GraphBit - High Performance Agentic Framework
 
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Type-Safe AI Agent Workflows with Rust Performance
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GraphBit is an open-source agentic AI framework for deterministic, concurrent, low-overhead execution.
Why GraphBit?
Efficiency decides who scales. GraphBit is built for developers who need deterministic, concurrent, and ultra-efficient AI execution without the overhead.
Built with a Rust core and a minimal Python layer, GraphBit delivers up to 68× lower CPU usage and 140× lower memory footprint than other frameworks, while maintaining equal or greater throughput.
It powers multi-agent workflows that run in parallel, persist memory across steps, self-recover from failures, and ensure 100% task reliability. GraphBit is built for production workloads, from enterprise AI systems to low-resource edge deployments.
Used in Production
Grant Thornton Germany adopted GraphBit to move AI from "permanent pilot" to production without regulatory risk as a core component of their tech stack.
Key Features
- Tool Selection - LLMs intelligently choose tools based on descriptions
- Type Safety - Strong typing through every execution layer
- Reliability - Circuit breakers, retry policies, and error handling and fault recovery
- Multi-LLM Support - OpenAI, Azure OpenAI, Anthropic, OpenRouter, DeepSeek, Replicate, Ollama, TogetherAI and more
- Resource Management - Concurrency controls and memory optimization
- Observability - Built-in tracing, structured logs, and performance metrics
Benchmark
GraphBit was built for efficiency at scale, not theoretical claims, but measured results.
Our internal benchmark suite compared GraphBit to leading Python-based agent frameworks across identical workloads.
| Metric | GraphBit | Other Frameworks | Gain |
|---|---|---|---|
| CPU Usage | 1.0× baseline | 68.3× higher | ~68× CPU |
| Memory Footprint | 1.0× baseline | 140× higher | ~140× Memory |
| Execution Speed | ≈ equal / faster | — | Consistent throughput |
| Determinism | 100% success | Variable | Guaranteed reliability |
GraphBit consistently delivers production-grade efficiency across LLM calls, tool invocations, and multi-agent chains.
Benchmark Demo
Watch the GraphBit Benchmark Demo
When to Use GraphBit
Choose GraphBit if you need:
- Production-grade multi-agent systems that won't collapse under load
- Type-safe execution and reproducible outputs
- Real-time orchestration for hybrid or streaming AI applications
- Rust-level efficiency with Python-level ergonomics
If you're scaling beyond prototypes or care about runtime determinism, GraphBit is for you.
Quick Start
Installation
Recommended to use virtual environment.
pip install graphbit
Quick Start Video Tutorial
Watch the Install GraphBit via PyPI | Full Example & Run Guide tutorial
Environment Setup
Set up API keys you want to use in your project:
# OpenAI (optional – required if using OpenAI models)
export OPENAI_API_KEY=your_openai_api_key_here
# Anthropic (optional – required if using Anthropic models)
export ANTHROPIC_API_KEY=your_anthropic_api_key_here
Security Note: Never commit API keys to version control. Always use environment variables or secure secret management.
Basic Usage
import os
from graphbit import LlmConfig, Executor, Workflow, Node, tool, GuardRailPolicyConfig
# Initialize and configure
config = LlmConfig.openai(os.getenv("OPENAI_API_KEY"), "gpt-4o-mini")
# Create executor
executor = Executor(config)
# Create tools with clear descriptions for LLM selection
@tool(_description="Get current weather information for any city")
def get_weather(location: str) -> dict:
return {"location": location, "temperature": 22, "condition": "sunny"}
@tool(_description="Perform mathematical calculations and return results")
def calculate(expression: str) -> str:
return f"Result: {eval(expression)}"
# Build workflow
workflow = Workflow("Analysis Pipeline")
# Create agent nodes
smart_agent = Node.agent(
name="Smart Agent",
prompt="What's the weather in Paris and calculate 15 + 27?",
system_prompt="You are an assistant skilled in weather lookup and math calculations. Use tools to answer queries accurately.",
tools=[get_weather, calculate]
)
processor = Node.agent(
name="Data Processor",
prompt="Process the results obtained from Smart Agent.",
system_prompt="""You process and organize results from other agents.
- Summarize and clarify key points
- Structure your output for easy reading
- Focus on actionable insights
"""
)
# Connect and execute
id1 = workflow.add_node(smart_agent)
id2 = workflow.add_node(processor)
workflow.connect(id1, id2)
# Run (optionally with a guardrail policy for PII masking/mapping)
result = executor.execute(workflow)
# Or with policy: result = executor.execute(workflow, policy=GuardRailPolicyConfig.from_json('{"guardrail_policy": {"pii_rules": [...]}}'))
print(f"Workflow completed: {result.is_success()}")
print("\nSmart Agent Output: \n", result.get_node_output("Smart Agent"))
print("\nData Processor Output: \n", result.get_node_output("Data Processor"))
Building Your First Agent Workflow by GraphBit
Watch the Making Agent Workflow by GraphBit tutorial
Observability & Tracing
GraphBit Tracer captures and monitors LLM calls and AI workflows with minimal configuration. It wraps GraphBit LLM clients and workflow executors to trace prompts, responses, token usage, latency, and errors without changing your code.
Watch the GraphBit Observability & Tracing tutorial
High-Level Architecture
Three-tier design for reliability and performance:
- Rust Core - Workflow engine, agents, and LLM providers
- Orchestration Layer - Project management and execution
- Python API - PyO3 bindings with async support
Python API Integrations
GraphBit provides a rich Python API for building and integrating agentic workflows:
- LLM Clients - Multi-provider LLM integrations (OpenAI, Anthropic, Azure, and more)
- Workflows - Define and manage multi-agent workflow graphs with state management
- Nodes - Agent nodes, tool nodes, and custom workflow components
- Executors - Workflow execution engine with configuration management
- Tool System - Function decorators, registry, and execution framework for agent tools
- Workflow Results - Execution results with metadata, timing, and output access
- Embeddings - Vector embeddings for semantic search and retrieval
- Workflow Context - Shared state and variables across workflow execution
- Document Loaders - Load and parse documents from multiple formats (PDF, DOCX, TXT, JSON, CSV, XML, HTML)
- Text Splitters - Split documents into chunks (character, token, sentence, recursive)
For the complete list of classes, methods, and usage examples, see the Python API Reference.
Ecosystem & Extensions
GraphBit's modular architecture supports external integrations:
| Category | Examples |
|---|---|
| LLM Providers | OpenAI, Anthropic, Azure OpenAI, DeepSeek, Together, Ollama, OpenRouter, Fireworks, Mistral AI, Replicate, Perplexity, HuggingFace, AI21, Bytedance, xAI, and more |
| Vector Stores | Pinecone, Qdrant, Chroma, Milvus, Weaviate, FAISS, Elasticsearch, AstraDB, Redis, and more |
| Databases | PostgreSQL (PGVector), MongoDB, MariaDB, IBM DB2, Redis, and more |
| Cloud Platforms | AWS (Boto3), Azure, Google Cloud Platform, and more |
| Search APIs | Serper, Google Search, GitHub Search, GitLab Search, and more |
| Embedding Models | OpenAI Embeddings, Voyage AI, and more |
Extensions are developed and maintained by the community.
Contributing to GraphBit
We welcome contributions. To get started, please see the Contributing file for development setup and guidelines.
GraphBit is built by a wonderful community of researchers and engineers.
Security
GraphBit is committed to maintaining security standards for our agentic framework. We recommend using environment variables for API keys, keeping GraphBit updated, and using proper secret management for production environments. If you discover a security vulnerability, please report it responsibly through GitHub Security or via email rather than creating a public issue.
For detailed reporting procedures and response timelines, see our Security Policy.
License
GraphBit project is licensed under the Apache License, Version 2.0.
For complete terms and conditions, see the Full License.
Copyright © 2023–2026 InfinitiBit GmbH. All rights reserved.