--- title: "gemini-2.5-flash-native-audio-preview-09-2025 - Model Details & Comparison" description: "gemini-2.5-flash-native-audio-preview-09-2025 from Google Gemini: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-2.5-flash-native-audio-preview-09-2025" markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-2.5-flash-native-audio-preview-09-2025.md" --- # gemini-2.5-flash-native-audio-preview-09-2025 - Model Details & Comparison > gemini-2.5-flash-native-audio-preview-09-2025 from Google Gemini: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://www.getmaxim.ai/resources/mcp-gateway.md) - [Features](https://www.getmaxim.ai/bifrost/#features) - [Enterprise](https://www.getmaxim.ai/enterprise) - [Pricing](https://www.getmaxim.ai/pricing) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://www.getmaxim.ai/book-a-demo) ## About gemini-2.5-flash-native-audio-preview-09-2025 gemini-2.5-flash-native-audio-preview-09-2025 is a realtime model from Google Gemini, one of 8 realtime models they offer. It is priced at $0.50 per 1M input tokens and $2.00 per 1M output tokens, ranking 7 out of 42 realtime models by cost and cheaper than 79% of models in this category. gemini-2.5-flash-native-audio-preview-09-2025 supports audio input, audio output — one of only 9 realtime models with this combination. Its 1,049K-token context window is in the top 7% among realtime models. ## Specifications - **Google Gemini Provider.** - **Realtime Mode.** - **1,048,576 Max Input Tokens.** - **8,192 Max Output Tokens.** - **8,192 Max Tokens.** - **$0.50 / 1M tokens Input Price.** - **$2.00 / 1M tokens Output Price.** ## Capabilities gemini-2.5-flash-native-audio-preview-09-2025 supports: Audio Input, Audio Output. ## gemini-2.5-flash-native-audio-preview-09-2025 Pricing Overview At $0.50 per 1M input tokens and $2.00 per 1M output tokens, gemini-2.5-flash-native-audio-preview-09-2025 ranks 7 out of 42 realtime models by input cost. It is more affordable compared to the median of $0.75 for realtime models, and is cheaper than 79% of models in this category. gemini-2.5-flash-native-audio-preview-09-2025 is one of 8 Google Gemini realtime models, one of only 9 realtime models combining audio input, audio output. its 1,049K-token context window places it in the top 7% of realtime models. ## Models to Compare Alternatives to gemini-2.5-flash-native-audio-preview-09-2025 with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gpt-4o-mini-realtime-preview-2024-12-17 | Azure | $0.60 | $2.40 | | gpt-realtime-2.1-mini | Azure | $0.60 | $2.40 | | gpt-realtime-mini | Azure | $0.60 | $2.40 | | gpt-realtime-mini-2025-10-06 | Azure | $0.60 | $2.40 | | gemini-live-2.5-flash-native-audio | Vertex AI | $0.50 | $2.00 | - [Compare gpt-4o-mini-realtime-preview-2024-12-17](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-4o-mini-realtime-preview-2024-12-17.md) - [Compare gpt-realtime-2.1-mini](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-realtime-2.1-mini.md) - [Compare gpt-realtime-mini](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-realtime-mini.md) - [Compare gpt-realtime-mini-2025-10-06](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-realtime-mini-2025-10-06.md) - [Compare gemini-live-2.5-flash-native-audio](https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-live-2.5-flash-native-audio.md) ## Related Resources - [Calculate gemini-2.5-flash-native-audio-preview-09-2025 costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/gemini/model/gemini-2.5-flash-native-audio-preview-09-2025.md) - [All Google Gemini pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/gemini.md) ## FAQ ### Is gemini-2.5-flash-native-audio-preview-09-2025 cheaper than gpt-4o-mini-realtime-preview-2024-12-17? Yes. gemini-2.5-flash-native-audio-preview-09-2025 costs $0.50 per 1M input tokens compared to gpt-4o-mini-realtime-preview-2024-12-17's $0.60 per 1M input tokens, making it 20% more affordable. Both are realtime models and share support for function calling, audio input, audio output. ### How does gemini-2.5-flash-native-audio-preview-09-2025 pricing compare to the average realtime model? gemini-2.5-flash-native-audio-preview-09-2025 input pricing is $0.50 per 1M tokens, which is 33% below the median of $0.75 for realtime models. It ranks 7 out of 42 realtime models by input cost, making it cheaper than 79% of models in this category. For output, it costs $2.00 per 1M tokens compared to the median of $4.50. ### What makes gemini-2.5-flash-native-audio-preview-09-2025 different from other Google Gemini models? Among Google Gemini's 8 realtime models, gemini-2.5-flash-native-audio-preview-09-2025 ranks 3 by input cost. Its combination of audio input, audio output is shared by only 8 other realtime models. ### What are the best alternatives to gemini-2.5-flash-native-audio-preview-09-2025? The most comparable realtime models to gemini-2.5-flash-native-audio-preview-09-2025 are: gpt-4o-mini-realtime-preview-2024-12-17 from Azure ($0.60/1M input tokens); gpt-realtime-2.1-mini from Azure ($0.60/1M input tokens); gpt-realtime-mini from Azure ($0.60/1M input tokens); gpt-realtime-mini-2025-10-06 from Azure ($0.60/1M 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-2.5-flash-native-audio-preview-09-2025's context window? gemini-2.5-flash-native-audio-preview-09-2025 supports up to 1,048,576 input tokens, placing it in the top 7% of realtime models by context window size (rank 3 of 40). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I calculate gemini-2.5-flash-native-audio-preview-09-2025 costs? gemini-2.5-flash-native-audio-preview-09-2025 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 $0.50 and generating 1M output tokens costs $2.00. ## Related Resources - [Google Gemini models](https://www.getmaxim.ai/bifrost/model-library/provider/gemini.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/pricing) - [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/enterprise) - [Book a Demo: Bifrost demo](https://www.getmaxim.ai/book-a-demo) - [Resources: Bifrost resources](https://www.getmaxim.ai/resources.md) --- *This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-2.5-flash-native-audio-preview-09-2025](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-2.5-flash-native-audio-preview-09-2025) for AI/LLM consumption.*