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AWS bedrock documentation change

Service: bedrock · 2026-02-19 · Documentation low

File: bedrock/latest/userguide/custom-model-fine-tuning.md

Summary

Removed 'continued pre-training' references, focused documentation solely on fine-tuning. Added detailed table of supported models and regions, updated section titles.

Security assessment

Changes are organizational and informational, primarily updating model support details. No security vulnerabilities, incidents, or security-specific features are mentioned. The title change to include 'security' is superficial without accompanying security content in the diff.

Diff

diff --git a/bedrock/latest/userguide/custom-model-fine-tuning.md b/bedrock/latest/userguide/custom-model-fine-tuning.md
index c159e8673..537ae872a 100644
--- a//bedrock/latest/userguide/custom-model-fine-tuning.md
+++ b//bedrock/latest/userguide/custom-model-fine-tuning.md
@@ -5,18 +5,31 @@
-# Customize a model with fine-tuning or continued pre-training in Amazon Bedrock
-
-With Amazon Bedrock, you can train a foundation model to improve performance on specific tasks (known as fine-tuning) or pre-train a model by familiarizing it with certain types of inputs (known as continued pre-training). For information about fine-tuning Amazon Nova models, see [Fine-tuning Amazon Nova models](https://docs.aws.amazon.com/nova/latest/userguide/customize-fine-tune.html).
-
-###### Topics
-
-  * [Supported models and Regions for fine-tuning and continued pre-training](./custom-model-supported.html)
-
-  * [Prepare your training datasets for fine-tuning and continued pre-training](./model-customization-prepare.html)
-
-  * [Fine-tuning Amazon Nova models](./nova-fine-tuning-advanced.html)
-
-  * [Custom model hyperparameters](./custom-models-hp.html)
-
-  * [Submit a model customization job for fine-tuning or continued pre-training](./model-customization-submit.html)
-
-
-
+Supported models and Regions for fine-tuning
+
+# Customize a model with fine-tuning in Amazon Bedrock
+
+With Amazon Bedrock, you can train a foundation model to improve performance on specific tasks (known as fine-tuning). For information about fine-tuning Amazon Nova models, see [Fine-tuning Amazon Nova models](https://docs.aws.amazon.com/nova/latest/userguide/customize-fine-tune.html).
+
+## Supported models and Regions for fine-tuning
+
+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  
+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  
+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  
+  
+For information about model customization hyperparameters for each model, see [Custom model hyperparameters](./custom-models-hp.html).
@@ -30 +43 @@ To use the Amazon Web Services Documentation, Javascript must be enabled. Please
-Model customization
+Model customization access and security
@@ -32 +45 @@ Model customization
-Supported models and Regions for fine-tuning and continued pre-training
+Prepare data for fine-tuning your models