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title: "Azure Blob Storage: optimize costs and performance with the new Smart Tier option."
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    quote: Blobs over 128 KiB incur a monthly monitoring charge; blobs 128 KiB or smaller do not.
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    title: "Azure Blob Storage: optimize costs and performance with the new Smart Tier option."
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    quote: Any access resets the timer and immediately returns the blob to hot.
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post_id: "13657"
source_id: demiliani-com
source_name: Stefano Demiliani
url: https://demiliani.com/2026/04/15/azure-blob-storage-optimize-costs-and-performance-with-the-new-smart-tier-option/
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  - text: Blobs over 128 KiB incur a monthly monitoring charge; blobs 128 KiB or smaller do not.
    why_it_matters: Understanding the billing model is critical for cost estimation and helps identify which datasets benefit most from Smart Tier.
  - text: Any access resets the timer and immediately returns the blob to hot.
    why_it_matters: This ensures frequently accessed data maintains high performance while inactive data moves to cheaper tiers, balancing cost and performance.
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# Azure Blob Storage: optimize costs and performance with the new Smart Tier option.

[Read the post](https://demiliani.com/2026/04/15/azure-blob-storage-optimize-costs-and-performance-with-the-new-smart-tier-option/) · Stefano Demiliani (Stefano Demiliani, MVP) · 2026-04-15 · 674 words · tier community · **flagged** (a review found a problem)

> Summary withheld: an Opus review found that the machine-written summary did not match the post. Read the original post.

## Quotes

- "Blobs over 128 KiB incur a monthly monitoring charge; blobs 128 KiB or smaller do not." (Understanding the billing model is critical for cost estimation and helps identify which datasets benefit most from Smart Tier.)
- "Any access resets the timer and immediately returns the blob to hot." (This ensures frequently accessed data maintains high performance while inactive data moves to cheaper tiers, balancing cost and performance.)

## Context

- Features: Smart Tier, automated tiering, hot/cool/cold tier placement, cost reduction, zero transition costs

Source: Stefano Demiliani, community blog. Summary, key points and quotes are derived (CONTENT-NOTICE.md); read the original for the full text.