Gemini-2.5-Flash

Gemini 2.5 Flash belongs to Google's family of thinking models, designed to reason through their thoughts before generating responses, with developers able to control a thinking budget that determines how much deliberation occurs prior to output. Google formally documented this model line in a June 2025 update announcing that Gemini 2.5 Flash had reached general availability and stability. The model is positioned within Google's Gemini Enterprise Agent Platform, where it serves as a documented, supported offering for enterprise and developer use cases.

As of early 2026, independent reporting indicates Gemini 2.5 Flash has been effectively superseded in Google's lineup by Gemini 3.1 Flash-Lite, which Google positions as faster and more cost-efficient at scale. The Gemini 2.5 Flash name also encompasses distinct sub-variants, including a separate image-editing model known as nano-banana, which has attracted viral attention for improvements in character consistency and multi-turn photo editing. Third-party benchmark comparisons continue to treat Gemini Flash as a recognized baseline, with entrants like Sarvam's 105B mixture-of-experts model claiming to outperform it on key evaluations, underscoring Gemini 2.5 Flash's continued relevance as a reference point in the public benchmark landscape.