diff --git a/Tools/pixi-packages/asan/pixi.toml b/Tools/pixi-packages/asan/pixi.toml
index bf9841e18677cab..c30cf497dcc8f4a 100644
--- a/Tools/pixi-packages/asan/pixi.toml
+++ b/Tools/pixi-packages/asan/pixi.toml
@@ -13,3 +13,4 @@ version = "*"
 
 [package.build.config]
 recipe = "../default/recipe.yaml"
+experimental = true
diff --git a/Tools/pixi-packages/asan/variants.yaml b/Tools/pixi-packages/asan/variants.yaml
index 2404948457e6bb5..bd36139d609750d 100644
--- a/Tools/pixi-packages/asan/variants.yaml
+++ b/Tools/pixi-packages/asan/variants.yaml
@@ -1,6 +1,2 @@
 variant:
   - asan
-abi_tag:
-  - asan_cp315
-version:
-  - 3.15
diff --git a/Tools/pixi-packages/build.sh b/Tools/pixi-packages/build.sh
index 7e22e6243a5f779..948fa09b4554ba9 100644
--- a/Tools/pixi-packages/build.sh
+++ b/Tools/pixi-packages/build.sh
@@ -17,6 +17,14 @@ else
     exit 1
 fi
 
+VER_REF=$(cat configure.ac | grep "\[PYTHON_VERSION\]\, \[" | sed -n 's/.*\[\([0-9.]*\)\].*/\1/p')
+VER=$(echo ${PKG_VERSION} | sed -E 's/^([0-9]+\.[0-9]+).*/\1/')
+
+if [[ "${VER_REF}" != "${VER}" ]]; then
+    echo "Unexpected version from conda package. Got ${VER}. Expected ${VER_REF}"
+    exit 1
+fi
+
 # rattler-build by default set a target of 10.9
 # override it to at least 10.12
 case ${MACOSX_DEPLOYMENT_TARGET:-10.12} in
diff --git a/Tools/pixi-packages/default/pixi.toml b/Tools/pixi-packages/default/pixi.toml
index bf9841e18677cab..c30cf497dcc8f4a 100644
--- a/Tools/pixi-packages/default/pixi.toml
+++ b/Tools/pixi-packages/default/pixi.toml
@@ -13,3 +13,4 @@ version = "*"
 
 [package.build.config]
 recipe = "../default/recipe.yaml"
+experimental = true
diff --git a/Tools/pixi-packages/default/recipe.yaml b/Tools/pixi-packages/default/recipe.yaml
index 30d0d5a2ed2e04d..06f5180d58ec689 100644
--- a/Tools/pixi-packages/default/recipe.yaml
+++ b/Tools/pixi-packages/default/recipe.yaml
@@ -3,7 +3,12 @@
 
 context:
   # Keep up to date
+  # We could use git.latest_tag(".")[1:], but tags will be wrong until the first alpha
+  # release is tagged.
+  version: 3.16
   freethreading_tag: ${{ "t" if "freethreading" in variant else "" }}
+  abi_prefix: ${{ (variant | split("-"))[0] + "_" if "san" in variant else "" }}
+  abi_tag: ${{ abi_prefix }}cp${{ (version | split('.'))[:2] | join('') }}
 
 recipe:
   name: python
diff --git a/Tools/pixi-packages/default/variants.yaml b/Tools/pixi-packages/default/variants.yaml
index f66e9e7a2226bab..6567601429e5c51 100644
--- a/Tools/pixi-packages/default/variants.yaml
+++ b/Tools/pixi-packages/default/variants.yaml
@@ -1,6 +1,2 @@
 variant:
   - default
-abi_tag:
-  - cp315
-version:
-  - 3.15
diff --git a/Tools/pixi-packages/freethreading/pixi.toml b/Tools/pixi-packages/freethreading/pixi.toml
index bf9841e18677cab..c30cf497dcc8f4a 100644
--- a/Tools/pixi-packages/freethreading/pixi.toml
+++ b/Tools/pixi-packages/freethreading/pixi.toml
@@ -13,3 +13,4 @@ version = "*"
 
 [package.build.config]
 recipe = "../default/recipe.yaml"
+experimental = true
diff --git a/Tools/pixi-packages/freethreading/variants.yaml b/Tools/pixi-packages/freethreading/variants.yaml
index 022833d04c3821f..5375cd7b53a4a28 100644
--- a/Tools/pixi-packages/freethreading/variants.yaml
+++ b/Tools/pixi-packages/freethreading/variants.yaml
@@ -1,6 +1,2 @@
 variant:
   - freethreading
-abi_tag:
-  - cp315t
-version:
-  - 3.15
diff --git a/Tools/pixi-packages/tsan-freethreading/pixi.toml b/Tools/pixi-packages/tsan-freethreading/pixi.toml
index bf9841e18677cab..c30cf497dcc8f4a 100644
--- a/Tools/pixi-packages/tsan-freethreading/pixi.toml
+++ b/Tools/pixi-packages/tsan-freethreading/pixi.toml
@@ -13,3 +13,4 @@ version = "*"
 
 [package.build.config]
 recipe = "../default/recipe.yaml"
+experimental = true
diff --git a/Tools/pixi-packages/tsan-freethreading/variants.yaml b/Tools/pixi-packages/tsan-freethreading/variants.yaml
index 6ed09fcc9b656bb..280a237e3f148c8 100644
--- a/Tools/pixi-packages/tsan-freethreading/variants.yaml
+++ b/Tools/pixi-packages/tsan-freethreading/variants.yaml
@@ -1,6 +1,2 @@
 variant:
   - tsan-freethreading
-abi_tag:
-  - tsan_cp315t
-version:
-  - 3.15