--- title: "gemini-3.1-flash-lite-image - Model Details & Comparison" description: "gemini-3.1-flash-lite-image from Google Vertex AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-3.1-flash-lite-image" markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-3.1-flash-lite-image.md" --- # gemini-3.1-flash-lite-image - Model Details & Comparison > gemini-3.1-flash-lite-image from Google Vertex AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://www.getmaxim.ai/bifrost/resources/mcp-gateway.md) - [Features](https://www.getmaxim.ai/bifrost/#features) - [Enterprise](https://www.getmaxim.ai/bifrost/enterprise) - [Pricing](https://www.getmaxim.ai/bifrost/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://www.getmaxim.ai/bifrost/book-a-demo) ## About gemini-3.1-flash-lite-image gemini-3.1-flash-lite-image is an image generation model from Vertex AI, one of 7 image generation models they offer. It is priced at $0.25 per 1M input tokens and $1.50 per 1M output tokens, ranking 11 out of 44 image generation models by cost and cheaper than 75% of models in this category. gemini-3.1-flash-lite-image supports vision, prompt caching — one of only 2 image generation models with this combination. Its 66K-token context window is in the top 38% among image generation models. ## Specifications - **Google Vertex AI Provider.** - **Image Generation Mode.** - **65,536 Max Input Tokens.** - **4,096 Max Output Tokens.** - **4,096 Max Tokens.** - **$0.25 / 1M tokens Input Price.** - **$1.50 / 1M tokens Output Price.** ## Capabilities gemini-3.1-flash-lite-image supports: Vision, Video Input, Prompt Caching, System Messages, PDF Input. ## gemini-3.1-flash-lite-image Pricing Overview At $0.25 per 1M input tokens and $1.50 per 1M output tokens, gemini-3.1-flash-lite-image ranks 11 out of 44 image generation models by input cost. It is more affordable compared to the median of $2.00 for image generation models, and is cheaper than 75% of models in this category. gemini-3.1-flash-lite-image is one of 7 Vertex AI image generation models, one of only 2 image generation models combining prompt caching, vision. its 66K-token context window places it in the top 38% of image generation models. ## Models to Compare Alternatives to gemini-3.1-flash-lite-image with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gemini-2.5-flash-image | Google Gemini | $0.30 | $2.50 | | gemini-3.1-flash-lite-image | Google Gemini | $0.25 | $1.50 | | gemini-3.1-flash-image | Google Gemini | $0.50 | $3.00 | | gemini-3.1-flash-image-preview | Google Gemini | $0.50 | $3.00 | | gemini-3-pro-image | Google Gemini | $2.00 | $12.00 | - [Compare gemini-2.5-flash-image](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-2.5-flash-image.md) - [Compare gemini-3.1-flash-lite-image](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-3.1-flash-lite-image.md) - [Compare gemini-3.1-flash-image](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-3.1-flash-image.md) - [Compare gemini-3.1-flash-image-preview](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-3.1-flash-image-preview.md) - [Compare gemini-3-pro-image](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-3-pro-image.md) ## Related Resources - [Calculate gemini-3.1-flash-lite-image costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/vertex_ai/model/gemini-3.1-flash-lite-image.md) - [All Vertex AI pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/vertex_ai.md) ## FAQ ### Is gemini-3.1-flash-lite-image cheaper than gemini-2.5-flash-image? Yes. gemini-3.1-flash-lite-image costs $0.25 per 1M input tokens compared to gemini-2.5-flash-image's $0.30 per 1M input tokens, making it 20% more affordable. Both are image generation models and share support for vision, function calling, web search, prompt caching, structured output. ### How does gemini-3.1-flash-lite-image pricing compare to the average image generation model? gemini-3.1-flash-lite-image input pricing is $0.25 per 1M tokens, which is 87% below the median of $2.00 for image generation models. It ranks 11 out of 44 image generation models by input cost, making it cheaper than 75% of models in this category. For output, it costs $1.50 per 1M tokens compared to the median of $3.00. ### What makes gemini-3.1-flash-lite-image different from other Vertex AI models? Among Vertex AI's 7 image generation models, gemini-3.1-flash-lite-image ranks 1 by input cost. It is the most affordable Vertex AI model with prompt caching support. Its combination of prompt caching, vision is shared by only 1 other image generation model. ### What are the best alternatives to gemini-3.1-flash-lite-image? The most comparable image generation models to gemini-3.1-flash-lite-image are: gemini-2.5-flash-image from Google Gemini ($0.30/1M input tokens); gemini-3.1-flash-lite-image from Google Gemini ($0.25/1M input tokens); gemini-3.1-flash-image from Google Gemini ($0.50/1M input tokens); gemini-3.1-flash-image-preview from Google Gemini ($0.50/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library. ### Is gemini-3.1-flash-lite-image the cheapest image generation model with prompt caching? Yes. At $0.25 per 1M input tokens, gemini-3.1-flash-lite-image is the most affordable image generation model that supports prompt caching. This makes it a strong option for prompt caching-dependent workloads where cost efficiency matters. ### How do I calculate gemini-3.1-flash-lite-image costs? gemini-3.1-flash-lite-image is priced based on input and output tokens, images. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.25 and generating 1M output tokens costs $1.50. ## Related Resources - [Google Vertex AI models](https://www.getmaxim.ai/bifrost/model-library/provider/vertex_ai.md) - [Model library](https://www.getmaxim.ai/bifrost/model-library.md) - [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://www.getmaxim.ai/bifrost/pricing.md) - [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/bifrost/enterprise) - [Book a Demo: Bifrost demo](https://www.getmaxim.ai/bifrost/book-a-demo) - [Resources: Bifrost resources](https://www.getmaxim.ai/bifrost/resources.md) --- *This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-3.1-flash-lite-image](https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-3.1-flash-lite-image) for AI/LLM consumption.*