Amazon Bedrock (model customization)

Active. Amazon Bedrock is a business line of Amazon Web Services; parent Amazon.com, Inc. is publicly listed.

Sources 1, 2, 3, 4 · checked 2026-11-08

• Supervised fine-tuning on labeled data for supported Amazon Nova, Meta Llama 3.x, and Anthropic Claude 3 Haiku models
• Reinforcement fine-tuning with reward functions defined in AWS Lambda; can use prompt datasets or Bedrock invocation logs
• Distillation from a larger teacher model to a smaller student model
• Custom models are used inside Bedrock; training billed by tokens processed plus monthly model storage

Sources 1, 2, 3, 4 · checked 2026-11-08

• Teams already on AWS that want customization inside their existing account and controls
• Buyers who need HIPAA-eligible or FedRAMP High (GovCloud US-West) services

Sources 1, 2, 3, 4 · checked 2026-11-08

Reinforcement fine-tuning: $80.00 per training hour for gpt-oss-20b and Qwen3 32B (US East N. Virginia and US West Oregon), plus $1.95 storage per trained model per month. Supervised fine-tuning is billed per token processed (training tokens x epochs) plus monthly storage; rates vary by model.

Sources 1, 2, 3, 4 · checked 2026-11-08

• In scope for AWS ISO and SOC compliance programs (as stated by AWS)
• HIPAA eligible
• GDPR (customers can use Bedrock in compliance with GDPR, per AWS)
• FedRAMP High (AWS GovCloud US-West)

Listed as stated by the vendor. Scope can differ by product or subsidiary; request current reports.

Sources 1, 2, 3, 4 · checked 2026-11-08

• Fine-tuning model list is limited and region-specific (for example, Nova models in us-east-1, Llama models in us-west-2)
• No weights-export path found in the Bedrock customization docs; custom models run inside Bedrock
• Supervised fine-tuning rates for current models were not readable on the public pricing page when checked; confirm in the AWS pricing calculator

Sources 1, 2, 3, 4 · checked 2026-11-08