c8i-flex.12xlarge

    $2.4636/hr

    ~$1798.43/month on-demand in ap-southeast-1

    The c8i-flex.12xlarge is a Compute optimized instance with 48 vCPUs and 96 GiB of memory with up to 11.25 Gbps bandwidth, starting at $2.464 per hour.

    Last updated: Jan 16, 2026, 12:22 PM UTC

    Pricing varies by operating system

    All pricing cards update to show this payment type

    Pricing Options

    Compute SP

    Most flexible - any instance

    1 Year - No Upfront
    $1.8699/hr
    ~$1365.03/mo
    Save 24%
    3 Year - No Upfront
    $1.2760/hr
    ~$931.51/mo
    Save 48%

    EC2 Instance SP

    Locked to family - cheaper

    1 Year - No Upfront
    $1.6352/hr
    ~$1193.70/mo
    Save 34%
    3 Year - No Upfront
    $1.1175/hr
    ~$815.77/mo
    Save 55%

    Reserved

    Region & instance locked

    Spot Pricing

    Up to 90% savings - flexible workloads

    Cheapest AZ
    ap-southeast-1a
    $1.4796/hr
    ~$1080.11/mo
    Save 28% vs On-Demand
    5-10%interruption rate
    Price Range (24h)
    Min
    $0.9027
    Avg
    $1.5297
    Max
    $2.5995
    All Availability Zones
    ap-southeast-1a$1.4796/hr
    ap-southeast-1b$2.5985/hr
    ap-southeast-1c$2.5983/hr
    ap-southeast-1c$1.1377/hr
    ap-southeast-1c$1.5311/hr
    ap-southeast-1b$1.0369/hr
    ap-southeast-1a$1.0862/hr
    ap-southeast-1b$0.9119/hr
    ap-southeast-1a$2.5995/hr
    ap-southeast-1b$1.4303/hr
    ap-southeast-1a$0.9612/hr
    ap-southeast-1c$1.0127/hr

    Instance Specifications

    Detailed hardware and capabilities for c8i-flex.12xlarge

    Processor

    ManufacturerIntel
    Clock Speed3.9 GHz
    Sustained Speed3.9 GHz
    Architecturex86_64
    vCPUs48
    Memory96 GiB
    Memory per vCPU2.00 GiB

    Network

    PerformanceUp to 22.5 Gigabit
    Bandwidth11.25 Gbps
    Max Interfaces12
    IPv4 per Interface50
    Enhanced Networking
    EFA Support
    IPv6

    Storage

    EBS Only
    EBS Optimized
    EBS Encryption
    EBS NVMe Support
    Max Bandwidth15000 Mbps (1875.00 MB/s)
    Max IOPS60,000
    Baseline Bandwidth7500 Mbps (937.50 MB/s)
    Baseline IOPS30,000

    Capabilities

    GenerationCurrent
    Burstable
    Bare Metal
    Dedicated Hosts
    Hibernation
    Auto Recovery
    Free Tier
    Usage Classeson-demand, spot
    Root Devicesebs
    Virtualizationhvm

    Regional Pricing Comparison

    Compare c8i-flex.12xlarge (Linux) pricing across all regions - sorted by cost

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