Function executeGeminiRequest

apps/sim/providers/gemini/core.ts:896–1277

(
  config: GeminiExecutionConfig
)

 * The only difference is how the GoogleGenAI client is configured.
 */
export async function executeGeminiRequest(
  config: GeminiExecutionConfig
): Promise<ProviderResponse | StreamingExecution> {
  const { ai, model, request, providerType } = config

  // Route deep research models to the interactions API
  if (isDeepResearchModel(model)) {
    return executeDeepResearchRequest(config)
  }

  const logger = createLogger(providerType === 'google' ? 'GoogleProvider' : 'VertexProvider')

  logger.info(`Preparing ${providerType} Gemini request`, {
    model,
    hasSystemPrompt: !!request.systemPrompt,
    hasMessages: !!request.messages?.length,
    hasTools: !!request.tools?.length,
    toolCount: request.tools?.length ?? 0,
    hasResponseFormat: !!request.responseFormat,
    streaming: !!request.stream,
  })

  const providerStartTime = Date.now()
  const providerStartTimeISO = new Date(providerStartTime).toISOString()

  try {
    const { contents, tools, systemInstruction } = convertToGeminiFormat(request, providerType)

    // Build configuration
    const geminiConfig: GenerateContentConfig = {}

    if (request.abortSignal) {
      geminiConfig.abortSignal = request.abortSignal
    }
    if (request.temperature !== undefined) {
      geminiConfig.temperature = request.temperature
    }
    if (request.maxTokens != null) {
      geminiConfig.maxOutputTokens = request.maxTokens
    }
    if (systemInstruction) {
      geminiConfig.systemInstruction = systemInstruction
    }

    // Handle response format
    if (request.responseFormat && !tools?.length) {
      geminiConfig.responseMimeType = 'application/json'
      geminiConfig.responseSchema = cleanSchemaForGemini(request.responseFormat.schema) as Schema
      logger.info('Using Gemini native structured output format')
    } else if (request.responseFormat && tools?.length && isGemini3Model(model)) {
      geminiConfig.responseMimeType = 'application/json'
      geminiConfig.responseJsonSchema = request.responseFormat.schema
      logger.info('Using Gemini 3 structured output with tools (responseJsonSchema)')
    } else if (request.responseFormat && tools?.length) {
      logger.warn(
        'Gemini 2 does not support responseFormat with tools. Structured output will be applied after tool execution.'
      )
    }