Update README.md

README.md

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+The above table indicates that within the BFCL framework, our Hammer series consistently achieves corresponding state-of-the-art (SOTA) performance at comparable scales, particularly Hammer-7B, whose overall performance ranks second only to the proprietary GPT-4.
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 In addition, we evaluated our Hammer series (1.5b, 4b, 7b) on other academic benchmarks to further show our model's generalization ability:
 
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+Upon observing Hammer's performance across various benchmarks unrelated to the APIGen Function Calling Datasets, we find that Hammer demonstrates remarkably stable relative performance, which indicates the robustness of Hammers. In contrast, the baseline methods exhibit varying degrees of effectiveness across these other benchmarks.
 
 ## Requiements
 The code of Hammer-7b has been in the latest Hugging face transformers and we advise you to install `transformers>=4.37.0`.