Google: Gemini 2.5 Flash Preview 09-2025
Google • text • vision • audio • function-calling • json-mode
google/gemini-2.5-flash-preview-09-2025Gemini 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).
Best For:
High-volume, low-latency tasks where cost efficiency is paramount
Pricing:
$0.00/1M input tokens, $0.00/1M output tokens
Context Window:
1,048,576 tokens (Large - suitable for extensive codebases)
Key Differentiator:
Cost-optimized for high-volume usage