Kimi K3 is Moonshot AI's open-weight, always-thinking multimodal model for long-context reasoning, coding, tool use, and native image understanding. Running inside a TEE (Trusted Execution Environment), with provider attestation support.
Added Jul 31, 2026
Model weightsContext Window
1.0M
Max Output
1.0M
Input Price (Auto)
$3.15/1M
Output Price (Auto)
$15.75/1M
Cache Read (Auto)
$1.57/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Design Arena.
Best Category
3D
Best Elo
1450
Best Rank Percentile
Top 1%
Ranking Distribution
6,063 battles
60%
45%
30%
15%
0%
28.8%
First
44.2%
Second
22.9%
Third
4.0%
Fourth
Category Performance
Models Arena
3D
1450
Elo
69.1%
Win
619.3s
Avg Time
#1
Rank
Game Development
1435
Elo
65.5%
Win
776.0s
Avg Time
#1
Rank
UI Component
1384
Elo
63.1%
Win
631.2s
Avg Time
#1
Rank
Data Visualization
1374
Elo
63.5%
Win
650.1s
Avg Time
#1
Rank
Website
1369
Elo
63.1%
Win
662.9s
Avg Time
#1
Rank
SVG
1339
Elo
64.0%
Win
399.5s
Avg Time
#4
Rank
Agents Arena
Full Stack
1352
Elo
66.4%
Win
N/A
Avg Time
#2
Rank
Web Apps
1321
Elo
61.9%
Win
N/A
Avg Time
#1
Rank
Mobile Apps
1301
Elo
59.1%
Win
N/A
Avg Time
#1
Rank
Native Apps
1224
Elo
52.2%
Win
N/A
Avg Time
#12
Rank
Updated Aug 25, 2026, 10:21 AM · Matched as Kimi K3
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