Diversity, equality and fairness in funding is of great concern to many funders. We here analysed gender differences in the funding rates across several funders and funding programmes. We found no strong evidence of any gender differences. Moreover, we would like to emphasise that observed gender differences in funding cannot be interpreted as evidence of gender bias, understood as a direct causal effect, in the evaluation of grant applications. Observing no gender differences makes it perhaps less plausible that some gender bias is at play, but this cannot be ruled out. In particular, earlier gender biases (e.g. in hiring or promotion) may affect outcomes such that the gender bias in funding is masked. There is some variability in gender differences in funding programmes. Some funding programmes changed during the time of analysis, which we compared to the evaluation criteria being used by the different programmes. Possibly, these criteria may increase the funding rate of women: having some diversity policy; not having an interview stage; evaluating leadership potential instead of established leadership; not considering historical funding track records; not asking for letters of recommendations. However, all differences are very small and very uncertain, and the effect of (not) having these criteria on gender differences is very uncertain. There are still clear gender differences in the science system, with women being less represented among researchers in most fields. Research funding plays a large role in academic careers and outcomes, and funders should analyse the outcomes of their funding process to monitor their effects. Our results show that research funding does not show gender differences and therefore does not seem to contribute to the overall gender difference in the science system. Efforts to improve the representation of women in science may therefore perhaps be better focused elsewhere in the science system.