Kimi K2.8 Preview released
Sep 11, 2026
The K2.8 Preview brought a 1M-token context window across all Kimi Code tiers, two months after Kimi K3 landed (16 Jul 2026).
Source: llm-stats model card
AI Lab
Moonshot AI
Long-context, agentic-coding open models (Kimi)
| Founded | 2023 |
| Headquarters | Beijing, China |
| Founders | Yang Zhilin, Zhou Xinyu, Wu Yuxin |
| Focus | Long-context, agentic-coding open models (Kimi) |
| Official site | https://www.moonshot.ai |
| Data verified | Oct 14, 2026 |
68.3Club Score (#7)
Kimi K2.6Best model (70)
3Models tracked (squad)
Kimi K2.6Cheapest capable ($1.71/1M blended)
Kimi K3Latest release (Jul 16, 2026)
100%Open-weight share (Fully open)
Models & league positions
| Model | Score | Overall | Coding | Reasoning | Value | Open-Wt | Context | $/1M in | $/1M out | Released |
|---|---|---|---|---|---|---|---|---|---|---|
| Kimi K2.6 | 70 | #15 | #3 | #12 | #8 | #2 | 262.1K | $0.95 | $4.00 | Apr 20, 2026 |
| Kimi K3 | 63 | #21 | — | #6 | #22 | #4 | 1M | $3.00 | $15.00 | Jul 16, 2026 |
| Kimi K2.7 Code | — | — | — | — | — | — | 262.1K | $0.95 | $4.00 | Jun 12, 2026 |
Latest releases
- Sep 11, 2026: Moonshot — Kimi K2.8 Preview released — The K2.8 Preview brought a 1M-token context window across all Kimi Code tiers, two months after Kimi K3 landed (16 Jul 2026). Research
- Jul 16, 2026: Kimi K3 — Released — 1M context, $3.00/$15.00 per 1M, League Score 63. Model release
- Jun 12, 2026: Kimi K2.7 Code — Released — 262.1K context, $0.95/$4.00 per 1M. Model release
- Apr 20, 2026: Kimi K2.6 — Released — 262.1K context, $0.95/$4.00 per 1M, League Score 70. Model release
Research highlights
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