Kimi K2.6 vs Kimi K2.7 Code

Moonshot AI · China  |  Moonshot AI · China · Updated June 2026

Quick verdict

Both are Moonshot AI models. Kimi K2.7 Code is the newer, generally stronger default; reach for Kimi K2.6 when its lower price or a specific cost or latency profile matters more than the latest capabilities.

Kimi K2.6 and Kimi K2.7 Code are both Moonshot AI models, so the real question is not which lab to trust but which tier fits your workload and budget. Kimi K2.6 is moonshot's open-weight 1T-parameter (32B active) MoE model — frontier-class agentic coding you can download and self-host. Kimi K2.7 Code is moonshot AI's open-weight 1T-parameter MoE model (32B active) tuned for long-horizon agentic coding, always reasoning yet ~30% more token-efficient than K2.6. Since both come from the same lab, the comparison below focuses on the tier-and-cost trade-offs that actually separate them.

Key differences at a glance

Side-by-side specs

SpecKimi K2.6Kimi K2.7 Code
ProviderMoonshot AI (China) Moonshot AI (China)
ReleasedApril 20, 2026 June 12, 2026
Context window256K (~393 pages) 256K (~393 pages)
Price (in/out)$0.6/$2.5 per 1M tokens $0.95/$4 per 1M tokens
Open weight?Yes — self-hostable Yes — self-hostable
Modalitiestext, image, video, code text, image, video, code
SWE-Bench Verified80.2% Not published
MRCR v2 @ 1MNot published Not published

Who wins what

Open-weight agentic coding and long-horizon tasks

Kimi K2.6

A core design strength of Kimi K2.6.

Multi-agent swarms (scales to ~300 sub-agents)

Kimi K2.6

A core design strength of Kimi K2.6.

Self-hosting and data-residency control

Kimi K2.6

A core design strength of Kimi K2.6.

Long-horizon agentic software engineering

Kimi K2.7 Code

A core design strength of Kimi K2.7 Code.

Token-efficient reasoning (~30% fewer than K2.6)

Kimi K2.7 Code

A core design strength of Kimi K2.7 Code.

Open-weight 1T MoE, self-hostable

Kimi K2.7 Code

A core design strength of Kimi K2.7 Code.

Lowest cost at scale

Kimi K2.6

At $0.6/$2.5 per 1M tokens, it is the cheaper of the two — the gap dominates the bill on high-volume workloads.

Which should you pick?

A cost-sensitive startup shipping high volume

Kimi K2.6

At $0.6/$2.5 per 1M tokens it undercuts Kimi K2.7 Code, and on millions of tokens that margin decides the monthly bill.

Anyone whose priority is open-weight agentic coding and long-horizon tasks

Kimi K2.6

It is specifically built for that.

Anyone whose priority is long-horizon agentic software engineering

Kimi K2.7 Code

That is its strongest area.

Kimi K2.6: where it fits

Moonshot's open-weight 1T-parameter (32B active) MoE model — frontier-class agentic coding you can download and self-host. Released April 20, 2026 by Moonshot AI, it is built for open-weight agentic coding and long-horizon tasks, multi-agent swarms (scales to ~300 sub-agents), self-hosting and data-residency control, and strong price-to-performance across many API providers.

Its trade-offs are real: 256K context trails the 1M Claude and Gemini flagships, weaker on single-turn vision and grounded multimodal tasks, and chinese-jurisdiction data and newer vendor track record. At $0.6 in / $2.5 out per million tokens, it sits in the budget price band.

Kimi K2.7 Code: where it fits

Moonshot AI's open-weight 1T-parameter MoE model (32B active) tuned for long-horizon agentic coding, always reasoning yet ~30% more token-efficient than K2.6. Released June 12, 2026 by Moonshot AI, it is built for long-horizon agentic software engineering, token-efficient reasoning (~30% fewer than K2.6), open-weight 1T MoE, self-hostable, and multi-turn tool use with preserved reasoning.

Its trade-offs: only self-reported benchmarks; no SWE-Bench Verified, and thinking mode and sampling params can't be disabled. At $0.95 in / $4 out per million tokens, it sits in the budget price band.

The bottom line for this matchup

Because Kimi K2.6 and Kimi K2.7 Code come from the same lab (Moonshot AI), they share the same training philosophy and ecosystem — the decision is purely tier vs. cost. Kimi K2.7 Code is the more capable, more recent option; the other earns its place only when its price or latency profile fits a specific job better. Most teams should default to Kimi K2.7 Code and drop down only with a concrete reason.

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See pricing

Frequently asked questions

Is Kimi K2.6 or Kimi K2.7 Code better for coding?

Public SWE-Bench figures are not available for Kimi K2.7 Code, so the honest test is your own repository — run an identical real bug through both. By design, Kimi K2.6 leans toward open-weight agentic coding and long-horizon tasks while Kimi K2.7 Code leans toward long-horizon agentic software engineering, and that positioning usually predicts which feels better on your codebase.

Which is cheaper, Kimi K2.6 or Kimi K2.7 Code?

Kimi K2.6 is cheaper — $0.6/$2.5 per 1M tokens vs $0.95/$4 per 1M tokens, roughly 1.6× apart on input.

Which has the bigger context window?

Both advertise 256K (~393 pages). Remember advertised ≠ usable: recall typically degrades before the ceiling.

Should I upgrade from Kimi K2.6 to Kimi K2.7 Code?

Since both are Moonshot AI models, the newer one (Kimi K2.7 Code) is usually the better default unless you need a specific cost or latency profile from the other.

Which is newer, Kimi K2.6 or Kimi K2.7 Code?

Kimi K2.7 Code — released June 12, 2026, about 53 days after Kimi K2.6.

Related comparisons

Specifications and benchmarks reflect publicly reported figures as of June 2026 and may change as providers release updates. Always verify on your own workload.