Fly.io vs Telnyx: what each really costs

Team size

Billing

Fly.io

No plan for this billing option

No paid plan to compare for this billing option.

Telnyx

No plan for this billing option

No paid plan to compare for this billing option.

10 peopleFly.ioTelnyx
Entry paid planNo plan for this billing optionNo plan for this billing option
Vendor price
Monthly cost
Annual cost
Per user / year
Billing commitmentNot recordedNot recorded
Minimum seatsNone statedNone stated
Free planNo free plan listedNo free plan listed
Free trialNot statedNot stated

Calculated by SpecEntry from official vendor prices. Taxes and optional add-ons are not included. Open each product page for every plan and the official source.

Fly.io vs Telnyx: features

Key features as each vendor lists them. A feature missing from a list does not mean the product lacks it.

Fly.io

  • Fly MachinesHardware-virtualized containers that launch instantly and run on demand.
  • Isolated sandboxesHardware-isolated sandboxes for running untrusted or AI-generated code.
  • Sprites environmentsEach Sprite is a self-contained environment ready in under a second.
  • Checkpoint and restoreCheckpoint an entire environment and restore it after breaking changes.
  • NVMe and object storageLocal NVMe for low latency plus global durable object storage.
  • Agent-ready CLIs and MCPCLIs and MCP servers designed to be driven by AI agents.
  • KVM hardware isolationApps run KVM hardware-isolated on Fly.io's own hardware.

Source:fly.io ·

Telnyx

  • OpenAI-compatible inferencePoint an existing client at Telnyx by setting base URL, API key and model.
  • Streaming and tool callsStream responses; supported models can call tools and return structured output.
  • Open-weight modelsRun open-weight models on demand with no infrastructure to manage.
  • Session context storeStore session context with a TTL that agents read across channels.
  • Serverless SQLiteServerless SQLite for edge functions.
  • Stateful agentsBuild agents with persistent memory, scheduled tasks and communications API bindings.
  • S3-compatible storageStore app data, recordings and model artifacts in S3-compatible storage.

Source:telnyx.com ·

Fly.io vs Telnyx pricing questions

  1. How much do Fly.io and Telnyx cost?

    Fly.io paid plans start at $2.19 per month ($0.0030/hr), billed per second (Machine shared-cpu-1x 256MB). Telnyx paid plans start at $0.01 per minute, from (SIP trunking outbound).

  2. Is Fly.io or Telnyx cheaper for 5 users?

    Telnyx is cheaper for 5 users: $12 per year on Local US phone number, against $348 per year for Fly.io on Standard support. That is $336 less per year, before tax.

  3. Is Fly.io or Telnyx cheaper for 10 users?

    Telnyx is cheaper for 10 users: $12 per year on Local US phone number, against $348 per year for Fly.io on Standard support. That is $336 less per year, before tax.

  4. Is Fly.io or Telnyx cheaper for 25 users?

    Telnyx is cheaper for 25 users: $12 per year on Local US phone number, against $348 per year for Fly.io on Standard support. That is $336 less per year, before tax.