Gemini 2.5 Flash

Available

Stable low-latency multimodal model for high-volume reasoning tasks.

Access details: Gemini API

The model ID to use in API requests.

gemini-2.5-flash

Updated Oct 20, 2026

Sources & notes

Capabilities & limits

Context window: 1M
Maximum output: 64K
Image input: Supported
Tool calling: Supported
Structured output: Supported

Pricing

USD / 1M tokens

Input: $0.30
Output: $2.50

Standard rates per million tokens. Discounts and long-context rates, where offered, are on Google's pricing page.

Full rate card 6 rates

All prices in USD.

Standard input

$0.30 per 1M tokens

text, image, or video input

Audio input

$1.00 per 1M tokens

audio input

Standard output

$2.50 per 1M tokens

includes thinking tokens

Cached input

$0.03 per 1M tokens

text, image, or video input

Cached audio input

$0.10 per 1M tokens

audio input

Cache storage

$1.00 per 1M tokens per hour

context caching storage

Paid tier. Batch and Flex: $0.15 input ($0.50 audio) / $1.25 output. Priority: $0.54 input ($1.80 audio) / $4.50 output / $0.054 cached ($0.18 audio), storage $1.80. Free tier is free of charge. Grounding with Google Search: 1,500 requests per day free (shared with Flash-Lite), then $35 per 1,000 grounded prompts. Since 2026-09-18 access to 2.5 models is limited to projects that used them before.

Price history

Sep 23, 2026

Input $0.30 per million tokens

Sep 23, 2026

Output $2.50 per million tokens

Technical details

Parameters: Not published
Active parameters: Not published
Architecture: Sparse mixture-of-experts (MoE) transformer with native multimodal support for text, vision, and audio (Gemini 2.5 family)
Training / knowledge cutoff: January 2025
Input modalities: Text, image, video, audio
Output modalities: Text

From Google

Official announcement ↗

Release & lifecycle

First available: Jun 17, 2025
available: As of Sep 13, 2026
available: As of Oct 20, 2026