diff --git a/src/jimgw/utils/hyperparameters.py b/src/jimgw/utils/hyperparameters.py
new file mode 100644
index 00000000..ff6f01df
--- /dev/null
+++ b/src/jimgw/utils/hyperparameters.py
@@ -0,0 +1,22 @@
+jim_default_hyperparameters = {
+        "seed": 0,
+        "n_chains": 20,
+        "num_layers": 10,
+        "hidden_size": [128,128],
+        "num_bins": 8,
+        "local_sampler_arg": {},
+        "n_walkers_maximize_likelihood": 100,
+        "n_loops_maximize_likelihood": 200, 
+}
+
+jim_explanation_hyperparameters = {
+        "seed": "(int) Value of the random seed used",
+        "n_chains": "(int) Number of chains to be used",
+        "num_layers": "(int) Number of hidden layers of the NF",
+        "hidden_size": "List[int, int] Sizes of the hidden layers of the NF",
+        "num_bins": "(int) Number of bins used in MaskedCouplingRQSpline",
+        "local_sampler_arg": "(dict) Additional arguments to be used in the local sampler",
+        "rng_key_set": "(jnp.array) Key set to be used in PRNG keys",
+        "n_walkers_maximize_likelihood": "(int) Number of walkers used in the maximization of the likelihood with the evolutionary optimizer",
+        "n_loops_maximize_likelihood": "(int) Number of loops to run the evolutionary optimizer in the maximization of the likelihood",
+}