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Anthropic models inaccessible via AWS Bedrock Mantle API

By PulseAugur Editorial · [1 sources] ·

Users are reporting issues accessing Anthropic models through Amazon Bedrock's Mantle API. In the us-east-1 region, users are encountering permission denied errors for models like 'anthropic.claude-haiku-4-5' and 'anthropic.claude-sonnet-4-5', with some models not existing and the model listing API also returning errors. Additionally, the Anthropic provider is reportedly missing entirely in the us-east-2 region. It is unclear if these issues stem from a lack of account approval, a required marketplace subscription, or a broader service outage. AI

IMPACT Potential disruption for developers relying on Anthropic models via AWS Bedrock.

RANK_REASON User-reported issues with a cloud provider's integration of an AI model.

Read on r/Anthropic →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Anthropic models inaccessible via AWS Bedrock Mantle API

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Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User-reported issues with a cloud provider's integration of an AI model.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
101 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/Anthropic TIER_1 English(EN) · /u/qwerty9172 ·

    All Anthropic models failing in Bedrock Mantle (us-east-1), and Anthropic provider missing entirely in us-east-2 (Ohio)

    <!-- SC_OFF --><div class="md"><p>I'm trying to use Anthropic models through the new Bedrock Mantle API and am seeing inconsistent behavior.</p> <p>**Region:** us-east-1 (N. Virginia)</p> <p>I created a Bedrock project, generated API keys, and used the console-generated sample co…

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