Starting April 29, 2025, Gemini 1.5 Pro and Gemini 1.5 Flash models are not available in projects that have no prior usage of these models, including new projects. For details, see Model versions and lifecycle.

Gemini 1.5 Flash

Gemini 1.5 Flash is a multimodal model that supports adding image, audio, video, and PDF files in text or chat prompts for a text or code response. This model supports long-context understanding up to the maximum input token limit.

Technical specifications
Model ID	`gemini-1.5-flash`
Supported inputs & outputs	Inputs: Text, Code, Images, Audio, Video Outputs: Text
Token limits	Maximum input tokens: 1,048,576 Maximum output tokens: 8,192 (default)
Capabilities	Supported Grounding with Google Search Tuning System instructions Structured output Batch prediction Function calling Count Tokens Context caching Vertex AI RAG Engine Not supported Code execution Live API Preview feature Thinking
Usage types	Supported Fixed quota Provisioned Throughput Dynamic shared quota Not supported
Input size limit	500 MB
	Images	Maximum images per prompt: 3,000 Maximum image size: 7 MB Supported MIME types: `image/png`, `image/jpeg`, `image/webp`
	Documents	Maximum number of files per prompt: 3,000 Maximum number of pages per file: 1,000 Maximum file size per file: 50 MB Supported MIME types: `application/pdf`, `text/plain`
	Video	Maximum video length (with audio): Approximately 45 minutes Maximum video length (without audio): Approximately 1 hour Maximum number of videos per prompt: 10 Supported MIME types: `video/x-flv`, `video/quicktime`, `video/mpeg`, `video/mpegs`, `video/mpg`, `video/mp4`, `video/webm`, `video/wmv`, `video/3gpp`
	Audio	Maximum audio length per prompt: Appropximately 8.4 hours, or up to 1 million tokens Maximum number of audio files per prompt: 1 Speech understanding for: Audio summarization, transcription, and translation Supported MIME types: `audio/x-aac`, `audio/flac`, `audio/mp3`, `audio/m4a`, `audio/mpeg`, `audio/mpga`, `audio/mp4`, `audio/opus`, `audio/pcm`, `audio/wav`, `audio/webm`
	Parameter defaults	Temperature: 0–2 topP: 0.0-1.0 (default 0.95) topK: 64 (fixed) candidateCount: 1–8
Supported regions
	Model availability (Includes dynamic shared quota & Provisioned Throughput)	United States us-central1 us-east1 us-east4 us-east5 us-south1 us-west1 us-west4 Canada northamerica-northeast1 South America southamerica-east1 Europe europe-central2 europe-north1 europe-southwest1 europe-west1 europe-west2 europe-west3 europe-west4 europe-west6 europe-west8 europe-west9 Asia Pacific asia-east1 asia-east2 asia-northeast1 asia-northeast3 asia-south1 asia-southeast1 Middle East me-central1 me-central2 me-west1
	ML processing	United States Multi-region Canada northamerica-northeast1 Europe Multi-region europe-west2 europe-west3 Asia Pacific asia-northeast1 asia-south1 australia-southeast1
	See Data residency for more information.
Knowledge cutoff date	May 2024
Versions	`gemini-1.5-flash-002` Launch stage: Deprecated Release date: September 24, 2024 Discontinuation date: September 24, 2025 `gemini-1.5-flash-001` Launch stage: Deprecated Release date: May 24, 2024 Discontinuation date: May 24, 2025
Security controls
	Online prediction	Data residency (at rest) Supported Customer-managed encryption keys (CMEK) Supported VPC Service Controls Supported Access Transparency (AXT) Supported
	Batch prediction	Data residency (at rest) Supported Customer-managed encryption keys (CMEK) Not supported VPC Service Controls Supported Access Transparency (AXT) Not supported
	Tuning	Data residency (at rest) Supported Customer-managed encryption keys (CMEK) Supported VPC Service Controls Supported Access Transparency (AXT) Not supported
	Context caching	Data residency (at rest) Supported Customer-managed encryption keys (CMEK) Not supported VPC Service Controls Supported Access Transparency (AXT) Supported
	See Security controls for more information.
Pricing	See Pricing.

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Gemini 1.5 Flash