Gemini 3.5 Flash

Gemini 3.5 Flash delivers near-Pro intelligence at Flash-tier cost and speed: Pro-level coding proficiency, parallel agentic execution, all at the same price point as a Flash model.

To get started, view the introductory notebook for Gemini 3.5 Flash.

For more information on using the latest Gemini models, see Get started with Gemini 3.

Try in Agent Studio Deploy example app Developer guide Pricing

Note: "Deploy example app" requires a Google Cloud project with billing and Agent Platform API enabled.

Model ID	gemini-3.5-flash
Modalities	description Text Input and output photo Image Input only mic Audio Input only videocam Video Input only
Token limits	Context window	1,048,576
	Maximum output tokens	65,536
Capabilities	Thinking Supported System instructions Supported Structured output Supported Context caching Implicit context caching, explicit context caching Supported RAG Engine Supported Tuning Supervised fine-tuning, continuous tuning, reinforcement learning fine-tuning, tuning checkpoints Supported Agentic video understanding Not supported
Tools	Grounding Google Search, Parallel Web Search, Exa Web Search Supported Code execution Supported Function calling Supported URL context Supported Computer use Supported
APIs	GenerateContent API Supported Interactions API Supported Gemini Live API Not supported Count Tokens API Supported Chat Completions API Supported
Consumption options	Provisioned Throughput Supported Batch inference Supported Pay-as-you-go Standard PayGo with Usage Tiers, Flex PayGo, Priority PayGo Supported Fixed quota Not supported
Input size limit	GenerateContent API: 500 MiB compressed Interactions API: 256 MiB compressed (synchronous or streaming); 9.75 MiB uncompressed (deferred, when background and store are true)
Interactions API URI limit	Up to 100 distinct Cloud Storage (gs://) URIs per request across all modalities on the Interactions API, including URIs carried forward from earlier turns using previous_interaction_id. generateContent supports gs:// URIs up to the per-modality model item limits (up to 6,500 combined multimodal files when including plain-text files).
Technical specifications	Image	Maximum images per prompt: 3,000 (images and PDFs combined) Maximum inline part size (GenerateContent API): 256 MB Maximum file size per file from Cloud Storage: 2 GiB minus 500 KiB Maximum file size per file from public HTTP or HTTPS URLs: 15 MiB Maximum file size per file for direct local uploads in the console: 7 MiB inline (up to 50 MiB staged to Cloud Storage) Maximum file size per file for Google Drive imports in the console: 7 MB (10 MB total) Default resolution tokens: 1,120 Supported MIME types: image/png, image/jpeg, image/webp, image/heic, image/heif
	Text	Maximum number of files per prompt: 3,000 PDFs (shared with images; up to 6,500 total files when including plain text) Maximum number of pages per file: 3,000 Maximum inline part size (GenerateContent API): 256 MB Maximum file size per file from Cloud Storage: 2 GiB minus 500 KiB Maximum file size per file from public HTTP or HTTPS URLs: 15 MiB Maximum file size per file for direct local uploads in the console: 7 MiB inline (up to 50 MiB staged to Cloud Storage) Maximum file size per file for Google Drive imports in the console: 7 MB (10 MB total) Default resolution tokens: 560 OCR for scanned PDFs: Not used by default 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 Maximum inline part size (GenerateContent API): 256 MB Maximum file size per file from Cloud Storage: 2 GiB minus 500 KiB Maximum file size per file from public HTTP or HTTPS URLs: 15 MiB Default resolution tokens per frame: 70 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: Approximately 8.4 hours, or up to 1 million tokens Maximum number of audio files per prompt: 1,000 Maximum inline part size (GenerateContent API): 256 MB Maximum file size per file from Cloud Storage: 2 GiB minus 500 KiB Maximum file size per file from public HTTP or HTTPS URLs: 15 MiB 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/ogg, audio/pcm, audio/wav, audio/webm
	Parameter defaults	Temperature: 0.0-2.0 (default 1.0) topP: 0.0-1.0 (default 0.95) topK: 64 (fixed) candidateCount: 1–8 (default 1)
Supported regions	Model availability	Global: global Multi-region: us, eu Americas: northamerica-northeast1 Europe: europe-west2, europe-west3 Asia Pacific: asia-northeast1, asia-south1, asia-southeast1, australia-southeast1
	ML processing	Multi-region: us, eu Americas: northamerica-northeast1 Europe: europe-west2, europe-west3 Asia Pacific: asia-northeast1, asia-south1, asia-southeast1, australia-southeast1
	Provisioned Throughput	Global: global Multi-region: us, eu Europe: europe-west2, europe-west3 Asia Pacific: asia-northeast1, asia-south1, asia-southeast1, australia-southeast1
	Standard PayGo	Global: global Multi-region: us, eu
Versions	gemini-3.5-flash Launch stage: GA Release date: May 19, 2026 Retirement date^†: May 19, 2027 or later
Security controls	Online prediction	Data residency CMEK VPC-SC AXT
	Batch inference	Data residency CMEK VPC-SC AXT
	Tuning	Data residency CMEK VPC-SC AXT
	Context caching	Data residency CMEK VPC-SC AXT
	See Security controls for more information.

^† Listed retirement dates refer to retirement of support in Gemini Enterprise Agent Platform. Models may remain accessible through the Gemini API after these dates have passed. The Gemini API is not a Google Cloud offering and is subject to its own terms of service. For details, see the Gemini API documentation.

Note: In asia-northeast1, asia-south1, asia-southeast1, australia-southeast1, and europe-west2, only Single Zone Provisioned Throughput is supported.