Add responseLogProbs and logProbs parameters to generateContentReq (#266

)

* Add responseLogProbs and logProbs parameters to generateContentReq

* update docs & test

* Update docs and add avglogprobs and logprobsresult as output

* update variable names in responses.ts

* Move parameters to GenerationConfig

* Update test cases for new parameters to test generationConfig

* Updated generatecontentresponse testcase

* Update case of logprobs

* put back parameters in test case

.changeset/cyan-pants-move.md

@@ -2,4 +2,4 @@
 "@google/generative-ai": minor
 ---
 
-Add `frequencyPenalty` and `presencePenalty` parameters support for `generateContent()`
+Add `frequencyPenalty`, `presencePenalty`, `responseLogprobs`, and `logProbs` parameters support for `generationConfig`. Added `avgLogprobs` and `logprobsResult` to `GenerateContentResponse`. Updated test cases. 

common/api-review/generative-ai.api.md

@@ -6,10 +6,8 @@
 
 // @public
 export interface BaseParams {
-    frequencyPenalty?: number;
     // (undocumented)
     generationConfig?: GenerationConfig;
-    presencePenalty?: number;
     // (undocumented)
     safetySettings?: SafetySetting[];
 }
@@ -371,6 +369,7 @@ export interface FunctionResponsePart {
 
 // @public
 export interface GenerateContentCandidate {
+    avgLogprobs?: number;
     // (undocumented)
     citationMetadata?: CitationMetadata;
     // (undocumented)
@@ -381,6 +380,7 @@ export interface GenerateContentCandidate {
     finishReason?: FinishReason;
     // (undocumented)
     index: number;
+    logprobsResult?: LogprobsResult;
     // (undocumented)
     safetyRatings?: SafetyRating[];
 }
@@ -429,8 +429,12 @@ export interface GenerateContentStreamResult {
 export interface GenerationConfig {
     // (undocumented)
     candidateCount?: number;
+    frequencyPenalty?: number;
+    logprobs?: number;
     // (undocumented)
     maxOutputTokens?: number;
+    presencePenalty?: number;
+    responseLogprobs?: boolean;
     responseMimeType?: string;
     responseSchema?: ResponseSchema;
     // (undocumented)
@@ -460,17 +464,13 @@ export class GenerativeModel {
     cachedContent: CachedContent;
     countTokens(request: CountTokensRequest | string | Array<string | Part>, requestOptions?: SingleRequestOptions): Promise<CountTokensResponse>;
     embedContent(request: EmbedContentRequest | string | Array<string | Part>, requestOptions?: SingleRequestOptions): Promise<EmbedContentResponse>;
-    // (undocumented)
-    frequencyPenalty?: number;
     generateContent(request: GenerateContentRequest | string | Array<string | Part>, requestOptions?: SingleRequestOptions): Promise<GenerateContentResult>;
     generateContentStream(request: GenerateContentRequest | string | Array<string | Part>, requestOptions?: SingleRequestOptions): Promise<GenerateContentStreamResult>;
     // (undocumented)
     generationConfig: GenerationConfig;
     // (undocumented)
     model: string;
     // (undocumented)
-    presencePenalty?: number;
-    // (undocumented)
     safetySettings: SafetySetting[];
     startChat(startChatParams?: StartChatParams): ChatSession;
     // (undocumented)
@@ -577,6 +577,19 @@ export interface InlineDataPart {
     text?: never;
 }
 
+// @public
+export interface LogprobsCandidate {
+    logProbability: number;
+    token: string;
+    tokenID: number;
+}
+
+// @public
+export interface LogprobsResult {
+    chosenCandidates: LogprobsCandidate[];
+    topCandidates: TopCandidates[];
+}
+
 // @public
 export interface ModelParams extends BaseParams {
     // (undocumented)
@@ -730,6 +743,11 @@ export interface ToolConfig {
     functionCallingConfig: FunctionCallingConfig;
 }
 
+// @public
+export interface TopCandidates {
+    candidates: LogprobsCandidate[];
+}
+
 // @public
 export interface UsageMetadata {
     cachedContentTokenCount?: number;

docs/reference/main/generative-ai.baseparams.md

@@ -16,8 +16,6 @@ export interface BaseParams
 
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
-|  [frequencyPenalty?](./generative-ai.baseparams.frequencypenalty.md) |  | number | _(Optional)_ Frequency penalty applied to the next token's logprobs, multiplied by the number of times each token has been seen in the respponse so far. |
 |  [generationConfig?](./generative-ai.baseparams.generationconfig.md) |  | [GenerationConfig](./generative-ai.generationconfig.md) | _(Optional)_ |
-|  [presencePenalty?](./generative-ai.baseparams.presencepenalty.md) |  | number | _(Optional)_ Presence penalty applied to the next token's logprobs if the token has already been seen in the response. |
 |  [safetySettings?](./generative-ai.baseparams.safetysettings.md) |  | [SafetySetting](./generative-ai.safetysetting.md)<!-- -->\[\] | _(Optional)_ |
 

docs/reference/main/generative-ai.generatecontentcandidate.avglogprobs.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [GenerateContentCandidate](./generative-ai.generatecontentcandidate.md) &gt; [avgLogprobs](./generative-ai.generatecontentcandidate.avglogprobs.md)
+
+## GenerateContentCandidate.avgLogprobs property
+
+Average log probability score of the candidate.
+
+**Signature:**
+
+```typescript
+avgLogprobs?: number;
+```

docs/reference/main/generative-ai.generatecontentcandidate.logprobsresult.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [GenerateContentCandidate](./generative-ai.generatecontentcandidate.md) &gt; [logprobsResult](./generative-ai.generatecontentcandidate.logprobsresult.md)
+
+## GenerateContentCandidate.logprobsResult property
+
+Log-likelihood scores for the response tokens and top tokens.
+
+**Signature:**
+
+```typescript
+logprobsResult?: LogprobsResult;
+```

docs/reference/main/generative-ai.generatecontentcandidate.md

@@ -16,10 +16,12 @@ export interface GenerateContentCandidate
 
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
+|  [avgLogprobs?](./generative-ai.generatecontentcandidate.avglogprobs.md) |  | number | _(Optional)_ Average log probability score of the candidate. |
 |  [citationMetadata?](./generative-ai.generatecontentcandidate.citationmetadata.md) |  | [CitationMetadata](./generative-ai.citationmetadata.md) | _(Optional)_ |
 |  [content](./generative-ai.generatecontentcandidate.content.md) |  | [Content](./generative-ai.content.md) |  |
 |  [finishMessage?](./generative-ai.generatecontentcandidate.finishmessage.md) |  | string | _(Optional)_ |
 |  [finishReason?](./generative-ai.generatecontentcandidate.finishreason.md) |  | [FinishReason](./generative-ai.finishreason.md) | _(Optional)_ |
 |  [index](./generative-ai.generatecontentcandidate.index.md) |  | number |  |
+|  [logprobsResult?](./generative-ai.generatecontentcandidate.logprobsresult.md) |  | [LogprobsResult](./generative-ai.logprobsresult.md) | _(Optional)_ Log-likelihood scores for the response tokens and top tokens. |
 |  [safetyRatings?](./generative-ai.generatecontentcandidate.safetyratings.md) |  | [SafetyRating](./generative-ai.safetyrating.md)<!-- -->\[\] | _(Optional)_ |
 

docs/reference/main/generative-ai.baseparams.frequencypenalty.md → docs/reference/main/generative-ai.generationconfig.frequencypenalty.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [BaseParams](./generative-ai.baseparams.md) &gt; [frequencyPenalty](./generative-ai.baseparams.frequencypenalty.md)
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [GenerationConfig](./generative-ai.generationconfig.md) &gt; [frequencyPenalty](./generative-ai.generationconfig.frequencypenalty.md)
 
-## BaseParams.frequencyPenalty property
+## GenerationConfig.frequencyPenalty property
 
 Frequency penalty applied to the next token's logprobs, multiplied by the number of times each token has been seen in the respponse so far.
 

docs/reference/main/generative-ai.generationconfig.logprobs.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [GenerationConfig](./generative-ai.generationconfig.md) &gt; [logprobs](./generative-ai.generationconfig.logprobs.md)
+
+## GenerationConfig.logprobs property
+
+Valid if responseLogProbs is set to True. This will set the number of top logprobs to return at each decoding step in the logprobsResult.
+
+**Signature:**
+
+```typescript
+logprobs?: number;
+```

docs/reference/main/generative-ai.generationconfig.md

@@ -17,7 +17,11 @@ export interface GenerationConfig
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
 |  [candidateCount?](./generative-ai.generationconfig.candidatecount.md) |  | number | _(Optional)_ |
+|  [frequencyPenalty?](./generative-ai.generationconfig.frequencypenalty.md) |  | number | _(Optional)_ Frequency penalty applied to the next token's logprobs, multiplied by the number of times each token has been seen in the respponse so far. |
+|  [logprobs?](./generative-ai.generationconfig.logprobs.md) |  | number | _(Optional)_ Valid if responseLogProbs is set to True. This will set the number of top logprobs to return at each decoding step in the logprobsResult. |
 |  [maxOutputTokens?](./generative-ai.generationconfig.maxoutputtokens.md) |  | number | _(Optional)_ |
+|  [presencePenalty?](./generative-ai.generationconfig.presencepenalty.md) |  | number | _(Optional)_ Presence penalty applied to the next token's logprobs if the token has already been seen in the response. |
+|  [responseLogprobs?](./generative-ai.generationconfig.responselogprobs.md) |  | boolean | _(Optional)_ If True, export the logprobs results in response. |
 |  [responseMimeType?](./generative-ai.generationconfig.responsemimetype.md) |  | string | _(Optional)_ Output response mimetype of the generated candidate text. Supported mimetype: <code>text/plain</code>: (default) Text output. <code>application/json</code>: JSON response in the candidates. |
 |  [responseSchema?](./generative-ai.generationconfig.responseschema.md) |  | [ResponseSchema](./generative-ai.responseschema.md) | _(Optional)_ Output response schema of the generated candidate text. Note: This only applies when the specified <code>responseMIMEType</code> supports a schema; currently this is limited to <code>application/json</code>. |
 |  [stopSequences?](./generative-ai.generationconfig.stopsequences.md) |  | string\[\] | _(Optional)_ |

docs/reference/main/generative-ai.baseparams.presencepenalty.md → docs/reference/main/generative-ai.generationconfig.presencepenalty.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [BaseParams](./generative-ai.baseparams.md) &gt; [presencePenalty](./generative-ai.baseparams.presencepenalty.md)
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [GenerationConfig](./generative-ai.generationconfig.md) &gt; [presencePenalty](./generative-ai.generationconfig.presencepenalty.md)
 
-## BaseParams.presencePenalty property
+## GenerationConfig.presencePenalty property
 
 Presence penalty applied to the next token's logprobs if the token has already been seen in the response.
 

docs/reference/main/generative-ai.generationconfig.responselogprobs.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [GenerationConfig](./generative-ai.generationconfig.md) &gt; [responseLogprobs](./generative-ai.generationconfig.responselogprobs.md)
+
+## GenerationConfig.responseLogprobs property
+
+If True, export the logprobs results in response.
+
+**Signature:**
+
+```typescript
+responseLogprobs?: boolean;
+```

docs/reference/main/generative-ai.generativemodel.md

@@ -24,10 +24,8 @@ export declare class GenerativeModel
 |  --- | --- | --- | --- |
 |  [apiKey](./generative-ai.generativemodel.apikey.md) |  | string |  |
 |  [cachedContent](./generative-ai.generativemodel.cachedcontent.md) |  | [CachedContent](./generative-ai.cachedcontent.md) |  |
-|  [frequencyPenalty?](./generative-ai.generativemodel.frequencypenalty.md) |  | number | _(Optional)_ |
 |  [generationConfig](./generative-ai.generativemodel.generationconfig.md) |  | [GenerationConfig](./generative-ai.generationconfig.md) |  |
 |  [model](./generative-ai.generativemodel.model.md) |  | string |  |
-|  [presencePenalty?](./generative-ai.generativemodel.presencepenalty.md) |  | number | _(Optional)_ |
 |  [safetySettings](./generative-ai.generativemodel.safetysettings.md) |  | [SafetySetting](./generative-ai.safetysetting.md)<!-- -->\[\] |  |
 |  [systemInstruction?](./generative-ai.generativemodel.systeminstruction.md) |  | [Content](./generative-ai.content.md) | _(Optional)_ |
 |  [toolConfig?](./generative-ai.generativemodel.toolconfig.md) |  | [ToolConfig](./generative-ai.toolconfig.md) | _(Optional)_ |

docs/reference/main/generative-ai.logprobscandidate.logprobability.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [LogprobsCandidate](./generative-ai.logprobscandidate.md) &gt; [logProbability](./generative-ai.logprobscandidate.logprobability.md)
+
+## LogprobsCandidate.logProbability property
+
+The candidate's log probability.
+
+**Signature:**
+
+```typescript
+logProbability: number;
+```

docs/reference/main/generative-ai.logprobscandidate.md

@@ -0,0 +1,22 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [LogprobsCandidate](./generative-ai.logprobscandidate.md)
+
+## LogprobsCandidate interface
+
+Candidate for the logprobs token and score.
+
+**Signature:**
+
+```typescript
+export interface LogprobsCandidate 
+```
+
+## Properties
+
+|  Property | Modifiers | Type | Description |
+|  --- | --- | --- | --- |
+|  [logProbability](./generative-ai.logprobscandidate.logprobability.md) |  | number | The candidate's log probability. |
+|  [token](./generative-ai.logprobscandidate.token.md) |  | string | The candidate's token string value. |
+|  [tokenID](./generative-ai.logprobscandidate.tokenid.md) |  | number | The candidate's token id value. |
+

docs/reference/main/generative-ai.logprobscandidate.token.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [LogprobsCandidate](./generative-ai.logprobscandidate.md) &gt; [token](./generative-ai.logprobscandidate.token.md)
+
+## LogprobsCandidate.token property
+
+The candidate's token string value.
+
+**Signature:**
+
+```typescript
+token: string;
+```

docs/reference/main/generative-ai.logprobscandidate.tokenid.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [LogprobsCandidate](./generative-ai.logprobscandidate.md) &gt; [tokenID](./generative-ai.logprobscandidate.tokenid.md)
+
+## LogprobsCandidate.tokenID property
+
+The candidate's token id value.
+
+**Signature:**
+
+```typescript
+tokenID: number;
+```

docs/reference/main/generative-ai.logprobsresult.chosencandidates.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [LogprobsResult](./generative-ai.logprobsresult.md) &gt; [chosenCandidates](./generative-ai.logprobsresult.chosencandidates.md)
+
+## LogprobsResult.chosenCandidates property
+
+Length = total number of decoding steps. The chosen candidates may or may not be in topCandidates.
+
+**Signature:**
+
+```typescript
+chosenCandidates: LogprobsCandidate[];
+```

docs/reference/main/generative-ai.logprobsresult.md

@@ -0,0 +1,21 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [LogprobsResult](./generative-ai.logprobsresult.md)
+
+## LogprobsResult interface
+
+Logprobs Result
+
+**Signature:**
+
+```typescript
+export interface LogprobsResult 
+```
+
+## Properties
+
+|  Property | Modifiers | Type | Description |
+|  --- | --- | --- | --- |
+|  [chosenCandidates](./generative-ai.logprobsresult.chosencandidates.md) |  | [LogprobsCandidate](./generative-ai.logprobscandidate.md)<!-- -->\[\] | Length = total number of decoding steps. The chosen candidates may or may not be in topCandidates. |
+|  [topCandidates](./generative-ai.logprobsresult.topcandidates.md) |  | [TopCandidates](./generative-ai.topcandidates.md)<!-- -->\[\] | Length = total number of decoding steps. |
+

docs/reference/main/generative-ai.logprobsresult.topcandidates.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [LogprobsResult](./generative-ai.logprobsresult.md) &gt; [topCandidates](./generative-ai.logprobsresult.topcandidates.md)
+
+## LogprobsResult.topCandidates property
+
+Length = total number of decoding steps.
+
+**Signature:**
+
+```typescript
+topCandidates: TopCandidates[];
+```

docs/reference/main/generative-ai.md

@@ -74,6 +74,8 @@
 |  [GenerationConfig](./generative-ai.generationconfig.md) | Config options for content-related requests |
 |  [GenerativeContentBlob](./generative-ai.generativecontentblob.md) | Interface for sending an image. |
 |  [InlineDataPart](./generative-ai.inlinedatapart.md) | Content part interface if the part represents an image. |
+|  [LogprobsCandidate](./generative-ai.logprobscandidate.md) | Candidate for the logprobs token and score. |
+|  [LogprobsResult](./generative-ai.logprobsresult.md) | Logprobs Result |
 |  [ModelParams](./generative-ai.modelparams.md) | Params passed to [GoogleGenerativeAI.getGenerativeModel()](./generative-ai.googlegenerativeai.getgenerativemodel.md)<!-- -->. |
 |  [PromptFeedback](./generative-ai.promptfeedback.md) | If the prompt was blocked, this will be populated with <code>blockReason</code> and the relevant <code>safetyRatings</code>. |
 |  [RequestOptions](./generative-ai.requestoptions.md) | Params passed to getGenerativeModel() or GoogleAIFileManager(). |
@@ -85,6 +87,7 @@
 |  [StartChatParams](./generative-ai.startchatparams.md) | Params for [GenerativeModel.startChat()](./generative-ai.generativemodel.startchat.md)<!-- -->. |
 |  [TextPart](./generative-ai.textpart.md) | Content part interface if the part represents a text string. |
 |  [ToolConfig](./generative-ai.toolconfig.md) | Tool config. This config is shared for all tools provided in the request. |
+|  [TopCandidates](./generative-ai.topcandidates.md) | Candidates with top log probabilities at each decoding step |
 |  [UsageMetadata](./generative-ai.usagemetadata.md) | Metadata on the generation request's token usage. |
 
 ## Variables

docs/reference/main/generative-ai.topcandidates.candidates.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@google/generative-ai](./generative-ai.md) &gt; [TopCandidates](./generative-ai.topcandidates.md) &gt; [candidates](./generative-ai.topcandidates.candidates.md)
+
+## TopCandidates.candidates property
+
+Sorted by log probability in descending order.
+
+**Signature:**
+
+```typescript
+candidates: LogprobsCandidate[];
+```