Publish Canter v0002

README.md

@@ -22,7 +22,7 @@ base_model:
 > The model is still training. Checkpoints and behavior may change during
 > the preview period, and generation quality is still quite variable.
 
-**Current checkpoint:** [`v0001`](RELEASES.md#v0001)
+**Current checkpoint:** [`v0002`](RELEASES.md#v0002)
 
 [Example gallery](GALLERY.md) · [Getting started](#getting-started) ·
 [API and inference parameters](API.md) ·

RELEASES.md

@@ -22,6 +22,7 @@ decoded images remain full resolution.
 
 | Release | Date | Weight storage | Status |
 | --- | --- | --- | --- |
+| [`v0002`](https://huggingface.co/data-archetype/canter/tree/v0002) | July 2026 | bfloat16 with float32 precision islands | Preview |
 | [`v0001`](https://huggingface.co/data-archetype/canter/tree/v0001) | July 2026 | bfloat16 with float32 precision islands | Preview |
 
 ## Updating code
@@ -59,6 +60,11 @@ For exact reproduction, pin both the Canter package version and checkpoint
 tag. Passing `revision="main"` explicitly selects the moving repository head
 and is not an immutable checkpoint reference.
 
+## v0002
+
+Preview candidate exported from a 50/50 EMA blend of training steps 1,010,000
+and 1,090,000.
+
 ## v0001
 
 Initial preview release.

canter/configuration_canter.py

@@ -6,7 +6,7 @@ from dataclasses import dataclass
 
 CANTER_LICENSE = "MG-BY-SA-2.0"
 CANTER_LICENSE_URL = "https://ids.nus.edu.sg/docs/modelgo/v2/MG-BY-SA/LICENSE"
-CANTER_DEFAULT_RELEASE = "v0001"
+CANTER_DEFAULT_RELEASE = "v0002"
 
 
 @dataclass(frozen=True)

canter/webui_app.py

@@ -79,6 +79,7 @@ class SizePreset(Enum):
 
     DEFAULT_PORTRAIT = "default_portrait"
     WIDE = "wide"
+    LARGE_WIDE = "large_wide"
     TALL_PORTRAIT = "tall_portrait"
 
 
@@ -95,11 +96,13 @@ _SIZE_PRESETS = {value.value: value for value in SizePreset}
 _SIZE_PRESET_CHOICES = (
     ("832 × 1216 · gain −0.03", SizePreset.DEFAULT_PORTRAIT.value),
     ("1536 × 832 · gain −0.02", SizePreset.WIDE.value),
+    ("1920 × 1024 · gain −0.02", SizePreset.LARGE_WIDE.value),
     ("1024 × 1536 · gain −0.02", SizePreset.TALL_PORTRAIT.value),
 )
 _SIZE_PRESET_VALUES = {
     SizePreset.DEFAULT_PORTRAIT: _SizePresetValues(832, 1216, -0.03),
     SizePreset.WIDE: _SizePresetValues(1536, 832, -0.02),
+    SizePreset.LARGE_WIDE: _SizePresetValues(1920, 1024, -0.02),
     SizePreset.TALL_PORTRAIT: _SizePresetValues(1024, 1536, -0.02),
 }
 

model-00001-of-00001.safetensors

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:55e631825ccd470fe71cdcc76492bc391eb59cc21900555e88e6b5a4d6ec585d
+oid sha256:2b419bd3b93b3ba001c3d6f81ff95868bc18bf17f299bd5751c9db9920e0e028
 size 4133051336

release.json

@@ -1,7 +1,28 @@
 {
+  "checkpoint_merge": {
+    "inputs": [
+      {
+        "checkpoint": "checkpoint_step_1010000.pt",
+        "sha256": "47418014f7a640a6ffb196764219c5481ac44acb01616f930fdfe2ec6355cdca",
+        "source_weights": "ema",
+        "step": 1010000,
+        "weight": 0.5
+      },
+      {
+        "checkpoint": "checkpoint_step_1090000.pt",
+        "sha256": "e6488b08a831903ca64cc9b8a7dfdef869e0948f69564fbb2d072ab7d25b8cef",
+        "source_weights": "ema",
+        "step": 1090000,
+        "weight": 0.5
+      }
+    ],
+    "source_weights": "ema"
+  },
   "dtype": "bfloat16",
-  "exporter_sha256": "df8a6cf46d78b38d8297b0c75a76c1eaaf859bb55ec3375a623dc4804d5571d1",
-  "exporter_source_commit": "e75e83d792f45eb82e60e022500edead452be79a",
+  "exporter_sha256": "19f038788be08d985503a51bfeead0142757b462f277f92324633d352f53cfea",
+  "exporter_source_commit": "072493720cbc554d49c3d2e834f24b0de90d0dff",
+  "exporter_source_dirty": false,
+  "exporter_source_status": [],
   "latent_rgb_preview_source_checkpoint_sha256": "f42fd1af65010acba63582288d1802e054ab1cde4c3226dc02494c882cdea78e",
   "latent_rgb_preview_source_config_sha256": "8aff4041a12fe2165442867299f82e14853c2f71d9c94b6705e67521d6c042fb",
   "latent_rgb_preview_source_run_hash": "553803c53a59848a",
@@ -10,11 +31,11 @@
   "license": "MG-BY-SA-2.0",
   "parameter_count": 2061680772,
   "parity_result_ids": [
-    "local-bf16-amp-full-abm2-pdg-20260726-review"
+    "local-v0002-ema-blend-1010000-1090000-20260731"
   ],
-  "release": "v0001",
-  "source_checkpoint_sha256": "50dbe701465886f69d15db615be380d5d1aee773a70485a7300868677b720ee9",
-  "source_config_sha256": "2c7f5b74318f38303c33a9e5ee86a04b59f533cced7a76f806e179529970f86e",
+  "release": "v0002",
+  "source_checkpoint_sha256": "7dc4da9b7b4422d041f298bfa979f4e445ecf8610aba67264c75e6107fef8221",
+  "source_config_sha256": "49d9bdc322507f43ff92ab2a80fc2deb67fe459fcda02ad2acb7914c4db9cafa",
   "source_experiment": "flow_xattn_2b_1024_b6_outer3_xattn_v2",
   "source_run_hash": "1ae88744940b8212",
   "source_run_id": 97,