AWS Bedrock

AWS Bedrock adds reinforcement fine-tuning for foundation models

AWS Bedrock has introduced reinforcement fine-tuning capabilities to enhance foundation model performance using feedback signals. This new feature provides additional model optimization options for developers. No immediate action required - this is an additive capability.

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AWS Bedrock adds new managed IAM policies for Bedrock Mantle

Amazon Bedrock introduced three new managed IAM policies (FullAccess, ReadOnly, and InferenceAccess) for Bedrock Mantle, which provides OpenAI-compatible API endpoints for model inference. This addition enhances access control options for the new OpenAI-compatible interface. No immediate action required, but organizations may want to review these policies for potential integration.

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AWS Bedrock adds OpenAI compatible API endpoints with async inference

Amazon Bedrock now supports OpenAI compatible Responses API and Chat Completions API, enabling asynchronous inference and stateful conversations. This allows easier migration from OpenAI with minimal code changes by updating base URL and API key. The feature enhances agentic workflows with simplified tool use integration.

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AWS Bedrock adds new Reserved service tier for inference

AWS Bedrock has introduced a new Reserved service tier option for inference workloads. This appears to be an additional service tier that may offer different pricing or performance characteristics. No immediate action required as this is a new optional feature addition.

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AWS Bedrock adds Anthropic Claude Opus 4.5 model

Amazon Bedrock now provides access to Anthropic's latest Claude Opus 4.5 model. This expands the available model options for users building AI applications on the Bedrock platform. No action required - this is an additive capability enhancement.

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AWS Bedrock adds guardrail sharing across organization accounts

AWS Bedrock now allows users to share guardrails across accounts within an AWS organization. This new feature enhances collaboration and consistency in AI safety controls across organizational boundaries. No action required, this is an optional new capability.

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Amazon Bedrock Data Automation adds synchronous invocation support

Amazon Bedrock Data Automation now supports synchronous invocation alongside existing asynchronous capabilities. This enhancement provides developers with more flexible integration options for real-time use cases. No action required as this is an additive feature that doesn't affect existing implementations.

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AWS Bedrock Guardrails Standard tier adds enhanced coding use case support

Amazon Bedrock Guardrails Standard tier now provides improved support for coding use cases with upgraded content filters, prompt attack detection, and denied topics handling for code-related prompts. The enhancement includes comprehensive code domain documentation and prompt leakage detection without requiring changes to existing configurations. This is a beneficial feature addition that improves the platform's coding capabilities.

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AWS Bedrock adds support for OpenAI GPT-OSS models in custom model import

AWS Bedrock has expanded its custom model import functionality to include OpenAI GPT-OSS models. This enhancement provides users with additional model options for their custom implementations. No immediate action is required, but users can now leverage these new model capabilities if desired.

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Amazon Bedrock expands to 5 new regions including Africa, Asia Pacific, and Middle East

AWS Bedrock is now available in Africa (Cape Town), Asia Pacific (New Zealand), Canada West (Calgary), Mexico (Central), and Middle East (Bahrain). This expansion increases global availability and may reduce latency for users in these regions. No action required for existing deployments.

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Bedrock: Aurora Knowledge Base PostgreSQL text search dictionary recommendation updated

AWS Bedrock updated documentation for Aurora Knowledge Base integration to recommend using 'english' dictionary instead of 'simple' dictionary for PostgreSQL text search. This is a documentation clarification that may improve search quality for existing integrations. No immediate action required, but users may want to review their current dictionary configuration.

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Anthropic Claude 3.7 Sonnet moving to legacy status — migration to Claude Sonnet 4.5 required by April 2026

Anthropic Claude 3.7 Sonnet model is now in legacy status on AWS Bedrock and will be discontinued. Users must migrate to Claude Sonnet 4.5 before the April 28, 2026 deadline to avoid service interruption.

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AWS Bedrock adds four new Stability AI image services for outpaint and upscale

Amazon Bedrock has expanded its image generation capabilities by adding four new Stability AI services focused on outpainting and upscaling functionality. This enhancement provides users with additional image manipulation options within the Bedrock platform. No action is required as this is a new feature addition.

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AWS Bedrock now supports using customized models as base models

Users can now use previously fine-tuned or distilled models as the foundation for additional customization rounds. This enhancement provides more flexibility in iterative model development workflows. No action required - this is an additive feature.

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Amazon Bedrock foundation models now enabled by default with proper IAM permissions

AWS has made all Amazon Bedrock foundation models accessible by default when users have the correct IAM permissions configured. This simplifies the setup process for accessing Bedrock's AI models. No action is required from users who already have appropriate IAM permissions in place.

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Amazon Bedrock Guardrails expands cross-region inference to 5 new regions

AWS Bedrock Guardrails is now generally available with cross-region inference in Bangkok, Kuala Lumpur, Taipei, Tel Aviv, and Dubai regions. This expansion provides users in these regions with improved latency and data residency options. No action required for existing users.

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AWS Bedrock adds batch inference support for 5 new DeepSeek and Qwen models

AWS Bedrock has expanded batch inference capabilities to include DeepSeek V3.1 and four Qwen3 models including coding-specialized variants. This enhancement provides users with more model options for cost-effective batch processing workloads. No action required - this is an additive feature expansion.

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Cohere Embed v4 now available on Amazon Bedrock

AWS Bedrock has added support for Cohere's Embed v4 model, expanding the available embedding options on the platform. This is a new capability addition that provides users with an additional embedding model choice. No action is required, but users can now optionally utilize this new model for their embedding needs.

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Cohere Rerank 3.5 model available in US East (N. Virginia) region

AWS Bedrock has expanded regional availability of the Cohere Rerank 3.5 model to include US East (N. Virginia). This provides additional deployment options for users requiring this specific geographic region. No action required for existing deployments.

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Amazon Bedrock Guardrails expands to Asia Pacific (Melbourne) with cross-Region inference

Amazon Bedrock Guardrails is now generally available in the Asia Pacific (Melbourne) region and supports cross-Region inference capabilities. This expansion provides additional geographic options for deploying guardrails and enables inference across multiple regions. No action required - this is an additive capability enhancement.

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