Models / Moonshot AI/ Kimi K2.6

Kimi K2.6

Moonshot AI · released Apr 14, 2026 · moonshotai/Kimi-K2.6

Input: text and images. Output: text.InputOutput
Type
Open weightsCustom licence
Params
1.1T
Context
262K

32B active per word · about 197K words of context · download allowed, licence restricts use

Our take

Written Aug 3, 2026

Kimi K2.6 is a large mixture-of-experts model from Moonshot AI that accepts text and images and handles up to 262,144 tokens in a single request. It is the strongest coder in our measured set, with a coding score well above its general chat rating, though its creative writing lags behind both.

Who should pick it

Choose this for long-context document analysis or coding tasks where its measured coding score is the strongest signal. It suits high-throughput applications through the fastest host, and budget-conscious inference through the cheapest input offers. Skip it if you need a permissive licence, if creative writing quality matters, or if you cannot tolerate the sixfold throughput gap between providers.

The case for it

  • Over one trillion total parameters with only 32 billion active per token, giving an efficient sparsity ratio of roughly 33 to one.
  • Highest coding performance in our measured set, with a coding score more than 54 points above its own general chat rating.
  • Wide provider choice with input costs varying by a third between the cheapest and most expensive hosts.
  • Exceptional throughput available from one provider at 190 tokens per second, more than three times the median across measured offers.

The case against it

  • Custom restricted licence, not commercially permissive like Apache or MIT, which limits commercial flexibility.
  • Throughput is highly inconsistent across providers, with a 6.6-fold gap between the fastest and slowest measured, and two providers not disclosing throughput at all.
  • Creative writing lags its other capabilities, with a creative writing score more than 31 points below its own general chat rating and 85 points below its coding score.
00

How good is it?

IntelligencePuzzles, maths, exam questions

3.5 of 5

Arena Text (overall)25th of 143 · 1460.7

Arena Hard Prompts 24th of 143Arena Maths 14th of 139LiveBench Reasoning 24th of 35 via ThinkingLiveBench Mathematics 27th of 35 via ThinkingLiveBench Data Analysis 30th of 35 via Thinking

CodingWriting and fixing code on its own

4 of 5

Arena Coding19th of 143 · 1514.8

Arena Code (WebDev) 20th of 74LiveBench Coding 14th of 35 via Thinking

AgenticPlanning, calling tools, staying on task

2 of 5

Arena Agent (IPS)24th of 36 · −0.011

LiveBench Agentic Coding 20th of 35 via Thinking

WritingWe do not rate this

Scored, not ratedThe placings are on the right.

Two boards come close and neither tests writing: Arena Creative Writing asks people which of two replies they prefer, and LiveBench Language tests whether a model understood a passage. So we show where Kimi K2.6 placed and give it no mark out of five.

Arena Creative Writing 32nd of 143 · 1429.5LiveBench Language 22nd of 35 · 75.1 via Thinking
Also scored, on boards we give no mark for
Arena Instruction Following 26th of 143LiveBench Instruction Following 19th of 35 via ThinkingLiveBench 25th of 35 via Thinking

These tests check whether a model follows instructions — a precondition for all the work above, but not a measure of how well that work is done, which is why they get no rating.

Every published score for this model16 scoresEvery figure we hold, from 16 boards, with who ran it and a link to the source — including the boards no rating above is built on.
LiveBenchreasoning
70.5via Thinkingindependentsource ↗
46.9via Thinkingindependentsource ↗
78.6via Thinkingindependentsource ↗
65.1via Thinkingindependentsource ↗
64.4via Thinkingindependentsource ↗
75.1via Thinkingindependentsource ↗
84.3via Thinkingindependentsource ↗
79.4via Thinkingindependentsource ↗
−0.011independentsource ↗
1514.8independentsource ↗
1484.8independentsource ↗
1479.3independentsource ↗
1460.7independentsource ↗
1509.5independentsource ↗
01

Can you run it yourself?

Fits in memory
weights load entirely on the card
Spills to system RAM
some weights offload; much slower
Too large
will not load even with offload
est
size is calculated; the verdict could change by 10%
A card many people ownToo large

GeForce RTX 4090 · 24 GB

Weights at Q4_K_M667.5 / 24 GBest
Usable contextNot calculated for spilled setups
Decode speedNot estimated for spilled setups

Too large for this card. The weights do not fit even with part of them offloaded to system memory.

One step upToo large

Apple M1 Pro (16-core GPU) · 32 GB

Weights at Q4_K_M667.5 / 32 GBest
Usable contextNot calculated for spilled setups
Decode speedNot estimated for spilled setups

Too large for this card. The weights do not fit even with part of them offloaded to system memory.

One step downToo large

Radeon RX 7900 XT · 20 GB

Weights at Q4_K_M667.5 / 20 GBest
Usable contextNot calculated for spilled setups
Decode speedNot estimated for spilled setups

Too large for this card. The weights do not fit even with part of them offloaded to system memory.

Your hardware
Checking your profile…

Memory use by level

Against a 24 GB card.

Q4_K_M
recommended
667.5 GBest
Too large
Q5_K_M
783.1 GBest
Too large
Q8_0
1169.8 GBest
Too large

All 3 sizes here are calculated, not measured. We hold no measured file for this model, so each size comes from the parameter count and every verdict above inherits that uncertainty.

Check against your own machine → · All 71 devices, with every size →

02

Or rent it from someone else

Cheapest published offer

Cheapest of 26 live listings. Picked at the widest standard context we hold, within one quantisation slice, so the numbers beside it are a price one host actually charges.

per 1M tokens
$0.80 in / $3.40 out
Context served
262K
Throughput
Not measured
Current provider offers with price, context and prompt-privacy answers
ProviderIn / out per 1M tokensContextThroughputTrains on promptsLogs promptsZero retention
Baidufp4$0.59 / $2.48262K21 tok/sNoYesunknown periodUnknown
DigitalOcean Gradient$0.76 / $3.20262K47 tok/sNoNoConfirmed
Novita AI$0.80 / $3.40262Knot measuredUnknownUnknownUnknown
ModelRunfp4$0.70 / $3.40262K111 tok/sNoNoUnknown
SiliconFlowfp8$0.77 / $3.40262K22 tok/sNoNoConfirmed
Novita AI$0.80 / $3.40262K6 tok/sNoNoConfirmed
Decartfp4$0.66 / $3.40262K114 tok/sNoNoConfirmed
Inceptronint4$0.60 / $3.41262K64 tok/sNoNoConfirmed
OpenRouter$0.60 / $3.41262Knot measuredUnknownUnknownUnknown
CoreWeavefp4$0.65 / $3.41262K229 tok/sNoNoConfirmed
Chutesint4$0.66 / $3.50262K9 tok/sNoYesunknown periodUnknown
DeepInfrafp4$0.75 / $3.50262Knot measuredUnknownUnknownUnknown
DeepInfrafp4$0.75 / $3.50262K23 tok/sNoNoConfirmed
Venice AIint4$0.75 / $3.50256K24 tok/sNoNoConfirmed
Crusoebf16$0.70 / $3.50262K68 tok/sNoNoConfirmed
Parasailint4$0.75 / $3.50262K33 tok/sNoNoConfirmed
StreamLakefp8$0.85 / $3.60256K19 tok/sNoYesunknown periodUnknown
Basetenfp4$0.95 / $4.00262K61 tok/sNoNoConfirmed
Moonshot AIint4$0.95 / $4.00262K26 tok/sNoNoConfirmed
Fireworks AI$0.95 / $4.00262K50 tok/sNoNoConfirmed
AtlasCloudint4$0.95 / $4.00262K13 tok/sNoYesunknown periodUnknown
Cloudflare Workers AI$0.95 / $4.00262K31 tok/sNoYesunknown periodUnknown
Sail Researchint4$1.00 / $4.00262K15 tok/sNoNoConfirmed
Sail Researchfp8$1.00 / $4.00262Knot measuredNoNoUnknown
Together AI$1.20 / $4.50262K109 tok/sNoNoConfirmed
Phala$1.09 / $4.60262K32 tok/sNoNoConfirmed

Across the 26 listings we hold: 23 say they do not train on prompts, 0 say they do and 3 do not say. 16 appear in the zero-retention registry we check; the rest are unknown to us rather than confirmed either way.

What each host's API supports

From the parameter list each endpoint publishes. Streaming is omitted: nothing we hold reports it, for any model.

Supported
Not supported
Not published
host gave no parameter list
API features per host
ProviderTool callingJSON outputStrict schema
Baidufp4
DigitalOcean Gradient
Novita AI
ModelRunfp4
SiliconFlowfp8
Novita AI
Decartfp4
Inceptronint4
OpenRouter
CoreWeavefp4
Chutesint4
DeepInfrafp4
DeepInfrafp4
Venice AIint4
Crusoebf16
Parasailint4
StreamLakefp8
Basetenfp4
Moonshot AIint4
Fireworks AI
AtlasCloudint4
Cloudflare Workers AI
Sail Researchint4
Sail Researchfp8
Together AI
Phala

Tool calling: 22 of 26 listings say yes, 1 says no, 3 publish no parameter list. JSON output: 21 of 26 listings say yes, 2 say no, 3 publish no parameter list. Strict schema: 23 of 26 listings say yes, 3 publish no parameter list.

03

Models people weigh against Kimi K2.6

04

When we formed this view

Dates behind this page

Aug 3, 2026Price changeChutes cut Kimi K2.6 pricing by 80%cache read −80% ($0.33 → $0.066 per 1M tokens)
Aug 2, 2026BenchmarkScored 1514.8 on Arena Codingleaderboard
Aug 2, 2026BenchmarkScored 1429.5 on Arena Creative Writingleaderboard
Aug 2, 2026BenchmarkScored 1484.8 on Arena Hard Promptsleaderboard
Aug 2, 2026BenchmarkScored 1454.2 on Arena Instruction Followingleaderboard
Aug 2, 2026BenchmarkScored 1479.3 on Arena Mathsleaderboard
Aug 2, 2026BenchmarkScored 1460.7 on Arena Text (overall)leaderboard
Aug 2, 2026BenchmarkScored 1509.5 on Arena Code (WebDev)leaderboard
Aug 1, 2026Price changeKimi K2.6 cut across 2 hosts, by up to 9% at BaiduKimi K2.6 moved on 2 hosts: Baidu: input −9% ($0.65 → $0.59 per 1M tokens); output −9% ($2.72 → $2.48 per 1M tokens); cache read −9% ($0.11 → $0.099 per 1M tokens); OpenRouter: input −37% ($0.95 → $0.60 per 1M tokens); output −15% ($4.00 → $3.41 per 1M tokens); cache read +25% ($0.16 → $0.20 per 1M tokens)
Jul 31, 2026Price changeOpenRouter raised Kimi K2.6 pricing by 47%input +47% ($0.65 → $0.95 per 1M tokens); output +47% ($2.72 → $4.00 per 1M tokens); cache read +47% ($0.11 → $0.16 per 1M tokens)

Prices last checked 12h ago

What we do not know about this model yet

  • We hold no measured file for it, so all 3 sizes on this page are calculated from the parameter count.
  • 3 of 26 listings publish no parameter list, so what their API accepts is unknown to us.
  • Nothing we hold says whether an endpoint streams, so we do not show it either way.
  • 3 of 26 listings do not say whether they train on prompts.
05

Licence and identifiers

What the licence allowsCustom licence, what it allows commercially, and the identifiers you need to pull this model — its Hugging Face repo, our slug and a machine-readable card.

Licence

Custom licence

restricted_openCustom licence — review the terms

This model ships custom license terms that don't map to a known template. We haven't parsed them, so commercial use, redistribution and derivatives are unverified — review the original terms before shipping.

Identifiers

Architecture
Mixture of experts
Modality record
text+image->text
Catalogue slug
moonshotai-kimi-k2-6

Machine-readable model card (omc.json) →

Something wrong on this page? Tell us