--- title: "gemini-3.5-flash - Model Details & Comparison" description: "gemini-3.5-flash from OpenRouter: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/gemini-3.5-flash" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/gemini-3.5-flash.md" --- # gemini-3.5-flash - Model Details & Comparison > gemini-3.5-flash from OpenRouter: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md) - [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features) - [Enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) ## About gemini-3.5-flash gemini-3.5-flash is a chat model from OpenRouter, one of 357 chat models they offer. It is priced at $1.50 per 1M input tokens and $9.00 per 1M output tokens, ranking 1994 out of 2669 chat models by cost and cheaper than 25% of models in this category. gemini-3.5-flash supports vision, function calling, reasoning, audio input, prompt caching, structured output. Its 1,049K-token context window is in the top 7% among chat models. ## Specifications - **OpenRouter Provider.** - **Chat Mode.** - **1,048,576 Max Input Tokens.** - **65,536 Max Output Tokens.** - **65,536 Max Tokens.** - **$1.50 / 1M tokens Input Price.** - **$9.00 / 1M tokens Output Price.** ## Capabilities gemini-3.5-flash supports: Function Calling, Vision, Reasoning, Audio Input, Prompt Caching, Response Schema, Tool Choice, PDF Input. ## gemini-3.5-flash Pricing Overview At $1.50 per 1M input tokens and $9.00 per 1M output tokens, gemini-3.5-flash ranks 1994 out of 2669 chat models by input cost. It is more expensive compared to the median of $0.50 for chat models, and is cheaper than 25% of models in this category. gemini-3.5-flash is one of 357 OpenRouter chat models, with support for vision, function calling, reasoning, audio input, prompt caching, structured output. its 1,049K-token context window places it in the top 7% of chat models. ## Models to Compare Alternatives to gemini-3.5-flash with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gemini-2.5-pro | Vertex AI | $1.25 | $10.00 | | gemini-3.5-flash | Vertex AI | $1.50 | $9.00 | | gemini-3.6-flash | Vertex AI | $1.50 | $7.50 | | gemini-2.5-pro | Google Gemini | $1.25 | $10.00 | | gemini-3.5-flash | Google Gemini | $1.50 | $9.00 | - [Compare gemini-2.5-pro](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro.md) - [Compare gemini-3.5-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3.5-flash.md) - [Compare gemini-3.6-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3.6-flash.md) - [Compare gemini-2.5-pro](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-pro.md) - [Compare gemini-3.5-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-3.5-flash.md) ## Related Resources - [Calculate gemini-3.5-flash costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/gemini-3.5-flash.md) - [Check OpenRouter status](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/provider-status/openrouter.md) - [All OpenRouter pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter.md) ## FAQ ### Is gemini-3.5-flash cheaper than gemini-2.5-pro? No. gemini-3.5-flash costs $1.50 per 1M input tokens while gemini-2.5-pro costs $1.25 per 1M input tokens, making gemini-2.5-pro 17% more affordable for input. However, gemini-3.5-flash may offer different capabilities or performance characteristics that justify the price difference. ### How does gemini-3.5-flash pricing compare to the average chat model? gemini-3.5-flash input pricing is $1.50 per 1M tokens, which is 200% above the median of $0.50 for chat models. It ranks 1994 out of 2669 chat models by input cost, making it cheaper than 25% of models in this category. For output, it costs $9.00 per 1M tokens compared to the median of $1.44. ### What makes gemini-3.5-flash different from other OpenRouter models? Among OpenRouter's 357 chat models, gemini-3.5-flash ranks 260 by input cost. ### What are the best alternatives to gemini-3.5-flash? The most comparable chat models to gemini-3.5-flash are: gemini-2.5-pro from Vertex AI ($1.25/1M input tokens); gemini-3.5-flash from Vertex AI ($1.50/1M input tokens); gemini-3.6-flash from Vertex AI ($1.50/1M input tokens); gemini-2.5-pro from Google Gemini ($1.25/1M 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. ### How large is gemini-3.5-flash's context window? gemini-3.5-flash supports up to 1,048,576 input tokens, placing it in the top 7% of chat models by context window size (rank 164 of 2653). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I check if OpenRouter is down? You can monitor OpenRouter service health in real time on the Bifrost OpenRouter Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds. ### How do I calculate gemini-3.5-flash costs? gemini-3.5-flash is priced based on input and output tokens. 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 $1.50 and generating 1M output tokens costs $9.00. ## Related Resources - [OpenRouter models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/openrouter.md) - [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md) - [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) - [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md) --- *This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/gemini-3.5-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/gemini-3.5-flash) for AI/LLM consumption.*