Supported models and Regions for fine-tuning and continued pre-training

The following table shows the foundation models that you can fine-tune:

Provider	Model	Model ID	Single-region model support
Amazon	Nova 2 Lite	amazon.nova-2-lite-v1:0:256k	us-east-1
Amazon	Nova Canvas	amazon.nova-canvas-v1:0	us-east-1
Amazon	Nova Lite	amazon.nova-lite-v1:0:300k	us-east-1
Amazon	Nova Micro	amazon.nova-micro-v1:0:128k	us-east-1
Amazon	Nova Pro	amazon.nova-pro-v1:0:300k	us-east-1
Amazon	Titan Image Generator G1	amazon.titan-image-generator-v1:0	us-east-1 us-west-2
Amazon	Titan Image Generator G1 v2	amazon.titan-image-generator-v2:0	us-east-1 us-west-2
Amazon	Titan Multimodal Embeddings G1	amazon.titan-embed-image-v1:0	us-east-1 us-west-2
Amazon	Titan Text G1 - Express	amazon.titan-text-express-v1:0:8k	us-east-1 us-west-2
Amazon	Titan Text G1 - Lite	amazon.titan-text-lite-v1:0:4k	us-east-1 us-west-2
Anthropic	Claude 3 Haiku	anthropic.claude-3-haiku-20240307-v1:0:200k	us-west-2
Meta	Llama 3.1 70B Instruct	meta.llama3-1-70b-instruct-v1:0:128k	us-west-2
Meta	Llama 3.1 8B Instruct	meta.llama3-1-8b-instruct-v1:0:128k	us-west-2
Meta	Llama 3.2 11B Instruct	meta.llama3-2-11b-instruct-v1:0:128k	us-west-2
Meta	Llama 3.2 1B Instruct	meta.llama3-2-1b-instruct-v1:0:128k	us-west-2
Meta	Llama 3.2 3B Instruct	meta.llama3-2-3b-instruct-v1:0:128k	us-west-2
Meta	Llama 3.2 90B Instruct	meta.llama3-2-90b-instruct-v1:0:128k	us-west-2
Meta	Llama 3.3 70B Instruct	meta.llama3-3-70b-instruct-v1:0:128k	us-west-2

The following table shows the foundation models that you can continuously pre-train:

Provider	Model	Model ID	Single-region model support
Amazon	Titan Text G1 - Express	amazon.titan-text-express-v1:0:8k	us-east-1 us-west-2
Amazon	Titan Text G1 - Lite	amazon.titan-text-lite-v1:0:4k	us-east-1 us-west-2

For information about model customization hyperparameters for each model, see Custom model hyperparameters.