gemini-rust

A comprehensive Rust client for Google's Gemini API with full feature support.

Features

• 🏗️ Structured Output - Type-safe JSON schema generation
• 🧠 Thinking Mode - Gemini 2.5's reasoning capabilities
• 🔧 Function Calling - Parallel and compositional functions
• 🔍 Grounding - Google Search and URL context
• 💾 Context Caching - Efficient token management
• 🌊 Streaming - Real-time response streaming
• 🔄 Automatic Retries - With exponential backoff
• 🦀 100% Rust - Type-safe and memory-safe

Installation

Add to your Cargo.toml:

[dependencies]
gemini-rust = "0.1"

Or with specific features:

[dependencies]
gemini-rust = { version = "0.1", features = ["grounding", "caching"] }

Quick Start

use gemini_rust::prelude::*;

#[tokio::main]
async fn main() -> Result<()> {
    // Create client from GEMINI_API_KEY environment variable
    let client = GeminiClient::from_env()?;
    
    // Generate content
    let response = client
        .generate_content(None, GenerateContentRequest {
            contents: vec![Content::user("Hello, Gemini!")],
            ..Default::default()
        })
        .await?;
    
    println!("{:?}", response);
    Ok(())
}

License

Licensed under either of:

• Apache License, Version 2.0 (LICENSE-APACHE)