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LightweightGoogle
Gemini 2.5 Flash Lite
Gemini 2.5 Flash Lite is Google's lightweight multimodal model with a 1M token context window, optimized for high-speed text and image processing.
Context 1.0M
Tier Lightweight
Tools Supported
Modalities text, image
Input from
$0.050 / 1M tokens
across 1 provider
API Pricing
Cheapest on OpenRouter — 33% below avg| Provider | Input / 1M | Output / 1M | Cached / 1M |
|---|---|---|---|
| $0.050 | $0.200 | $0.010 | |
| $0.100 | $0.400 | $0.010 |
Prices updated daily. Last check: Sep 6, 2026
Gemini 2.5 Flash Lite pricing by provider
Input, output, and batch rates, plus alternatives, for one provider at a time.
Performance & Benchmarks
Source: Artificial Analysis →Intelligence
7.3 / 100
Math
46.7 / 100
Reasoning & Knowledge
- MMLU-Pro79.6%
- GPQA Diamond65.1%
- Humanity's Last Exam5.1%
Coding
- LiveCodeBench64.1%
Math
- AIME 202546.7%
Agentic & Tool Use
- Terminal-Bench Hard7.6%
- τ²-bench30.4%
Instruction & Long Context
- IFBench41.8%
- Long-Context Reasoning49.7%
Benchmarks measured Sep 2026. Scores are independent evaluations, not vendor-reported.
Model Details
General
- Creator
- Family
- Gemini
- Tier
- Lightweight
- Context Window
- 1.0M
- Modalities
- Text, Image
Capabilities
- Tool Calling
- Yes
- Open Source
- No
- Subtypes
- Chat Completion
Strengths & Limitations
Strengths
- Fast inference speed at 284.5 output tokens per second
- Quick response initiation with 426ms time to first token
- Large 1 million token context window for extensive document processing
- Multimodal support for both text and image inputs
- Tool calling functionality for structured interactions
- Lightweight tier optimized for cost-efficient deployment
- Part of Google's established Gemini model family
Limitations
- Lightweight tier with reduced capabilities compared to Pro or Ultra variants
- Proprietary model with no open-source availability
- Limited to text and image modalities without audio or video support
- Performance benchmarks available only for speed metrics, not reasoning quality
Key Features
•1 million token context window
•Text and image input processing
•Tool calling with structured interactions
•Chat completion interface
•High-speed inference at 284.5 tokens/second
•Sub-500ms time to first token
•Multimodal document analysis
•Batch processing capabilities
About Gemini 2.5 Flash Lite
Gemini 2.5 Flash Lite is Google's lightweight entry in the Gemini family, positioned as a high-speed model for applications requiring fast response times and efficient processing. As the most streamlined variant in the Gemini 2.5 generation, it serves users who need capable multimodal AI without the computational overhead of flagship models.
The model supports both text and image inputs with an extensive 1 million token context window, enabling it to process substantial documents, code repositories, or multiple images in a single request. It includes tool calling capabilities and delivers notably fast performance with 284.5 output tokens per second and a time to first token of 426ms. Despite its lightweight classification, the model maintains multimodal functionality across text and vision tasks.
Gemini 2.5 Flash Lite targets applications where speed and cost efficiency are priorities over maximum capability. It competes with other lightweight models in scenarios requiring rapid responses, high-volume processing, or real-time interactions where the full power of flagship models is unnecessary.
Common Use Cases
Gemini 2.5 Flash Lite is designed for applications requiring fast, cost-effective AI processing with multimodal capabilities. Its high inference speed and quick response times make it suitable for customer service chatbots, real-time content moderation, rapid document analysis, and interactive applications where latency matters. The large context window enables processing of lengthy documents, code reviews, or multiple images simultaneously, while the lightweight nature keeps operational costs manageable for high-volume deployments. Organizations needing multimodal AI for production applications with tight latency requirements or budget constraints will find this model appropriate for tasks that don't require the full reasoning power of flagship models.
Frequently Asked Questions
How much does Gemini 2.5 Flash Lite cost per million tokens?
Gemini 2.5 Flash Lite pricing varies by provider and usage type. As a lightweight tier model, it's positioned for cost-efficient deployment. Check the pricing table above for current rates across all available providers.
What is Gemini 2.5 Flash Lite best used for?
Gemini 2.5 Flash Lite excels at high-speed multimodal tasks including rapid document processing, real-time chat applications, content moderation, and customer service automation. Its fast 284.5 tokens/second output and 426ms response time make it ideal for latency-sensitive applications requiring both text and image understanding.
How does Gemini 2.5 Flash Lite compare to other Gemini models?
As the lightweight variant in the Gemini family, Flash Lite prioritizes speed and efficiency over maximum capability. It maintains the 1M token context window and multimodal support of its siblings while offering faster inference speeds, making it suitable for applications where response time and cost matter more than advanced reasoning capabilities.