If you’re here for the short answer — JSON is 25 times faster in reading (loads) and 15 times faster in writing (dumps). I’ve been thinking about this since I wrote the ObjectProperty and JsonProperty classes for Google App Engine. They’re both easy to use and work as expected. I did have some trouble with ObjectProperty but I figured it out in the end. As my previous posts mention, the ObjectProp
![Pickle vs JSON — Which is Faster?](https://cdn-ak-scissors.b.st-hatena.com/image/square/58358136bd454674e70c643d10571673f80e3378/height=288;version=1;width=512/https%3A%2F%2Fkonstantin.blog%2Fwp-content%2Fuploads%2Fsites%2F5%2F2010%2F12%2Fpickle-vs-json-dumps.png)