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driftless vs Kiro

Kiro is AWS's agentic IDE built around spec-driven development. driftless is the delivery platform built around the whole cycle: paired PRDs and tech specs, spec gates the platform enforces, and persistent agents that ship the work. Every competitor fact on this page was verified against kiro.dev on September 24, 2026.

Verified against kiro.dev and kiro.dev/pricing on September 24, 2026. Competitor facts are re-verified before any change to this page ships.

Feature comparison

Kiro turns prompts into executable specs and checks them in the editor. driftless runs the same discipline as platform workflow: shaping, gating, shipping, and verification with bidirectional traceability.

Capability driftless Kiro
Spec artifacts Paired PRD and tech spec with bidirectional section-to-task traceability Requirements, architectural designs, and sequenced task lists generated from prompts
Requirements checks Spec gates run structural and semantic validation on every task Automated reasoning checks requirements for contradictions and gaps before code is written
Gate enforcement Enforced by the platform workflow: a failed gate stops the work in place Checks run as analysis inside the IDE
Requirements shaping BA Agent converts conviction into structured, testable, sequenced work Specs are generated from prompts in the IDE
Agent execution Persistent BA and coding agents orchestrated across the delivery cycle Parallel agents in Kiro IDE, CLI, web, and cloud sessions
Verification Automated acceptance-criteria validation in the Verify phase Property-based tests assert rules that must hold across all inputs
Spec-to-task traceability Bidirectional: every requirement traces to a task, every task to a requirement Not documented on kiro.dev as of September 24, 2026

Pricing comparison

driftless prices per seat with no usage metering on the platform. Kiro prices per user with a monthly credit allowance, and model choice changes how fast credits burn.

Pricing driftless Kiro
Pricing model Per seat, flat monthly price Per user, credit-metered
Free tier $0: 1 user, 2 agents (BA + Coding), BYOK inference $0: 50 credits, open-weight models and Claude Sonnet 4.5
Entry paid tier Pro: $100/seat/mo for the first 100 seats, $70/seat after Pro: $20/user/mo with 1,000 credits
Higher tiers Enterprise: custom, per seat, fully managed Pro+ $40 (2,000 credits), Pro Max $100 (5,000), Power $200 (10,000) per user/mo
Overage and limits BYOK lets inference run on your provider keys Add-on credits $0.04 each; unused monthly credits do not roll over
Model cost Billed by your provider under BYOK Credit multipliers per model: Claude Sonnet 5 costs 1.3x the credits of Auto
Teams Org-scoped agents; SSO and SCIM at the Enterprise tier Each developer needs their own subscription; plans cover teams up to 500, with Kiro for enterprise above that

FAQ

  • How is driftless different from Kiro? Kiro is an agentic IDE: it turns prompts into requirements, designs, and sequenced tasks, checks requirements for contradictions and gaps with automated reasoning, and implements with parallel agents. driftless is a delivery platform: a BA agent shapes paired PRDs and tech specs, spec gates run as part of the platform workflow, and persistent agents execute tasks with automated acceptance-criteria validation. Choose driftless when you want the delivery cycle itself managed and enforced. Choose Kiro when the work you need is inside an editor.
  • How does pricing differ between driftless and Kiro? driftless Pro is $100 per seat per month for the first 100 seats and $70 per seat after, with no credit metering; BYOK lets inference run on your provider keys. Kiro prices per user by credits: Pro is $20 per user per month with 1,000 credits, higher tiers run to Power at $200 per user per month with 10,000 credits, add-on credits cost $0.04 each, and unused monthly credits do not roll over. Model choice changes the rate: Claude Sonnet 5 consumes 1.3x the credits of Auto.
  • Do Kiro's requirement checks enforce spec gates? Kiro checks your requirements for contradictions and gaps using automated reasoning before code is written. Those checks are analysis inside the IDE. driftless spec gates are enforced by the platform workflow, so a failed gate stops the work in place.

See the difference in your own workflow

Start free with two agents and BYOK, or read the full pricing breakdown. The pricing page has tier details, and Cascades explains the shape, gate, ship, verify cycle behind the gates.

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