that directs prompts to specific language models based on cost, performance, and provider health. It functions as a middleware layer designed to optimize requests through intelligent routing, load balancing, and context management.

What are the main features of codelion/optillm?

The main features of codelion/optillm are: Cost-Quality Model Routing, Model Routing Gateways, Agentic Reasoning Loops, Model Request Routing, LLM Tooling Integrations, External Tool Integrations, Reasoning Optimizations, LLM Gateways.

Which projects share features with codelion/optillm?

Projects with overlapping indexed features include: agiresearch/aios — AIOS is an LLM agent operating system and orchestration kernel designed to manage memory, resource scheduling, and… langroid/langroid — Langroid is a multi-agent orchestration framework and tool integration suite designed for building complex AI… algorithmicsuperintelligence/optillm — OptiLLM is an AI reasoning and optimization framework that functions as an API proxy to enhance the response quality… jetbrains/koog — Koog is an LLM agent framework used to build autonomous entities that execute tool-based workflows. It utilizes a… lm-sys/routellm — RouteLLM is a routing framework and traffic manager designed to direct prompts between high-capability and low-cost… macpaw/openai — This is an asynchronous Swift client library for calling OpenAI’s API across Apple platforms. It provides native…

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    OptiLLM is an AI reasoning and optimization framework that functions as an API proxy to enhance the response quality of large language models. It intercepts requests to apply inference-time reasoning logic and output refinement before returning results to the client. The project distinguishes itself through a combination of inference-time search trees for logical verification and an anonymization pipeline that removes personally identifiable information from prompts. It further extends model capabilities by orchestrating external tools, including real-time code execution and autonomous web re

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