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ThinkingLevel

adk_rust::model::gemini

Enum ThinkingLevel 

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pub enum ThinkingLevel {
    Minimal,
    Low,
    Medium,
    High,
}
Available on crate features gemini and models only.
Expand description

Native thinking level for Gemini 3 models.

Controls the amount of reasoning effort the model applies. This is the Gemini 3 native thinking control — for Gemini 2.5 budget-based thinking, use ThinkingConfig::with_thinking_budget instead.

Serializes as lowercase per the Gemini API contract (e.g., "low", "high").

Available levels (model support and defaults vary by model):

  • Minimal — matches “no thinking” for most queries; model may still think minimally for complex coding tasks. Not supported on Gemini 3.1 Pro.
  • Low — minimizes latency and cost; improved for code and agentic tasks that require fewer steps.
  • Medium — balanced thinking for most tasks. Default for Gemini 3.5 Flash.
  • High — maximizes reasoning depth. Default for Gemini 3 Flash Preview and Gemini 3.1 Pro.

Note: temperature, top_p, and top_k are no longer recommended for Gemini 3.x models — their reasoning is tuned for the default sampling settings. Use thinking_level to control reasoning effort instead.

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Minimal

Minimal reasoning effort. Matches “no thinking” for most queries. Not supported on Gemini 3.1 Pro.

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Low

Low reasoning effort. Best for simple instruction following and chat.

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Medium

Medium reasoning effort. Balanced thinking for most tasks. Default for Gemini 3.5 Flash.

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High

High reasoning effort — maximizes reasoning depth. Default for Gemini 3 Flash Preview and Gemini 3.1 Pro.

Trait Implementations§

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impl Clone for ThinkingLevel

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fn clone(&self) -> ThinkingLevel

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for ThinkingLevel

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impl Debug for ThinkingLevel

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for ThinkingLevel

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fn deserialize<__D>( __deserializer: __D, ) -> Result<ThinkingLevel, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Eq for ThinkingLevel

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impl PartialEq for ThinkingLevel

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl Serialize for ThinkingLevel

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

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for ThinkingLevel

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