S3 Express One Zone — AWS’s 10x-faster, up-to-80%-cheaper-per-request tier versus S3 Standard — expanded to 7 additional regions on September 24. It extends last cycle’s AI-performance showcase (S3 Vectors, Rapid Storage) from a single flagship region to broad geographic reach, implying enterprises can now place performance-tier storage near compute almost everywhere rather than just where AWS chose to demo it first.
Azure Storage Discovery — the tool Microsoft recommends for inventorying a Blob estate ahead of the October 13 legacy auto-migration — has moved from public preview to General Availability, now with Microsoft Copilot integration for plain-language data insights. With the deadline now roughly two weeks out, enterprises that were waiting on the tool to mature no longer have that excuse; inaction from here becomes a migration Microsoft executes automatically.
Wasabi’s 2026 Global Cloud Storage Index (1,700 respondents across 12 countries) puts hard data behind this digest’s qualitative “multi-provider is the default” thesis: 81% of organizations now use more than one public cloud provider, and roughly half of public cloud storage spend already goes to fees rather than raw capacity — a trend the survey says has held steady for three straight years.
Neither open question moved this week: AWS still has no public S3 MCP server to match Google Cloud Storage’s GA offering, and Azure has not yet joined the AWS–Google Cross-Cloud Interconnect effort. With re:Invent (Nov 30–Dec 4) now about nine weeks away, teams building AI-agent or multicloud storage topologies around either question are one week closer to a likely answer, not a different one.
AWS and Azure deep-archive tiers now price within a rounding error of each other at roughly $0.00099/GB, per Finout’s 2026 cross-cloud pricing comparison — while Azure holds the cheapest Hot-tier entry point of the big three at $0.018/GB. The cold end of the market is effectively commoditized; the pricing competition that remains is concentrated almost entirely in the hot and premium tiers.
After months of the ~$720–745B 2026 hyperscaler figures holding flat, Goldman Sachs raised its 2027 hyperscaler AI capex forecast to $1.2 trillion (+50%) on September 25, above the prior $1.1T Street consensus. It is the first real upward revision this digest has logged in weeks — and the direct funding source behind next year’s storage capacity, and pricing power, across all three clouds.
AWS Storage
AWSAWS extended its high-performance single-AZ storage class to 7 additional regions on September 24, broadening geographic reach for the tier it’s been pushing as the AI-pipeline answer to idle-GPU cost. It’s not a new feature or a price cut — it’s coverage — but coverage is exactly what turns a flagship-region showcase into something architects can actually design around globally.
AWS Blog →Object Lock can now start a write-once-read-many retention clock from a future event — a contract closing, an audit completing — rather than only a fixed date set at write time. It’s a compliance-tooling refinement more than a headline launch, but it closes a real gap for regulated buyers who couldn’t previously express “retain until this deal closes” natively in S3.
AWS Storage Blog →Azure Storage
AZUREStorage Discovery, the estate-inventory tool Azure recommended ahead of the October 13 legacy-Blob auto-migration, has moved from public preview to General Availability, adding Microsoft Copilot integration for plain-language queries over storage insights. With new legacy-account creation already blocked and the auto-migration now roughly two weeks away, the tool teams were waiting to mature is no longer an excuse for not having started — inaction from here becomes a migration Microsoft executes automatically, on Microsoft’s default settings.
Microsoft Azure Blog →GCP Storage
GCPGoogle Cloud Storage picked up AI zones support alongside a hierarchical-namespace Object Lifecycle Management improvement (the Delete action now removes empty folders once a rule’s conditions are met). Neither is a headline launch on its own, but both extend the same thread as Rapid Storage and GCSFS prefetching before them — steady, incremental investment in making Cloud Storage a better AI-pipeline citizen rather than a cheaper commodity bucket.
Google Cloud Blog →Industry
CROSS-CLOUDFinout’s 2026 cross-cloud pricing comparison puts AWS and Azure deep-archive rates within a rounding error of each other at roughly $0.00099/GB, while Azure’s $0.018/GB Hot-tier entry price undercuts both rivals. The cold end of the market reads as fully commoditized; whatever pricing competition remains among the hyperscalers is concentrated almost entirely in the hot and premium tiers.
Finout →Wasabi’s 2026 Global Cloud Storage Index, surveying 1,700 business and IT respondents across 12 countries, found 81% of organizations use more than one public cloud provider and that roughly half of public cloud storage spend goes toward fees rather than raw capacity — a share the survey says has held steady for three straight years. It’s hard survey evidence behind the multi-provider and hidden-cost themes this digest has tracked qualitatively for months.
Wasabi 2026 Global Cloud Storage Index →| Metric | EBS gp3 | Premium SSD v2 | pd-balanced |
|---|---|---|---|
| Storage $/GB/mo | $0.08020% cheaper than gp2 | $0.100/GiBHourly billing | $0.100Default disk type |
| Baseline IOPS | 3,000Free — independent of size | 3,000Free — independent of size | 6/GBScales with disk size (500 GB = 3K) |
| Baseline Throughput | 125 MB/sFree — independent of size | 125 MB/sFree — independent of size | 0.28 MB/s/GBScales with disk size |
| IOPS Provisioning | Independent$0.005/IOPS/mo · up to 16K | IndependentSeparately provisionable · up to 80K | Tied to sizeNo independent IOPS control |
| Max IOPS (family) | 256,000io2 Block Express | 400,000Ultra Disk | 120,000pd-extreme |
| Snapshots | Incremental, S3-backedFast Snapshot Restore available | Instant Access (Pv2/Ultra)Instant creation + restore · free until Jul ’26 | IncrementalCloud Storage-backed · regional |
| Dimension | AWS EBS | Azure Managed Disks | GCP Persistent Disk |
|---|---|---|---|
| Price Leader | gp3 at $0.08/GB Cheapest | Pv2 at $0.10/GiB | pd-balanced at $0.10/GB |
| IOPS Flexibility | Independent (gp3) Winner | Independent (Pv2) Winner | Scales with disk size only |
| Latency | io2: sub-ms | Ultra: sub-500µs avg Winner | pd-ssd: single-digit ms |
| Snapshots | Incremental + Fast Restore | Instant Access (Pv2/Ultra) Winner | Incremental, Cloud Storage-backed |
| Shared/Multi-Attach | io2 multi-attach (16 instances) | Broadest: Ultra/Premium/Standard SSD Winner | Multi-writer (up to 2 VMs) |
| Cold Block $/GB | sc1: $0.015/GB Cheapest | Std HDD: ~$0.04/GB | pd-standard: $0.040/GB |
Azure Premium SSD v2 charges $0.0005/IOPS/month above its 3K baseline — that’s 130x cheaper than AWS io2 Block Express ($0.065) and 10x cheaper than AWS gp3 and GCP Hyperdisk ($0.005). At 64,000 IOPS, the gap is staggering: Azure Pv2 costs $30.50/mo for IOPS alone, while AWS io2 charges $4,160/mo and GCP Hyperdisk Extreme charges $640/mo. If your workload is IOPS-intensive and you’re not on Azure, you’re leaving significant money on the table.
| IOPS Level | AWS gp3 | AWS io2 BE | Azure Pv2 | GCP HDB | GCP HD-Ext |
|---|---|---|---|---|---|
| 3,000 | $0 (free) | $195 | $0 (free) | $0 (free) | $30 |
| 10,000 | $35 | $650 | $3.50 | $35 | $100 |
| 64,000 | $305 | $4,160 | $30.50 | $305 | $640 |
| 256,000 | N/A (80K max) | $16,640 | N/A (80K max) | N/A (160K max) | $2,560 |