Right this moment we’re excited to share updates throughout the board to our Gemini 2.5 mannequin household:
- Gemini 2.5 Professional is usually obtainable and steady (no modifications from the 06-05 preview)
- Gemini 2.5 Flash is usually obtainable and steady (no modifications from the 05-20 preview, see pricing updates under)
- Gemini 2.5 Flash-Lite is now obtainable in preview
Gemini 2.5 fashions are considering fashions, able to reasoning by way of their ideas earlier than responding, leading to enhanced efficiency and improved accuracy. Every mannequin has management over the considering price range, giving builders the flexibility to decide on when and the way a lot the mannequin “thinks” earlier than producing a response.
Overview of our household of Gemini 2.5 considering fashions
Introducing Gemini 2.5 Flash-Lite
Right this moment, we’re introducing 2.5 Flash-Lite in preview with the bottom latency and value within the 2.5 mannequin household. It’s designed as an economical improve from our earlier 1.5 and a pair of.0 Flash fashions. It additionally provides higher efficiency throughout most evals, and decrease time to first token whereas additionally reaching increased tokens per second decode. This mannequin is nice for top 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 price range with an API parameter. As a result of Flash-Lite is optimized for value 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 operate calling.
Benchmarks for Gemini 2.5 Flash-Lite
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 steady model of Gemini 2.5 Flash rolling out (which is similar 05-20 mannequin preview we made obtainable 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 measurement
Whereas we try to keep up constant pricing between preview and steady releases to attenuate disruption, this can be a particular adjustment reflecting Flash’s distinctive worth, nonetheless providing the most effective cost-per-intelligence obtainable.
And with Gemini 2.5 Flash-Lite, we now have a good decrease value choice (with or with out considering) for value and latency delicate use instances that require much less mannequin intelligence.
Pricing updates for our Gemini Flash household
If you’re utilizing the Gemini 2.5 Flash Preview 04-17 , the prevailing 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 may transition to the widely obtainable mannequin “gemini-2.5-flash”, or change to 2.5 Flash-Lite Preview as a decrease value choice.
Continued development 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 now have ever seen. To permit extra clients to construct on this mannequin in manufacturing, we’re making the 06-05 model of the mannequin steady, with the identical pareto frontier worth level as earlier than.
We count on that instances 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 cherished developer instruments.
High developer instruments utilizing Gemini 2.5 Professional
If you’re utilizing 2.5 Professional Preview 05-06, the mannequin will stay obtainable till June 19, 2025 after which might be turned off. If you’re utilizing 2.5 Professional Preview 06-05, you may merely replace your mannequin string to “gemini-2.5-pro”.
We will’t wait to see much more domains profit from the intelligence of two.5 Professional and stay up for sharing extra about scaling past Professional within the close to future.