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//! Types for the Gemini Models API (`models.list` and `models.get`).
//!
//! These types represent the metadata returned by the Gemini API about
//! available models, including token limits, supported methods, and
//! default generation parameters.
use serde::{Deserialize, Serialize};
/// Information about a Generative Language Model returned by the API.
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct ModelInfo {
/// Resource name in `models/{model}` format.
pub name: String,
/// Base model identifier (e.g. `gemini-2.5-flash`).
#[serde(default)]
pub base_model_id: String,
/// Version string (e.g. `2.5`).
#[serde(default)]
pub version: String,
/// Human-readable display name.
#[serde(default)]
pub display_name: String,
/// Short description of the model.
#[serde(default)]
pub description: String,
/// Maximum number of input tokens.
#[serde(default)]
pub input_token_limit: u32,
/// Maximum number of output tokens.
#[serde(default)]
pub output_token_limit: u32,
/// Supported generation methods (e.g. `generateContent`, `embedContent`).
#[serde(default)]
pub supported_generation_methods: Vec<String>,
/// Whether the model supports thinking/reasoning.
#[serde(default)]
pub thinking: bool,
/// Default temperature.
#[serde(skip_serializing_if = "Option::is_none")]
pub temperature: Option<f64>,
/// Maximum allowed temperature.
#[serde(skip_serializing_if = "Option::is_none")]
pub max_temperature: Option<f64>,
/// Default top-p value.
#[serde(skip_serializing_if = "Option::is_none")]
pub top_p: Option<f64>,
/// Default top-k value.
#[serde(skip_serializing_if = "Option::is_none")]
pub top_k: Option<u32>,
}
impl ModelInfo {
/// Returns true if this model supports `generateContent`.
pub fn supports_generate_content(&self) -> bool {
self.supported_generation_methods.iter().any(|m| m == "generateContent")
}
/// Returns true if this model supports `embedContent`.
pub fn supports_embed_content(&self) -> bool {
self.supported_generation_methods.iter().any(|m| m == "embedContent")
}
}
/// Paginated response from `models.list`.
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct ListModelsResponse {
/// The returned models.
#[serde(default)]
pub models: Vec<ModelInfo>,
/// Token for the next page, if any.
#[serde(skip_serializing_if = "Option::is_none")]
pub next_page_token: Option<String>,
}