Best Open Source LLMs in 2026

Top open weight AI models you can download and run locally, ranked by benchmark performance.

GLM-5 (Reasoning)
Zhipu AIOpen Weight200K

75

overall

Kimi K2.5 (Reasoning)
Moonshot AIOpen Weight128K

71

overall

Qwen3.5 397B (Reasoning)
AlibabaOpen Weight128K

70

overall

4
DeepSeek V3.2 (Thinking)
DeepSeekOpen Weight128K

69

overall

5
GLM-5
Zhipu AIOpen Weight200K

68

overall

6
GLM-4.7
Zhipu AIOpen Weight200K

67

overall

7
Qwen2.5-1M
AlibabaOpen Weight1M

66

overall

8
DeepSeek V3.2
DeepSeekOpen Weight128K

66

overall

9
Qwen2.5-72B
AlibabaOpen Weight128K

65

overall

10
Qwen3.5 397B
AlibabaOpen Weight128K

65

overall

11
DeepSeek Coder 2.0
DeepSeekOpen Weight128K

64

overall

12
DeepSeekMath V2
DeepSeekOpen Weight128K

64

overall

13
DeepSeek LLM 2.0
DeepSeekOpen Weight128K

63

overall

14
MiMo-V2-Flash
XiaomiOpen Weight128K

63

overall

15
Kimi K2.5
Moonshot AIOpen Weight128K

62

overall

16
Mistral Large 3
MistralOpen Weight128K

61

overall

17
Nemotron 3 Ultra 500B
NVIDIAOpen Weight32K

60

overall

18
Llama 3.1 405B
MetaOpen Weight128K

58

overall

19
GLM-4.7-Flash
Zhipu AIOpen Weight200K

56

overall

20
Nemotron 3 Super 100B
NVIDIAOpen Weight32K

55

overall

21
Mistral 8x7B
MistralOpen Weight32K

52

overall

22
Llama 3 70B
MetaOpen Weight128K

48

overall

23
Nemotron 3 Nano 30B
NVIDIAOpen Weight32K

47

overall

24
Nemotron-4 15B
NVIDIAOpen Weight32K

45

overall

25
GPT-OSS 120B
OpenAIOpen Weight128K

42

overall

26
Nemotron Ultra 253B
NVIDIAOpen Weight32K

40

overall

27
Llama 4 Behemoth
MetaOpen Weight32K

39

overall

28
Llama 4 Scout
MetaOpen Weight32K

38

overall

29
Llama 4 Maverick
MetaOpen Weight32K

37

overall

30
Gemma 3 27B
GoogleOpen Weight32K

36

overall

31
DeepSeek-R1
DeepSeekOpen Weight128K

35

overall

32
Qwen2.5-VL-32B
AlibabaOpen Weight32K

34

overall

33
Qwen3 235B 2507 (Reasoning)
AlibabaOpen Weight128K

31

overall

34
Qwen3 235B 2507
AlibabaOpen Weight128K

30

overall

35
DeepSeek V3.1 (Reasoning)
DeepSeekOpen Weight128K

25

overall

36
DeepSeek V3.1
DeepSeekOpen Weight128K

24

overall

37
GPT-OSS 20B
OpenAIOpen Weight128K

22

overall

38
Mistral 7B v0.3
MistralOpen Weight32K

21

overall

39
Mistral 8x7B v0.2
MistralOpen Weight32K

20

overall

Key Takeaways

  • The top model is GLM-5 (Reasoning) by Zhipu AI with a score of 75.
  • The best open-weight model in this ranking is GLM-5 (Reasoning) at position #1.
  • 39 models are included in this ranking.