GPQA DiamondVerified
90.5%
GPQA Diamond accuracy (open-source leader)
Models / Moonshot
Kimi K2.6
Kimi · Released 2026-04-20
Moonshot's April 2026 open-weights flagship. Leads the open-source field on GPQA Diamond at 90.5%. 256K context, $0.60 / $2.50 per 1M tokens.
Default open-weights model from a Chinese provider for English-language work. The strongest open-source model on GPQA Diamond (90.5%) and Vals (55.55%) as of June 2026.
Composite60
Context256K
Input / 1M$0.60
Output / 1M$2.5
Knowledge cutoff2026-02-15
Output speed43 t/s
Statusflagship
Family profile
Best published score in each covered benchmark family.
66/100 avg
- Reasoning
- 91
- Math
- 39
- Coding
- 52
- Long context
- 81
4 tested benchmark families
Editor's note
Kimi K2.6 is the strongest open-weights model we have on the public ledger, and the only open-source model on the Vals top 10. If you need to self-host a frontier-tier model and English-language support matters, this is the one.Benchmark placements
Per-benchmark positions
Where Kimi K2.6 places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.
| Benchmark | Family | Rank | Score | Source | Date |
|---|---|---|---|---|---|
| FrontierMath | Math | #11/ 15 | 39 | Epoch AI FrontierMath Tiers 1-3 (v2) CSV | 2026-08-15 |
| AA-LCR | Long context | #31/ 184 | 81 | Artificial Analysis | 2026-09-28 |
| GPQA Diamond | Reasoning | #40/ 184 | 91 | GPQA Diamond paper leaderboard | 2026-05-15 |
| SciCode | Coding | #40/ 97 | 52 | Artificial Analysis | 2026-09-28 |
| Humanity's Last Exam | Reasoning | #54/ 186 | 38 | Artificial Analysis | 2026-09-28 |
| AA output speed | Performance | #130/ 195 | Artificial Analysis | 2026-10-12 |
Family context
Strongest rows in each family
The three highest-scoring models with pages in each capability family. Where Kimi K2.6 shows up, it's highlighted.
ReasoningKimi K2.6 · 91
- 196
- 295
- 395
MathKimi K2.6 · 39
- 152
- 252
- 350
CodingKimi K2.6 · 52
- 174
- 273
- 370
Long contextKimi K2.6 · 81
- 189
- 286
- 385
Newest receipts
5 recentLast 120 days
Benchmark rows added to the public ledger for Kimi K2.6 in the last 120 days. Older rows live in the full table below.
| Benchmark | Family | Score | Source | Days ago |
|---|---|---|---|---|
| AA output speed | Performance | 43 t/s | Artificial Analysis | 10 |
| AA-LCR | Long context | 81% | Artificial Analysis | 24 |
| Humanity's Last Exam | Reasoning | 37.5% | Artificial Analysis | 24 |
| SciCode | Coding | 51.5% | Artificial Analysis | 24 |
| FrontierMath | Math | 38.97% | Epoch AI FrontierMath Tiers 1-3 (v2) CSV | 68 |
Family coverage
Best score per family
A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.
Price vs. performance
Where Kimi K2.6 sits on the scatter
Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.
AnthropicOpenAIGoogleAlibabaMetaZhipuxAIDeepSeekMiniMaxXiaomiMoonshotOtherMeituanMistralNVIDIACohere
Full benchmark ledger
Every catalog benchmark for Kimi K2.6. Scores link to the original source; gaps mean no public row exists yet.
6 of 13 catalog benchmarks have a sourced row for Kimi K2.6.
Reasoning
Humanity's Last ExamVerified
37.5%
HLE (AA run)
Math
FrontierMathVerified
38.97%
FrontierMath Tiers 1-3 (v2) best Epoch run
Coding
SciCodeVerified
51.5%
SciCode (AA run)
Long context
AA-LCRVerified
81%
AA-LCR (AA run)
Performance
AA output speedVerified
43 t/s
Median output tokens/s (1k prompt, default provider)
Changelog
Version history
- Released Kimi K2.6 — Vals #5 at 55.55%, GPQA Diamond 90.5% (open-source leader).
Sources
Where the numbers come from
- Kimi K2.6 model card· checked 2026-06-01
- Moonshot API pricing· checked 2026-06-01
Questions this model page answers
Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.
What is Kimi K2.6?
Kimi K2.6 is a Moonshot model: Moonshot's April 2026 open-weights flagship. Leads the open-source field on GPQA Diamond at 90.5%. 256K context, $0.60 / $2.50 per 1M tokens.
What is Kimi K2.6 for?
Default open-weights model from a Chinese provider for English-language work. The strongest open-source model on GPQA Diamond (90.5%) and Vals (55.55%) as of June 2026.
What does Kimi K2.6 cost?
Kimi K2.6 lists $0.60 input and $2.5 output per 1M tokens. Pricing last checked 2026-06-01.
How large is the Kimi K2.6 context window?
Kimi K2.6 publishes a 256K token context window.
What is the VerdictPal status of Kimi K2.6?
Kimi K2.6 carries Flagship status on the model atlas.
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