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Kiro

Spec-driven

Kiro AI IDE — AWS's spec-driven agentic coding client, the official successor to Amazon Q Developer

IDE ToolsKiro Subscription
Official

Core models

Claude Opus 4.8Claude Opus 4.7Claude Opus 4.6Claude Opus 4.5Claude Sonnet 4.6Claude Sonnet 4.5Claude Sonnet 4.0AutoClaude Haiku 4.5DeepSeek 3.2MiniMax M2.5GLM-5MiniMax M2.1Qwen3 Coder Next
Claude Opus 4.8

The latest Opus in Kiro's catalog with 1M context at a 2.2× credit multiplier vs Auto; strongest self-verification—flags uncertainty instead of false progress—suited to high-stakes architecture and complex spec implementation.

Claude Opus 4.7

Auto-scales reasoning depth by task complexity with precise instruction following and higher-resolution vision; 2.2× multiplier, Pro and above—suited to complex agent tasks needing adaptive deep thinking.

Claude Opus 4.6

Stable benchmark performance, stays focused over long sessions, strong code review; 1M context at 2.2×, Pro and above—suited to extended debugging and multi-round spec iteration.

Claude Opus 4.5

Strong on cross-system architecture and ambiguous boundaries with high single-shot accuracy; 200K context at 2.2×, Pro and above—suited to service-boundary analysis and architecture tradeoff work.

Claude Sonnet 4.6

Near-Opus intelligence at Sonnet cost with better token efficiency; 1M context at 1.3×, Pro and above (not on Free)—the value pick for daily high-intelligence tasks.

See the official site for more models

Additional core model names still appear above, with full details on the latest official page.

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Plan details

Free

Free
Price
Free
50 credits/mo · no overage
Official
Usage
Permanent free tier with 50 credits per month and no card required; experience the full Spec / Vibe / Auto workflow plus Sonnet 4.5/4.0, DeepSeek 3.2, MiniMax, GLM-5, Qwen3 Coder Next, and other open-weight models.
Models
Does not include the full Opus line, Sonnet 4.6, or Haiku 4.5; complex specs or multi-round agent work will burn through the monthly allowance quickly—best for evaluating whether Kiro's methodology fits you.
Highlights
No overage option—when credits run out you wait for the monthly reset or upgrade; first upgrade to Pro or above grants a one-time 1,000-credit bonus.
Best for
Individual developers evaluating spec-driven development before paying

Pro

Most popularRecommended
Price
$20/mo
1,000 credits/mo · opt-in overage $0.04/credit
Official
Usage
1,000 credits per month unlocks the full Opus line, Sonnet 4.6, Haiku 4.5, and other premium models—enough for most individual developers to integrate specs, conversational edits, and medium-complexity agent tasks into daily work.
Models
Optional $0.04/credit overage prevents hard stops during usage spikes; compared with Free, the real gain is completing full Spec → implement → verify flows without constant interruption.
Highlights
Usually the most natural starting point for individual developers using Kiro as a daily primary IDE; if you mainly use Opus, watch the 2.2× multiplier and consider Pro+.
Best for
Developers using Kiro as a primary personal IDE

Pro+

Advanced
Price
$40/mo
2,000 credits/mo · opt-in overage $0.04/credit
Official
Usage
2,000 credits per month—double Pro's budget—makes multi-step agents, longer spec flows, and frequent Opus calls more sustainable for heavy users who rely on Kiro as a planning-and-execution workbench.
Models
Less likely than Pro to force workflow downgrades midstream due to credit limits; still supports opt-in overage for sustained high-frequency personal projects and multi-round agent development.
Highlights
If you mainly run Opus at 2.2×, Pro's 1,000 credits roughly equals ~450 Auto-baseline tasks; Pro+ approaches ~900—the gap is very visible under heavy Opus usage.
Best for
High-frequency individual developers who frequently use Opus and long agent chains

Pro Max

Professional daily
Price
$100/mo
5,000 credits/mo · opt-in overage $0.04/credit
Official
Usage
5,000 credits per month bridges the gap between Pro+ ($40) and Power ($200)—for professionals who spend hours daily coding, running specs, and iterating in Kiro, with a predictable flat rate instead of creeping overage bills.
Models
Same full feature set as Power: Specs, custom subagents, Powers, hooks, and full CLI access; unlocks all premium models (Claude Opus 4.8, Sonnet 4.6, Auto, and more, subject to regional availability).
Highlights
If Pro+ overage regularly exceeds $60–70/month, Pro Max is usually cheaper than overage alone; still supports opt-in $0.04/credit overage, with mid-cycle upgrades prorated and new limits effective immediately.
Best for
Professional developers who use Kiro as an all-day primary IDE and regularly outgrow Pro+

Power

Max usage
Price
$200/mo
10,000 credits/mo · opt-in overage $0.04/credit
Official
Usage
10,000 credits per month—a true heavy-usage tier for long complex specs, large edits, parallel projects, and sustained agent execution; behaves more like a stable personal AI engineering budget pool.
Models
Even with Opus at 2.2×, 10,000 credits still leaves substantial room for premium tasks; for multi-project parallel work and long edit chains, it removes much of the hesitation to use the tool fully.
Highlights
Clear overkill for ordinary users; Power shows its value only if you rely on spec-driven development intensely every day and keep agents pushing work forward continuously.
Best for
Extreme individual developers running large tasks across multiple parallel projects

Quota

Product type
IDE Tools
Official product line
Kiro Subscription
5-hour limit
—
Weekly limit
—
Monthly limit
Free 50 · Pro 1,000 · Pro+ 2,000 · Pro Max 5,000 · Power 10,000 credits · resets each billing cycle · paid overage $0.04/credit

Notes

  • Credits deduct fractionally by request complexity, not one credit per message; Auto is the 1.0× baseline, Opus 2.2×, Sonnet 1.3×, Haiku 0.4×, Qwen3 Coder Next 0.05×.
  • Free includes Sonnet 4.5/4.0, Auto, and several open-weight models; all Opus variants, Sonnet 4.6, and Haiku 4.5 require Pro or above. First paid upgrade grants a one-time 1,000-credit ($20 equivalent) bonus.
  • Kiro is the official successor to Amazon Q Developer, which stopped new signups and ends 2027-04-30. Enterprise pricing is via AWS sales, separate from individual IDE subscriptions.

Supported coding tools

Kiro IDEKiro CLIVS CodeMCP

Pricing and model data sourced from official vendor websites

FAQ

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