[None][feat] Support the DMD2-distilled Cosmos3-Super-Text2Image-4Step checkpoint - #16563

Merged

chang-l merged 17 commits into

NVIDIA:mainfrom

ishovkun:cosmos3_t2i_4step

Jul 30, 2026

Commits on Jul 28, 2026

Add Cosmos3-Super-Text2Image-4Step to supported models
ishovkun
committed
992e5a3
[None][chore] Require diffusers>=0.39.0 for seeded FlowMatchEuler stochastic sampling
ishovkun
committed
8ec270d
[None][feat] Accept Cosmos3 transformer configs from newer diffusers conversions
ishovkun
committed
6131ef7
[None][feat] Support the DMD2-distilled Cosmos3 4-step text-to-image checkpoint
ishovkun
committed
978cb74
[None][doc] Document Cosmos3-Super-Text2Image-4Step usage
ishovkun
committed
818984a
[None][test] Cover the distilled Cosmos3 sampling path
ishovkun
committed
faf6eef
Add output file size check to Cosmos3 T2I test
ishovkun
committed
caea577
Add type annotations to VisualGen test helpers and fixtures
ishovkun
committed
a98408f
Fix test_old_schema_untouched to verify all non-default fields
ishovkun
committed
86101a2
Add TypeVar annotation to preserve config type in compat defaults
ishovkun
committed
0a64164
[None][fix] Call the lazy _venv_check_call wrapper in the t2i_4step example test
ishovkun
committed
c25b9aa
[None][fix] Require stochastic sampling in the distilled Cosmos3 recipe
ishovkun
committed
2eabbb6
[None][fix] Reject image-conditioned requests on distilled Cosmos3 checkpoints
ishovkun
committed
8918222
[None][doc] Acknowledge mode-deferred defaults in the default_params contract
ishovkun
committed
baef76e
[None][infra] Run the t2i_4step example post-merge on B200
ishovkun
committed
e6f661f
[None][chore] Align the dev diffusers pin with the runtime floor
ishovkun
committed
3db3276
[None][fix] Stop forcing TLLM_DISABLE_MPI on every VisualGen unit test
ishovkun
committed
a9a7dac

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[None][feat] Support the DMD2-distilled Cosmos3-Super-Text2Image-4Step checkpoint - #16563

[None][feat] Support the DMD2-distilled Cosmos3-Super-Text2Image-4Step checkpoint#16563
chang-l merged 17 commits into
NVIDIA:mainfrom
ishovkun:cosmos3_t2i_4step

Commits on Jul 28, 2026

Add Cosmos3-Super-Text2Image-4Step to supported models

[None][chore] Require diffusers>=0.39.0 for seeded FlowMatchEuler stochastic sampling

[None][feat] Accept Cosmos3 transformer configs from newer diffusers conversions

[None][feat] Support the DMD2-distilled Cosmos3 4-step text-to-image checkpoint

[None][doc] Document Cosmos3-Super-Text2Image-4Step usage

[None][test] Cover the distilled Cosmos3 sampling path

Add output file size check to Cosmos3 T2I test

Add type annotations to VisualGen test helpers and fixtures

Fix test_old_schema_untouched to verify all non-default fields

Add TypeVar annotation to preserve config type in compat defaults

[None][fix] Call the lazy _venv_check_call wrapper in the t2i_4step example test

[None][fix] Require stochastic sampling in the distilled Cosmos3 recipe

[None][fix] Reject image-conditioned requests on distilled Cosmos3 checkpoints

[None][doc] Acknowledge mode-deferred defaults in the default_params contract

[None][infra] Run the t2i_4step example post-merge on B200

[None][chore] Align the dev diffusers pin with the runtime floor

[None][fix] Stop forcing TLLM_DISABLE_MPI on every VisualGen unit test