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 2.5 Flash
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Gemini 2.5 Flash is a thinking model that offers great, well-rounded capabilities. It is designed to offer a balance between price and performance.

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Note: To use the "Deploy example app" feature, you need a Google Cloud project with billing and Vertex AI API enabled.

Technical specifications
Model ID	`gemini-2.5-flash-preview-04-17`
Supported inputs & outputs	Inputs: Text, Code, Images, Audio, Video Outputs: Text
Token limits	Maximum input tokens: 1,048,576 Maximum output tokens: 65,535
Capabilities	Supported Grounding with Google Search Code execution System instructions Controlled generation Function calling Count Tokens Thinking Preview feature Context caching Vertex AI RAG Engine Chat completions Not supported Tuning Batch prediction Live API Preview feature
Usage types	Supported Dynamic shared quota Not supported Fixed quota Provisioned Throughput
	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 for the API or Cloud Storage imports: 50 MB Maximum file size per file for direct uploads through the console: 7 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: 0.95 topK: 64 (fixed) candidateCount: 1-8
Knowledge cutoff date	January 2025
Versions	`gemini-2.5-flash-preview-04-17` Launch stage: Public preview Release date: April 17, 2025
Supported regions
	Model availability	Global global United States us-central1
	See Data residency for more information.
Security controls
Security controls	See Security controls for more information.
Pricing	See Pricing.

Gemini 2.5 Flash Stay organized with collections Save and categorize content based on your preferences.

Gemini 2.5 Flash
Stay organized with collections Save and categorize content based on your preferences.