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Most buyers should pick Windsurf.
Choose Kiro if you want prompts turned into requirements, designs, and tasks before code, plus property-based testing. Choose Windsurf if your priority is coordinating agents across local and cloud sessions and splitting work into PR-producing subagents. Both have free plans and $20 entry paid tiers. Kiro’s team plan is $20 per seat with pooled credits; Windsurf Teams adds an $80 base fee and $40 per full dev seat. Windsurf scores higher overall in the published review, but its quota terms deserve scrutiny.
01Side by side
| Kiro | Windsurf | |
|---|---|---|
| Starting price | Pro: $20 per user/month | Pro: $20/month |
| Free plan | 50 credits/month; open-weight models and Claude Sonnet 4.5 | Light agent quota; unlimited inline edits and Tab completions |
| Best for | Turning prompts into requirements, designs, and sequenced tasks | Coordinating local or cloud agents and subagent PRs |
| Core strength | Spec-driven development and property-based testing | Agent coordination, cloud handoff, and Devin Review |
| Learning curve | Specs add a planning stage before coding | A command center manages agents in one place |
| Model access | Claude, GPT, DeepSeek, Qwen, or Auto per task | OpenAI, Claude, Gemini, SpaceXAI, and open-source models |
| Team seat costs | $20/seat; 500 pooled credits per seat/month | $80 base plus $40 per full dev seat/month |
| Support | Review support score: 5 | Review support score: 6 |
Kiro Choose Kiro if
- Choose Kiro if specs and task breakdowns should come before code.
- Choose Kiro if property-based testing matters to your workflow.
- Choose Kiro if your team wants pooled credits at $20 per seat.
Windsurf Choose Windsurf if
- Choose Windsurf if you coordinate agents across local and cloud sessions.
- Choose Windsurf if subagents opening their own PRs fits your process.
- Choose Windsurf if you need Teams admin features and priority support.
02Pricing compared
Both have a free plan and a $20 entry paid tier, but the limits work differently. Kiro Free includes 50 credits a month; Pro costs $20 per user monthly and includes 1,000 credits. Pro+ is $40 for 2,000 credits, Pro Max is $100 for 5,000, and Power is $200 for 10,000. Paid individual plans include add-on credits at $0.04 each. The first Pro upgrade also includes the rest of the month free plus 500 trial credits, according to the published pricing details.
Windsurf Pro is $20 a month, with increased quotas and extra usage billed at API pricing; the quota amount is not published here. Max is $200 monthly. Teams costs $80 monthly plus $40 per full developer seat. Kiro’s team option is $20 per seat monthly with 500 pooled credits per seat. For teams, compare the base fee and credit model—not just the entry price.
03Features and depth
Kiro’s main distinction is its specs-first workflow. It turns a prompt into requirements, architecture, and sequenced tasks before coding, and checks requirements for contradictions or gaps. It can use parallel agents locally or in the cloud, and property-based tests check rules across inputs rather than only testing selected examples. The model picker lists Claude, GPT, DeepSeek, Qwen, and Auto. A headless CLI can review pull requests and fix bugs in CI/CD.
Windsurf is positioned around coordinating agents. It manages agents locally or in the cloud through ACP, can split work into subagents that each produce a pull request, and supports moving a session between laptop and cloud while retaining context. Its Fast Context search finds relevant files and lines; Devin Review flags issues in diffs. Devin Fusion pairs a frontier lead model with a cheaper sidekick model. In short: Kiro emphasizes planning and verification before code; Windsurf emphasizes orchestration and review across agent sessions. Our review scores give both an 8 for features.
04Ease of use and learning curve
The products ask you to work in different ways. Kiro’s requirements, design, and task stages add structure before implementation; that may suit teams that want a reviewable plan, but it is an extra workflow to manage. Its published ease-of-use score is 6/10, and the review notes mixed reports about the IDE.
Windsurf centers on coordinating agents, subagents, pull requests, and local-to-cloud handoffs. That offers more moving parts than a single coding assistant, even if its command-center approach keeps them together. Its published ease score is 6.8/10. Those scores are directional review assessments, not a guarantee that either tool will feel simpler for your team. Check whether your developers prefer spec-first work or agent orchestration before switching.
Questions people ask
Which is cheaper for an individual developer?
Both start with a free plan and charge $20 monthly for the entry paid tier. Kiro Pro includes 1,000 monthly credits, while Windsurf Pro offers increased quotas that are not quantified in the published pricing details. Kiro’s add-on credits cost $0.04 each; Windsurf extra usage is billed at API pricing.
Which is better for a team?
Kiro lists a $20-per-seat monthly team plan with 500 included credits per seat pooled across the team. Windsurf Teams costs $80 per month plus $40 per full developer seat. Kiro has the lower listed seat cost; compare its pooled credits with Windsurf’s collaboration and admin features before choosing.
Does Kiro or Windsurf offer a free trial?
Both list free plans. The published Kiro pricing details also say a first Pro upgrade gets the rest of the month free plus 500 trial credits, with the credit offer noted as 12 months. Windsurf’s pricing lists no separate free trial.
What is the main difference between Kiro and Windsurf?
Kiro turns prompts into requirements, architecture, and tasks, then adds contradiction checks and property-based testing. Windsurf focuses on managing agents across local and cloud sessions, splitting work into subagents that produce pull requests. Choose based on whether planning and verification or agent coordination matters more.