Gemini 2.5 Flash

Gemini 2.5 Flash is our best model in terms of price and performance, and offers well-rounded capabilities. Gemini 2.5 Flash is our first Flash model that features thinking capabilities, which lets you see the thinking process that the model goes through when generating its response.

For even more detailed technical information on Gemini 2.5 Flash (such as performance benchmarks, information on our training datasets, efforts on sustainability, intended usage and limitations, and our approach to ethics and safety), see our technical report on our Gemini 2.5 models.

Try in Agent Studio View in Model Garden View pricing

Model ID gemini-2.5-flash
Modalities
Text Input and output
Image Input only
Audio Input only
Video Input only
Token limits Context window 1,048,576
Maximum output tokens 65,535 (default)
Capabilities
Tools
Consumption options
Input size limit 500 MB
Technical specifications Image
  • Maximum images per prompt: 3,000
  • Maximum file size per file for inline data or direct uploads through the console: 7 MB
  • Maximum file size per file from Google Cloud Storage: 30 MB
  • Supported MIME types:
    image/png, image/jpeg, image/webp, image/heic, image/heif
Text
  • Maximum number of files per prompt: 3,000
  • Maximum number of pages per file: 3,000
  • Maximum file size per file for the API or Cloud Storage imports: 50 MB(application/pdf) or 7 MB(text/plain)
  • 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: Approximately 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/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
  • 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-west8, europe-west9
  • Asia Pacific: asia-northeast1, asia-northeast3, asia-south1, asia-southeast1, australia-southeast1
  • Global: global

ML processing

  • United States: Multi-region
  • Canada: northamerica-northeast1
  • South America: southamerica-east1
  • Europe: Multi-region, europe-west2, europe-west3, europe-west9
  • Asia Pacific: asia-northeast1, asia-northeast3, asia-south1, asia-southeast1, australia-southeast1
Knowledge cutoff date January 2025
Versions
  • gemini-2.5-flash
    • Launch stage: GA
    • Release date: June 17, 2025
    • Retirement date: October 16, 2026
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
RAG Engine
  • Data residency
  • CMEK
  • VPC-SC
  • AXT
Grounding with Google Search and Grounding with Google Maps
  • Data residency
  • CMEK
  • VPC-SC
  • AXT
See Security controls for more information.