Gemini 2.5: Updates to our household of considering fashions

At present we’re excited to share updates throughout the board to our Gemini 2.5 mannequin household:

• Gemini 2.5 Professional is usually accessible and secure (no adjustments from the 06-05 preview)

• Gemini 2.5 Flash is usually accessible and secure (no adjustments from the 05-20 preview, see pricing updates beneath)

• Gemini 2.5 Flash-Lite is now accessible in preview

Gemini 2.5 fashions are considering fashions, able to reasoning via their ideas earlier than responding, leading to enhanced efficiency and improved accuracy. Every mannequin has management over the considering finances, giving builders the flexibility to decide on when and the way a lot the mannequin “thinks” earlier than producing a response.

Introducing Gemini 2.5 Flash-Lite

At present, we’re introducing 2.5 Flash-Lite in preview with the bottom latency and price within the 2.5 mannequin household. It’s designed as an economical improve from our earlier 1.5 and a couple of.0 Flash fashions. It additionally presents higher efficiency throughout most evals, and decrease time to first token whereas additionally attaining increased tokens per second decode. This mannequin is nice for prime throughput duties like classification or summarization at scale.

Gemini 2.5 Flash-Lite is a reasoning mannequin, which permits for dynamic management of the considering finances with an API parameter. As a result of Flash-Lite is optimized for price and velocity, “considering” is off by default, not like our different fashions. 2.5 Flash-Lite additionally helps all of our native instruments like Grounding with Google Search, Code Execution, and URL Context along with perform calling.

Updates to Gemini 2.5 Flash and pricing

During the last 12 months, our analysis groups have continued to push the pareto frontier with our Flash mannequin sequence. When 2.5 Flash was initially introduced, we had not but finalized the capabilities for two.5 Flash-Lite. We additionally launched with a “considering” and “non-thinking worth”, which led to developer confusion.

With the secure model of Gemini 2.5 Flash rolling out (which is similar 05-20 mannequin preview we made accessible at Google I/O), and the unbelievable efficiency of two.5 Flash, we’re updating the pricing for two.5 Flash:

• $0.30 / 1M enter tokens (*up from $0.15 enter)

• $2.50 / 1M output tokens (*down from $3.50 output)

• We eliminated the considering vs. non-thinking worth distinction

• We saved a single worth tier no matter enter token dimension

Whereas we attempt to take care of constant pricing between preview and secure releases to attenuate disruption, this can be a particular adjustment reflecting Flash’s distinctive worth, nonetheless providing the most effective cost-per-intelligence accessible.

And with Gemini 2.5 Flash-Lite, we now have a good decrease price possibility (with or with out considering) for price and latency delicate use circumstances that require much less mannequin intelligence.

In case you are utilizing the Gemini 2.5 Flash Preview 04-17 , the present preview pricing will stay in impact till its deliberate deprecation on July 15, 2025, at which level that mannequin endpoint might be turned off. You possibly can transition to the commonly accessible mannequin “gemini-2.5-flash”, or change to 2.5 Flash-Lite Preview as a decrease price possibility.

Continued progress of Gemini 2.5 Professional

The expansion and demand for Gemini 2.5 Professional continues to be the steepest of any of our fashions we have now ever seen. To permit extra prospects to construct on this mannequin in manufacturing, we’re making the 06-05 model of the mannequin secure, with the identical pareto frontier worth level as earlier than.

We count on that circumstances the place you want the very best intelligence and most capabilities are the place you will note Professional shine, like coding and agentic duties. Gemini 2.5 Professional is on the coronary heart of most of the most liked developer instruments.

In case you are utilizing 2.5 Professional Preview 05-06, the mannequin will stay accessible till June 19, 2025 after which might be turned off. In case you are utilizing 2.5 Professional Preview 06-05, you may merely replace your mannequin string to “gemini-2.5-pro”.

We are able to’t wait to see much more domains profit from the intelligence of two.5 Professional and sit up for sharing extra about scaling past Professional within the close to future.