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[ARTICLE · art-152579] src=llmstatus.ai ↗ pub= topic=large-language-models verified=true sentiment=· neutral

New model: Claude Sonnet 5.5 (US) (Amazon)

Anthropic's Claude Sonnet 5.5 became available on Amazon Bedrock under the model ID us.anthropic.claude-sonnet-5-5 on 2026-09-28, with no retirement date announced. The model accepts text, image and PDF input, supports a 1,000k-token context window and 128k maximum output, and is priced at $2.20 per 1M input tokens and $11 per 1M output tokens. The listing points developers to a provider announcement and to a tool that scans repositories for models with retirement dates.

read1 min views1 publishedOct 19, 2026
New model: Claude Sonnet 5.5 (US) (Amazon)
Image: Llmstatus (auto-discovered)

AM● Healthy

Amazon · us.anthropic.claude-sonnet-5-5

Released2026-09-28

Retiresno announced date

claude-sonnettext+image+pdf1000k context128k max out$2.20 / $11 per 1M

also matches:

`us.anthropic.claude-sonnet-5-5`` amazon/us.anthropic.claude-sonnet-5-5`
[provider announcement →](https://models.dev/amazon-bedrock/us.anthropic.claude-sonnet-5-5)

Does your code call Claude Sonnet 5.5 (US)?

$ curl -fsSL https://llmstatus.ai/install.sh | bash

Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.

Get alerted before it retires →

source & further reading
llmstatus.ai — original article New model: GPT-5.6 Luna (India) (Amazon) New model: Claude Opus 5 (Global) (Amazon) Nano Banana deprecated, retires 2026-10-02 → Nano Banana 2
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