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feat(google): add serviceTier option to LLM #1428

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Merged
toubatbrian merged 1 commit into from
May 8, 2026
Merged

feat(google): add serviceTier option to LLM #1428

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5 changes: 5 additions & 0 deletions .changeset/google-llm-service-tier.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'@livekit/agents-plugin-google': patch
---

feat(google): add `serviceTier` option to LLM (e.g. `ServiceTier.PRIORITY`)
8 changes: 8 additions & 0 deletions plugins/google/src/llm.ts
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Expand Up @@ -37,6 +37,7 @@ export interface LLMOptions {
geminiTools?: LLMTools;
httpOptions?: types.HttpOptions;
seed?: number;
serviceTier?: types.ServiceTier;
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@chatgpt-codex-connector chatgpt-codex-connector Bot May 8, 2026

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P2 Badge Raise @google/genai minimum for serviceTier

This option depends on SDK support that was only added in @google/genai 1.47.0 (“Add service tier to GenerateContent”), but plugins/google/package.json still allows ^1.44.0. In projects that already resolve or override @google/genai to 1.44–1.46, this exported type references types.ServiceTier that does not exist, and the older SDK will not know how to forward the new config field. Please bump the dependency floor alongside adding this option so the advertised API is actually available wherever the plugin installs.

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}

export class LLM extends llm.LLM {
Expand Down Expand Up @@ -85,6 +86,7 @@ export class LLM extends llm.LLM {
* @param geminiTools - The Gemini-specific tools to use for the session.
* @param httpOptions - The HTTP options to use for the session.
* @param seed - Random seed for reproducible results. Defaults to undefined.
* @param serviceTier - The service tier for the request (e.g. ServiceTier.PRIORITY). Defaults to undefined.
*/
constructor(
{
Expand All @@ -105,6 +107,7 @@ export class LLM extends llm.LLM {
geminiTools,
httpOptions,
seed,
serviceTier,
}: LLMOptions = {
model: 'gemini-2.0-flash-001',
},
Expand Down Expand Up @@ -175,6 +178,7 @@ export class LLM extends llm.LLM {
geminiTools,
httpOptions,
seed,
serviceTier,
apiKey,
};
}
Expand Down Expand Up @@ -266,6 +270,10 @@ export class LLM extends llm.LLM {
extras.automaticFunctionCalling = this.#opts.automaticFunctionCallingConfig;
}

if (this.#opts.serviceTier !== undefined) {
extras.serviceTier = this.#opts.serviceTier;
}

geminiTools = geminiTools !== undefined ? geminiTools : this.#opts.geminiTools;

return new LLMStream(this, {
Expand Down
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