Author's Description
Gemini 1.5 Flash is a foundation model that performs well at a variety of multimodal tasks such as visual understanding, classification, summarization, and creating content from image, audio and video. It's adept at processing visual and text inputs such as photographs, documents, infographics, and screenshots. Gemini 1.5 Flash is designed for high-volume, high-frequency tasks where cost and latency matter. On most common tasks, Flash achieves comparable quality to other Gemini Pro models at a significantly reduced cost. Flash is well-suited for applications like chat assistants and on-demand content generation where speed and scale matter. Usage of Gemini is subject to Google's [Gemini Terms of Use](https://ai.google.dev/terms). #multimodal
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
Google's Gemini 1.5 Flash demonstrates exceptional performance across various metrics, positioning itself as a highly efficient and cost-effective multimodal AI model. It consistently ranks among the fastest models available, achieving an Infinityth percentile in speed across all benchmarks. Similarly, its pricing is remarkably competitive, also securing an Infinityth percentile ranking for cost-efficiency. The model exhibits outstanding reliability, with a 100th percentile ranking, indicating minimal technical failures and consistent, usable responses. In terms of specific benchmark performance, Gemini 1.5 Flash shows strong capabilities. It achieved 100% accuracy in Email Classification, making it the most accurate model at its price point and among models of comparable speed. It also performed well in General Knowledge (97.5% accuracy) and Ethics (98.0% accuracy). While its Coding (Baseline) accuracy was 84.0%, it showed a notable duration of 135887ms. A significant weakness was observed in Instruction Following, where it registered 0.0% accuracy, suggesting this is an area for improvement. Its Reasoning capabilities are solid at 74.0% accuracy. Overall, Gemini 1.5 Flash is well-suited for high-volume, high-frequency tasks where speed, cost, and reliability are paramount, particularly for applications like chat assistants and content generation.
Model Pricing
Current Pricing
Feature | Price (per 1M tokens) |
---|---|
Prompt | $0.075 |
Completion | $0.3 |
Input Cache Read | $0.0188 |
Input Cache Write | $0.158 |
Price History
Available Endpoints
Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
---|---|---|---|---|
Google
|
Google | google/gemini-flash-1.5 | 1M | $0.075 / 1M tokens | $0.3 / 1M tokens |
Google AI Studio
|
Google AI Studio | google/gemini-flash-1.5 | 1M | $0.075 / 1M tokens | $0.3 / 1M tokens |
Benchmark Results
Benchmark | Category | Reasoning | Free | Executions | Accuracy | Cost | Duration |
---|
Other Models by google
|
Released | Params | Context |
|
Speed | Ability | Cost |
---|---|---|---|---|---|---|---|
Google: Gemini 2.5 Flash Lite | Jul 22, 2025 | — | 1M |
Audio input
File input
Text input
Image input
Text output
|
★★★★★ | ★★★ | $$$ |
Google: Gemini 2.5 Flash Lite Preview 06-17 | Jun 17, 2025 | — | 1M |
Audio input
File input
Text input
Image input
Text output
|
★★★★ | ★★★ | $$$ |
Google: Gemini 2.5 Flash | Jun 17, 2025 | — | 1M |
Audio input
File input
Text input
Image input
Text output
|
★★★ | ★★★★★ | $$$$$ |
Google: Gemini 2.5 Pro | Jun 17, 2025 | — | 1M |
Audio input
File input
Text input
Image input
Text output
|
★ | ★★★★★ | $$$$$ |
Google: Gemini 2.5 Pro Preview 06-05 | Jun 05, 2025 | — | 1M |
Audio input
File input
Text input
Image input
Text output
|
★ | ★★★★★ | $$$$$ |
Google: Gemma 1 2B Unavailable | May 28, 2025 | 2B | 8K |
Text input
Text output
|
— | — | $$ |
Google: Gemma 3n 4B | May 20, 2025 | 4B | 32K |
Text input
Text output
|
★★★ | ★★★ | $ |
Google: Gemini 2.5 Flash Preview 05-20 Unavailable | May 20, 2025 | — | 1M |
File input
Text input
Image input
Text output
|
★★★★ | ★★★★★ | $$$ |
Google: Gemini 2.5 Pro Preview 05-06 | May 06, 2025 | — | 1M |
Audio input
File input
Text input
Image input
Text output
|
★ | ★★★★★ | $$$$$ |
Google: Gemini 2.5 Flash Preview 04-17 Unavailable | Apr 17, 2025 | — | 1M |
File input
Text input
Image input
Text output
|
★★★★ | ★★★★★ | $$$ |
Google: Gemini 2.5 Pro Experimental | Mar 25, 2025 | — | 1M |
File input
Text input
Image input
Text output
|
— | — | $ |
Google: Gemma 3 4B | Mar 13, 2025 | 4B | 131K |
Text input
Image input
Text output
|
★★★ | ★★ | $ |
Google: Gemma 3 12B | Mar 13, 2025 | 12B | 131K |
Text input
Image input
Text output
|
★★ | ★★ | $$ |
Google: Gemma 3 27B | Mar 11, 2025 | 27B | 131K |
Text input
Image input
Text output
|
★★ | ★★★ | $$ |
Google: Gemini 2.0 Flash Lite | Feb 25, 2025 | — | 1M |
Audio input
File input
Text input
Image input
Text output
|
★★★★★ | ★★ | $$ |
Google: Gemini 2.0 Flash | Feb 05, 2025 | — | 1M |
Audio input
File input
Text input
Image input
Text output
|
★★★★★ | ★★★ | $$ |
Google: Gemini 1.5 Flash 8B | Oct 02, 2024 | ~500B | 1M |
Text input
Image input
Text output
|
★★★★★ | ★★ | $$ |
Google: Gemma 2 27B | Jul 12, 2024 | 27B | 8K |
Text input
Text output
|
★★★★★ | ★★ | $$$$ |
Google: Gemma 2 9B | Jun 27, 2024 | 9B | 8K |
Text input
Text output
|
★★★★★ | ★ | $$ |
Google: Gemini 1.5 Pro | Apr 08, 2024 | ~1T | 2M |
Text input
Image input
Text output
|
★★★ | ★★★ | $$$$ |