Kimi K3 vs Kimi K2.6

Kimi K3 from Moonshot AI and Kimi K2.6 from Moonshot AI are shown side by side so you can compare pricing, model IDs, context and output limits, modalities, tool use, release details, and benchmark results where data is available.

Overall Recommendation

Kimi K3 is the capability upgrade, with roughly 4× the context window and stronger TokenHub benchmark results. Stay on Kimi K2.6 when substantially lower token cost or its 262.1K maximum output matters more.

Comparison Highlights

Kimi K3Moonshot AI
Kimi K2.6Moonshot AI
Best For
Frontier capabilitydemanding multimodal agents
Everyday multimodal worklower costlonger outputs
How To Read ItUse-case synthesis from model capabilities and positioning.
Workload Fit
Advanced reasoningMultimodalLong-horizon agents
General useStable integrationCost control
How To Read ItThe workloads each model is most directly shaped for.
Input
$2.8571/M
$0.9286/MEdge
How To Read ItLower is better when prompts or retrieval payloads are large.
Output
$14.2857/M
$3.8571/MEdge
How To Read ItLower is better for reasoning-heavy or long-generation traffic.
Context length
1MEdge
262.1K
How To Read ItHigher is better for repositories, retrieval packs, and transcripts.
Input modalities
Text, Image
Text, Image, VideoEdge
How To Read ItBroader input support reduces the need for separate vision or video models.

Model Selection Guide

Kimi K3Moonshot AI

Choose Kimi K3 When

  • A 1M context window versus 262.1K on Kimi K2.6
  • A 57.1 Intelligence Index and 76.2 Coding Index, versus 44.2 and 61.8
  • Stronger published GPQA, HLE, SciCode, and long-context reasoning scores
Kimi K2.6Moonshot AI

Choose Kimi K2.6 When

  • $0.9286 input and $3.8571 output per million tokens
  • A 262.1K maximum output, twice Kimi K3 at 131.1K
  • The same text, image, and video input coverage at a much lower price

Basic Information

Kimi K3Moonshot AI
Kimi K2.6Moonshot AI

Name

Kimi K3Kimi K3

Model id

Kimi K3kimi-k3

Intro

Kimi K3Kimi K3 is a high-performance AI model designed for advanced reasoning, coding, and complex task execution. It delivers strong performance on large-scale programming projects, multi-step problem solving, and knowledge-intensive applications. With broad context handling and multimodal capabilities, K3 is suitable for building powerful AI agents, developer tools, and enterprise-level applications.

Author

Kimi K3Moonshot AI

Released date

Kimi K32026-07-16

Context length

Kimi K31M

Max output tokens

Kimi K3131.1K

Name

Kimi K2.6Kimi K2.6

Model id

Kimi K2.6kimi-k2.6

Intro

Kimi K2.6Kimi K2.6 is a versatile AI model that combines strong reasoning ability with efficient everyday performance. It works well for conversational AI, content generation, analysis, coding assistance, and multimodal applications. K2.6 provides a reliable balance between quality, speed, and flexibility for a wide range of production use cases.

Author

Kimi K2.6Moonshot AI

Released date

Kimi K2.62026-04-21

Context length

Kimi K2.6262.1K

Max output tokens

Kimi K2.6262.1K

Pricing

Kimi K3Moonshot AI
Kimi K2.6Moonshot AI

Input

Kimi K3$2.8571/M

Output

Kimi K3$14.2857/M

Cached input

Kimi K3$0.2857/M

Input

Kimi K2.6$0.9286/M

Output

Kimi K2.6$3.8571/M

Cached input

Kimi K2.6$0.1571/M

Capabilities

Kimi K3Moonshot AI
Kimi K2.6Moonshot AI

Reasoning

Kimi K3

Knowledge

Kimi K3n/a

Attachment

Kimi K3

Input modalities

Kimi K3Text, Image

Output modalities

Kimi K3Text

Temperature

Kimi K3

Tool use

Kimi K3

Reasoning

Kimi K2.6

Knowledge

Kimi K2.62025-01-01

Attachment

Kimi K2.6

Input modalities

Kimi K2.6Text, Image, Video

Output modalities

Kimi K2.6Text

Temperature

Kimi K2.6

Tool use

Kimi K2.6

Benchmark

Intelligence

wins

57.1

Kimi K3

34.6

Kimi K2.6

Coding

wins

76.2

Kimi K3

n/a

Kimi K2.6

Kimi K3Moonshot AI
Kimi K2.6Moonshot AI

Knowledge & Reasoning

GPQA

wins93.5%

HLE

wins44.3%

GPQA

78.8%

HLE

18.2%

Coding

SciCode

wins58.7%

Terminal-Bench Hard

n/a

SciCode

39.5%

Terminal-Bench Hard

wins37.9%

Instruction Following & Agent Tasks

IFBench

n/a

AA-LCR

wins74.7%

Tau2

n/a

IFBench

wins44.3%

AA-LCR

57.7%

Tau2

wins93.9%

FAQ

Which model is better, Kimi K3 or Kimi K2.6?+

Kimi K3 and Kimi K2.6 should be compared by workload. This page places price, context, output limits, capabilities, and benchmark data side by side. It is also relevant to: kimi k3 vs kimi k2.6, kimi k3 vs k2.6, kimi k3 comparison.

Is Kimi K2.6 cheaper than Kimi K3?+

Use the pricing rows above to compare input, output, and cached input prices for Kimi K3 and Kimi K2.6.

Which model supports a longer context length?+

Kimi K3 lists 1M context length, while Kimi K2.6 lists 262.1K.

Can I access both models through TokenHub?+

If both models are available in the TokenHub catalog, you can route requests to Kimi K3 and Kimi K2.6 through the TokenHub API.