diff --git a/README.md b/README.md
index 0bcfc72..3222f25 100644
--- a/README.md
+++ b/README.md
@@ -121,6 +121,18 @@ Please start by reading through the [agent interface](https://github.com/xlang-a
 Correctly implement the agent interface and import your customized version in the `run.py` file.
 Afterward, you can execute a command similar to the one in the previous section to run the benchmark on your agent.
 
+## FAQ
+### What are the running times and costs under different settings?
+| Setting                        | Expected Time* | Budget Cost (Full Test Set/Small Test Set) |
+| ------------------------------ | -------------- | ------------------------------------------ |
+| GPT-4V (screenshot)            | 10h            | $100 ($10)                                 |
+| Gemini-ProV (screenshot)       | 15h            | $0 ($0)                                    |
+| Claude-3 Opus (screenshot)     | 15h            | $150 ($15)                                 |
+| GPT-4V (a11y tree, SoM, etc.)  | 30h            | $500 ($50)                                 |
+
+\*No environment parallelism. Calculated in April 2024.
+
+
 ## Citation
 If you find this environment useful, please consider citing our work:
 ```