Enum RerankParam 

pub enum RerankParam {
    Rerank25,
    Rerank25Lite,
    None,
}

The rerank request parameter: which Voyage model to rerank with, or none.

Omitting the parameter defaults to the full model (rerank-2.5). Clients reranking locally always send none (one rerank pass, structurally).

Variants

Rerank25

VoyageAI rerank-2.5 (the default; full quality).

Rerank25Lite

VoyageAI rerank-2.5-lite (lower latency; billed at half tokens, D5).

None

No server-side reranking (RRF order).

Implementations

impl RerankParam

pub const fn model_name(self) -> Option<&'static str>

The Voyage model name to call, or None when reranking is off.

pub const fn billed_tokens(self, total_tokens: u64) -> u64

Billed-equivalent tokens for a Voyage-reported total_tokens (D5): rerank-2.5-lite is charged at ceil(total / 2) — mirroring Voyage’s half-rate pricing for lite — everything else at face value.

Trait Implementations

impl Clone for RerankParam

fn clone(&self) -> RerankParam

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for RerankParam

impl Debug for RerankParam

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for RerankParam

fn default() -> RerankParam

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for RerankParam

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for RerankParam

impl PartialEq for RerankParam

fn eq(&self, other: &RerankParam) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for RerankParam

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for RerankParam