01
Resolve support
Pin one model ID, Region, customization technique, and LoRA-or-FFT cell from the current AWS matrix.
Independent decision guide · Source checked August 4, 2026
Plan SageMaker customization from model support to deployment
SageMaker AI can manage the training infrastructure for supported LoRA and full fine-tuning jobs. Your team still owns the model and Region choice, data rights, IAM, evaluation, budget, deployment target, monitoring, and rollback.
Five gates
A completed training job is an artifact, not a deployment approval
02
Approve the data
Version rights-cleared training, validation, and holdout assets with an owner, purpose, schema, and removal path.
03
Set the job boundary
Review Studio or SDK submission, least-privilege IAM, S3 outputs, hyperparameters, budgets, timeouts, and stop criteria.
04
Evaluate independently
Compare the logged model with the base model using an untouched holdout, calibrated scorers, human review, and regression gates.
05
Choose deployment
Verify SageMaker endpoint or Bedrock Custom Model Import support, then test serving, monitoring, cost, canary, and rollback.
Live support boundary
Resolve one exact configuration before building the dataset
region = current supported Region model = exact SageMaker model ID technique = SFT | DPO | RLVR | RLAIF | documented multi-turn RL training_type = LoRA | FFT data = versioned train / validation / holdout assets deployment = SageMaker endpoint | verified Bedrock import path
A family announcement does not establish support for every model, technique, Region, or deployment target. Use the live AWS matrix and record the source date.
Decision guides
Open the next decision, not a generic fine-tuning tutorial
SageMaker customization questions, answered
It is a managed SageMaker AI workflow for customizing supported foundation models through Studio or the Python SDK while AWS provisions and cleans up the training infrastructure.
Yes. AWS announced full fine-tuning for more than 25 open-source models on August 3, 2026, alongside parameter-efficient methods such as LoRA. Exact support varies by model and technique.
AWS documents supervised fine-tuning, direct preference optimization, reinforcement learning with verifiable rewards, reinforcement learning with AI feedback, and multi-turn reinforcement learning, subject to the current model and interface support.
No. This is an independent planning and implementation guide. It does not access an AWS account, upload data, create a training job, deploy a model, or establish a Flowith integration with SageMaker.
This independent page is not an AWS console, training job, model endpoint, or Flowith integration. Verify current AWS documentation, model support, Regions, IAM, data processing, SDK behavior, quotas, prices, evaluation, deployment compatibility, and terms before use.