Compare Models

Kimi K3.1 Pro

Kimi K3.1 Pro is an open-weight model from Moonshot AI, released October 23, 2026. It ranks #8 of 27 models on the Vals Index with 62.52%. Its best result is #3 of 55 on Terminal-Bench 4.0.

Release Date: Oct 23, 2026

Developer Moonshot AI  🇨🇳
Context Window 1M
Max Output Tokens 1M
Token Costs (in/out) $2.00/10.00
Weights Open
Input Modalities

Accuracy

62.52 % ± 1.14

Cost / Test (Vals Index)

$ 6.440

Latency

63 min 36 s

Vals Index
BenchmarksAccuracyRankings
Vals Index

62.52%

±1.14
8/27
Vals Finance Index

56.01%

±1.48
18/31
Vals Legal Index

67.04%

±1.65
22/28
EMB v1.1

70.00%

±2.63
13/33
Finance Agent v2.1

61.49%

±2.10
15/31
Legal Research Bench

37.50%

±3.37
42/85
Tax Agent Bench

24.87%

±3.12
40/76
Vibe Code Bench v1.1

84.89%

±2.95
17/119
HLAB-Vals-1.1

11.67%

±2.63
14/28
Terminal-Bench 4.0

63.64%

±1.75
3/55
Proprietary BenchmarksAcademic BenchmarksIndustry Partners
Vals
Default Provider : Moonshot AI
Temperature: 1
Top P: 0.95
Top K: Default
Max Output Tokens: 1,048,576
Reasoning Effort: max