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Moonshot AI

KIMI K2.6

Open Source

Moonshot AI•Released on 2026-04-13

Moonshot AI's latest open-weight flagship released April 13, 2026. A 1T-parameter MoE with 32B active per token and 256K context. Can dynamically scale to 300 sub-agents executing 4,000 coordinated steps, supporting 12-hour coding sessions. Outperforms GPT-5.4 and Claude Opus 4.6 on several coding benchmarks while being 5-6x cheaper than Sonnet 4.6.

82
Overall Score

Core Specs

256K
Context Window
0K
Max Output
✓
Reasoning
✓
Open Source
Multimodal Support
text

Scenario Scores

Coding
#9 / 5393
Writing
#37 / 5376
Translation
#37 / 5380
Data Analysis
#24 / 5382
Conversation
#43 / 5378
Image Gen
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User Feedback Highlights

Based on community feedback. Hover to see original reviews.

+ 300 parallel sub-agents (3x K2.5)+ 5-6x cheaper than Claude Sonnet 4.6− Text only, no multimodal yet+ Open-weight from day 1− 1T params require serious GPU infrastructure to self-host+ Leads SWE-Bench Verified at 80.2%− Community data still limited (released just days ago)+ 12-hour autonomous coding sessions
Sentiment:👍 75%😐 20%👎 5%

Pros & Cons

Pros

  • +Open-weight from day 1
  • +Leads SWE-Bench Verified at 80.2%
  • +5-6x cheaper than Claude Sonnet 4.6
  • +300 parallel sub-agents (3x K2.5)
  • +12-hour autonomous coding sessions

Cons

  • −Text only, no multimodal yet
  • −1T params require serious GPU infrastructure to self-host
  • −Community data still limited (released just days ago)

Reliability

Incidents (30d)0
View Status Page →

Pricing

Input (per 1M tokens)$0.60
Output (per 1M tokens)$2.50
Free trial available
Updated on 2026-04-21

Get Started

1Visit the provider's website
2Create an account
3Start using the model

Compare with Others

KIMI K2.6 vs Claude Opus 4.7 →KIMI K2.6 vs Claude Opus 4.6 →KIMI K2.6 vs Claude Opus 4.5 →

Benchmarks

sweBenchVerified80.2%
sweBenchPro58.6%
terminalBench266.7%
deepSearchQA_F192.5%