>> Evaluations: We've made it easy to upload results to OpenAI Gym. However, we've opted not to create traditional leaderboards. What matters for research isn't your score (it's possible to overfit or hand-craft solutions to particular tasks), but instead the generality of your technique.

https://openai.com/blog/openai-gym-beta/

From the link:

> we've opted not to create traditional leaderboards. What matters for research isn't your score (it's possible to overfit or hand-craft solutions to particular tasks), but instead the generality of your technique.

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