How much does gemini-2.5-flash-preview-05-20:free cost per 1M tokens?

Input is priced at $0.00 per 1M tokens, output at $0.00 per 1M tokens. Billing is per token, no rounding to batch sizes.

How do I access gemini-2.5-flash-preview-05-20:free via API?

Send requests to the UnoRouter /v1/chat/completions endpoint with model=gemini-2.5-flash-preview-05-20:free. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.

Google: gemini-2.5-flash-preview-05-20:free

Name: gemini-2.5-flash-preview-05-20:free
Brand: Google

gemini-2.5-flash-preview-05-20:free

1M context65.5K outToolsParallel toolsVisionAudio inFilesCacheStructuredWeb searchURL contextSystem msg

Released Sep 25, 2025Knowledge cutoff 2024Updated Sep 25, 2025

Gemini 2.5 Flash Preview September 2025 Checkpoint is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with greater accuracy and nuanced context handling. Additionally, Gemini 2.5 Flash is configurable through the "max tokens for reasoning" parameter, as described in the documentation (https://openrouter.ai/docs/use-cases/reasoning-tokens#max-tokens-for-reasoning).

Mode chat