Kimi K2.6 (Moonshot)
Free tier available
- Self-hosted (Free)$0
- API (Moonshot direct, K2.6)$0.60/per 1M input tokens
- API (OpenRouter, K2.6 blended)~$0.95/per 1M input tokens
Our pickA
8.1/10Kimi K2.6 (Moonshot)
VS
B
7.5/10Windsurf
Cognition hosted models + Claude / GPT / Gemini (user selects) + Devin cloud agent
Kimi K2.6 (Moonshot) vs Windsurf
Tier-list head-to-head. Kimi K2.6 (Moonshot) takes the A-tier slot — here's the breakdown.
Last reviewed May 19, 2026· sweep-fresh
Spec sheet
At a glance
| Kimi K2.6 (Moonshot) | Windsurf | |
|---|---|---|
| Tier | A-tierwin | B-tier |
| Overall score | 8.1 / 10win | 7.5 / 10 |
| Powered by | — | Cognition hosted models + Claude / GPT / Gemini (user selects) + Devin cloud agent |
| Free tier | Yes | Yes |
| Starting price | $0 | $0 |
| Best for | Agentic coding workflows, tool-use agents, and teams willing to pay hosted-API prices for frontier-tier qua… | Developers who want agent-first coding (background + inline) inside a familiar VS Code-based editor, and wh… |
| Last reviewed | 2026-05-13 | 2026-05-19 |
Head-to-head
Score showdown
Rated 1-10 on the same rubric across all 130 tools we cover.
Ease of use+2.0 Windsurf
Kimi K2.6 (Moonshot)
6.0
Windsurf
8.0
Output quality+2.0 Kimi K2.6 (Moonshot)
Kimi K2.6 (Moonshot)
9.0
Windsurf
7.0
Value+0.5 Kimi K2.6 (Moonshot)
Kimi K2.6 (Moonshot)
8.5
Windsurf
8.0
Features+2.0 Kimi K2.6 (Moonshot)
Kimi K2.6 (Moonshot)
9.0
Windsurf
7.0
Overall+0.6 Kimi K2.6 (Moonshot)
Kimi K2.6 (Moonshot)
8.1
Windsurf
7.5
What you'll pay
Pricing snapshot
Look past the headline number -- entry-tier limits drive most cost surprises.
Windsurf
Free tier available
- Free$0
- Pro$20/month (raised from $15 in March 2026)
- Team$30/mo
Benchmark Head-to-Head
Kimi K2.6 (1T/32B active MoE) -- Artificial Analysis Intelligence Index v4.0 score 54 (#1 open-weights, #4 overall as of 2026-04-27). MMLU/GPQA/AIME shown below are K2.5-baseline numbers retained until K2.6-specific third-party runs publish benchmarks — Windsurf has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| SWE-Bench Pro | 58.6% | |
| MMLU-Pro (K2.5 baseline) | 84.8% | |
| GPQA Diamond (K2.5 baseline) | 80.5% | |
| AIME 2025 (K2.5 baseline) | 91.2% | |
| LiveCodeBench (K2.5 baseline) | 74.1% |
The decision
Which should you pick?
Use-case anchors and category strengths, side by side.
Pick Kimi K2.6 (Moonshot)if…
A
8.1/10- ✓Higher output quality (9.0 vs 7.0) where polish matters more than speed
- ✓More feature surface area for power users who'll use the depth
- ✓Agentic coding workflows, tool-use agents, and teams willing to pay hosted-API prices for frontier-tier quality with open-weights licensing protection.
Agentic coding workflows, tool-use agents, and teams willing to pay hosted-API prices for frontier-tier quality with open-weights licensing protection.
Visit Kimi K2.6 (Moonshot)Pick Windsurfif…
B
7.5/10- ✓Easier to learn and use day-to-day -- friendlier onboarding curve
- ✓Developers who want agent-first coding (background + inline) inside a familiar VS Code-based editor, and who value Cognition's Devin integration as a core part of the workflow.
- ✓The April 2026 redesign makes Windsurf 2.
Developers who want agent-first coding (background + inline) inside a familiar VS Code-based editor, and who value Cognition's Devin integration as a core part of the workflow. The April 2026 redesign makes Windsurf 2.0 a direct alternative to Cursor 3 for this use case.
Visit WindsurfBottom line
The verdict
Kimi K2.6 (Moonshot) edges out Windsurf by 0.6 points (8.1 vs 7.5) -- a A-tier vs B-tier split that's narrow but real. Not a blowout; both belong on a shortlist. The score gap shows up most clearly in the categories that matter for Kimi K2.6 (Moonshot)'s strengths, so if those categories are your priority, the lead translates.
Pricing-wise, both tools have a free tier (Kimi K2.6 (Moonshot) starts $0, Windsurf starts $0), so you can test either without committing. Compare what each free tier actually unlocks -- usage caps, model access, and feature gates differ a lot more than the headline price suggests, especially as both vendors have tightened limits in 2026.
By use case: pick Kimi K2.6 (Moonshot) when agentic coding workflows, tool-use agents, and teams willing to pay hosted-api prices for frontier-tier quality with open-weights licensing protection. Pick Windsurf when developers who want agent-first coding (background + inline) inside a familiar vs code-based editor, and who value cognition's devin integration as a core part of the workflow. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in Kimi K2.6 (Moonshot)'s lane, the tier-list ranking and the use-case fit point the same direction; if you're in Windsurf's lane, the score gap matters less than the fit.
Bottom line: Kimi K2.6 (Moonshot) is the safer default for most readers, but Windsurf is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Compare more & explore
Full Kimi K2.6 (Moonshot) review
Tier A · 8.1/10
Full Windsurf review
Tier B · 7.5/10
Kimi K2.6 (Moonshot) alternatives
Other tools in this lane
Windsurf alternatives
Other tools in this lane
Compare Kimi K2.6 (Moonshot) vs:Nano Banana 2 (Gemini 3.1 Flash Image)Muse Spark (Meta)Qwen (Alibaba)Seedance 2.0
Built from our daily AI-tool sweep, last touched May 19, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.