Koyeb Serverless vs Fly.io MicroVMs: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Koyeb Serverless (koyeb) vs Fly.io MicroVMs (fly-io). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Koyeb Serverless (koyeb) 2026 Q4 Developer Promotion & Volume Credits
Koyeb Serverless offers dedicated 2026 startup credits, annual volume discounts (25%–35% off), and free migration engineering support for verified domain holders.
Fly.io MicroVMs (fly-io) 2026 Q4 Developer Promotion & Volume Credits
Fly.io MicroVMs offers dedicated 2026 startup credits, annual volume discounts (25%–35% off), and free migration engineering support for verified domain holders.
Based on 2026 infrastructure benchmarks, Koyeb Serverless starts at $5/month ($27 per 10k MAU scaling, $0/GB egress), whereas Fly.io MicroVMs starts at $5/month ($26 per 10k MAU, $0/GB egress). Fly.io MicroVMs leads in edge response speed with a 19ms P90 latency.
Includes generous or $0.00/GB bandwidth egress allocation.
Includes generous or $0.00/GB bandwidth egress allocation.
| Specification / FinOps Dimension | Koyeb Serverless | Fly.io MicroVMs | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | koyeb | fly-io | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $5/mo | $5/mo | Koyeb Serverless |
| P90 First-Token / Edge Latency | 21ms | 19ms | Fly.io MicroVMs (-2ms) |
Serverless platform for deploying containers, APIs, and AI models globally.
Hardware-virtualized Firecracker MicroVMs and GPUs close to users globally.
Real-Time Stack Cost & Hidden-Fee Simulator (MAU / Token / Egress / GMV)
Calibrated with Reddit r/FinOps & r/devops telemetry: Includes Context Caching, Bandwidth Egress, and MoR Tax
🪁Switch from Koyeb Serverless to Fly.io MicroVMs
Hardware-virtualized Firecracker MicroVMs and GPUs close to users globally. Verified P90 latency of 19ms.