Calculate the cost of using gemini-2.5-flash from OpenRouter for your AI applications
Pricing data last updated:
Mode: Chat
Max: 1,048,576 tokens
Max: 8,192 tokens
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gemini-2.5-flash is a chat model from OpenRouter, one of 348 chat models they offer. It is priced at $0.30 per 1M input tokens and $2.50 per 1M output tokens, ranking 860 out of 2161 chat models by cost and cheaper than 58% of models in this category. gemini-2.5-flash supports vision, function calling, reasoning, audio input, audio output, prompt caching, structured output — one of only 3 chat models with this combination. Its 1,049K-token context window is in the top 6% among chat models.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 1,048,576 input tokens. The maximum output length is 8,192 tokens.
At $0.30 per 1M input tokens and $2.50 per 1M output tokens, gemini-2.5-flash ranks 860 out of 2161 chat models by input cost. It is more affordable compared to the median of $0.55 for chat models, and is cheaper than 58% of models in this category.
gemini-2.5-flash is one of 348 OpenRouter chat models, one of only 3 chat models combining audio input, audio output, function calling, prompt caching, reasoning, structured output, vision. its 1,049K-token context window places it in the top 6% of chat models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gemini-2.5-flash |
|---|---|---|---|---|
| gemini-3.1-flash-lite-preview | Google Gemini | $0.25 | $1.50 | -17% |
| gemini-3.1-flash-lite | Google Gemini | $0.25 | $1.50 | -17% |
| gemini-3.1-flash-lite-preview | Vertex AI | $0.25 | $1.50 | -17% |
Similar chat models from other providers
No. gemini-2.5-flash costs $0.30 per 1M input tokens while gemini-3.1-flash-lite-preview costs $0.25 per 1M input tokens, making gemini-3.1-flash-lite-preview 17% more affordable for input. However, gemini-2.5-flash may offer different capabilities or performance characteristics that justify the price difference.
gemini-2.5-flash input pricing is $0.30 per 1M tokens, which is 45% below the median of $0.55 for chat models. It ranks 860 out of 2161 chat models by input cost, making it cheaper than 58% of models in this category. For output, it costs $2.50 per 1M tokens compared to the median of $1.44.
Among OpenRouter's 348 chat models, gemini-2.5-flash ranks 149 by input cost. Its combination of audio input, audio output, function calling, prompt caching, reasoning, structured output, vision is shared by only 2 other chat models.
The most comparable chat models to gemini-2.5-flash are: gemini-3.1-flash-lite-preview from Google Gemini ($0.25/1M input tokens); gemini-3.1-flash-lite from Google Gemini ($0.25/1M input tokens); gemini-3.1-flash-lite-preview from Vertex AI ($0.25/1M input tokens); gemini-3.1-flash-lite from Vertex AI ($0.25/1M 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.
gemini-2.5-flash supports up to 1,048,576 input tokens, placing it in the top 6% of chat models by context window size (rank 89 of 2086). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
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.
gemini-2.5-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 $0.30 and generating 1M output tokens costs $2.50.
