Best LLM for open-source
The best open-source LLM can be self-hosted, fine-tuned and run on your own infrastructure.
#1 for Open-sourcez.ai
GLM-5.3
GLM-5.3 has the highest Intelligence Index among models whose weights you can download and run yourself.
See the full breakdown1
GLM-5.3
z.ai
Input
$1.40
Output
$4.40
Context
1M
77.8
2Kimi K3
Moonshot AI
Input
$3.00
Output
$15.00
Context
1.1M
75.7
3DeepSeek V4.1 Flash
DeepSeek
Input
$0.30
Output
$1.20
Context
1M
68.6
4DeepSeek V4 Pro
DeepSeek
Input
$1.32
Output
$3.96
Context
1M
62.5
5MiniMax-M3
MiniMax
Input
$0.30
Output
$1.20
Context
1M
50.7
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