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MoonshotAI: Kimi K2.6

Moonshot

open_source_balanced

Capabilities

VisionToolsStructured OutputExtended ThinkingLong ContextCode

Strengths

  • 262K context window enables very long document processing
  • Strong multimodal capabilities (vision + text)
  • Open weights allow self-hosting and full data privacy
  • Extended thinking for complex reasoning tasks
  • Excellent long-horizon coding performance

Weaknesses

  • Extremely slow inference (0.03 speed score, ~33 tok/s)
  • Output pricing $2.45/M tokens is mid-range cost
  • Limited provider transparency on training data
  • Vision capability not fine-tuned as deeply as flagship vision models
  • No known sustainability certifications or green infrastructure

Pricing

Input / 1M tokens

$0.4375

Output / 1M tokens

$2.4499999999999997

Context window

262.144k

Transparency

Open weights

10.0 / 10

Open training data

0.0 / 10

Open methodology

7.0 / 10

Licence openness

9.0 / 10

Provider disclosure

6.0 / 10

FMTI company score

N/A

Composite:6.0 / 10

Kimi K2.6 ships with open weights, enabling self-hosting and full data control. Moonshot publishes model cards and some architectural details, but training data composition and full methodology remain proprietary. Open-weight status elevates privacy potential significantly.

Sustainability

Inference energy

N/A

Training footprint

N/A

Provider infrastructure

5.0 / 10

Composite:5.0 / 10

No public sustainability commitments or energy/carbon reporting from Moonshot. Large model size (likely 100B+ parameters) implies substantial inference costs. Provider infrastructure sustainability unknown.

Task Fitness

question answering
80%
code
82%
mathematics
91%
business communication
89%
vision
75%
analysis
84%
extraction
90%
long-form generation
87%
research
86%
reasoning
82%
summarisation
85%
translation
80%
conversation
88%