Best LLMs for Coding in 2026

Top AI models ranked by coding benchmark performance including HumanEval.

GPT-5.3 Codex
OpenAIProprietary400K

95

avg

GPT-5.2-Codex
OpenAIProprietary400K

95

avg

GPT-5.1-Codex-Max
OpenAIProprietary400K

94

avg

4
Claude Sonnet 4.6
AnthropicProprietary1M

93

avg

5
GPT-5.4
OpenAIProprietary1M

91

avg

6
Gemini 3.1 Pro
GoogleProprietary1M

91

avg

7
Claude Opus 4.6
AnthropicProprietary1M

91

avg

8
Grok 4.1
xAIProprietary128K

91

avg

9
GPT-5.2
OpenAIProprietary400K

91

avg

10
Gemini 3 Pro Deep Think
GoogleProprietary2M

91

avg

11
Claude Opus 4.5
AnthropicProprietary200K

91

avg

12
Gemini 3 Pro
GoogleProprietary2M

91

avg

13
GPT-5.1
OpenAIProprietary400K

89

avg

14
GLM-5 (Reasoning)
Zhipu AIOpen Weight200K

88

avg

15
Claude Sonnet 4.5
AnthropicProprietary1M

87

avg

16
o1-preview
OpenAIProprietary200K

86

avg

17
Grok 4.1 Fast
xAIProprietary2M

86

avg

18
GPT-5 (high)
OpenAIProprietary128K

85

avg

19
Kimi K2.5 (Reasoning)
Moonshot AIOpen Weight128K

84

avg

20
GPT-5 (medium)
OpenAIProprietary128K

83

avg

21
Qwen3.5 397B (Reasoning)
AlibabaOpen Weight128K

83

avg

22
DeepSeek Coder 2.0
DeepSeekOpen Weight128K

82

avg

23
GPT-5 mini
OpenAIProprietary128K

80

avg

24
o3-pro
OpenAIProprietary200K

80

avg

25
GLM-5
Zhipu AIOpen Weight200K

80

avg

26
Grok 4
xAIProprietary128K

79

avg

27
DeepSeek V3.2 (Thinking)
DeepSeekOpen Weight128K

79

avg

28
o3
OpenAIProprietary200K

78

avg

29
GLM-4.7
Zhipu AIOpen Weight200K

78

avg

30
Qwen2.5-1M
AlibabaOpen Weight1M

76

avg

31
DeepSeek V3.2
DeepSeekOpen Weight128K

76

avg

32
Qwen2.5-72B
AlibabaOpen Weight128K

75

avg

33
Gemini 2.5 Pro
GoogleProprietary2M

75

avg

34
Qwen3.5 397B
AlibabaOpen Weight128K

75

avg

35
o4-mini (high)
OpenAIProprietary200K

74

avg

36
DeepSeek LLM 2.0
DeepSeekOpen Weight128K

73

avg

37
DeepSeekMath V2
DeepSeekOpen Weight128K

72

avg

38
MiMo-V2-Flash
XiaomiOpen Weight128K

71

avg

39
Kimi K2.5
Moonshot AIOpen Weight128K

69

avg

40
Claude 4.1 Opus
AnthropicProprietary200K

68

avg

41
Mistral Large 3
MistralOpen Weight128K

68

avg

42
Nemotron 3 Ultra 500B
NVIDIAOpen Weight32K

66

avg

43
Claude 4 Sonnet
AnthropicProprietary200K

65

avg

44
MiniMax M2.5
MiniMaxProprietary128K

65

avg

45
Llama 3.1 405B
MetaOpen Weight128K

62

avg

46
Gemini 3 Flash
GoogleProprietary1M

62

avg

47
Mistral Large 2
MistralProprietary128K

60

avg

48
Claude Haiku 4.5
AnthropicProprietary200K

60

avg

49
Grok Code Fast 1
xAIProprietary256K

60

avg

50
GPT-4o
OpenAIProprietary128K

58

avg

51
GLM-4.7-Flash
Zhipu AIOpen Weight200K

58

avg

52
Claude 3.5 Sonnet
AnthropicProprietary200K

57

avg

53
Nemotron 3 Super 100B
NVIDIAOpen Weight32K

57

avg

54
Gemini 1.5 Pro
GoogleProprietary2M

56

avg

55
Mistral 8x7B
MistralOpen Weight32K

55

avg

56
Gemini 3.1 Flash-Lite
GoogleProprietary1M

55

avg

57
Gemini 1.0 Pro
GoogleProprietary32K

54

avg

58
Claude 3 Opus
AnthropicProprietary200K

53

avg

59
GPT-4 Turbo
OpenAIProprietary128K

52

avg

60
Llama 3 70B
MetaOpen Weight128K

50

avg

61
Nemotron 3 Nano 30B
NVIDIAOpen Weight32K

49

avg

62
Claude 3 Haiku
AnthropicProprietary200K

48

avg

63
Nemotron-4 15B
NVIDIAOpen Weight32K

46

avg

64
Moonshot v1
Moonshot AIProprietary128K

45

avg

65
Z-1
ZProprietary128K

44

avg

66
GPT-OSS 120B
OpenAIOpen Weight128K

43

avg

67
Gemini 2.5 Flash
GoogleProprietary1M

42

avg

68
Nemotron Ultra 253B
NVIDIAOpen Weight32K

41

avg

69
Llama 4 Behemoth
MetaOpen Weight32K

40

avg

70
Llama 4 Scout
MetaOpen Weight32K

39

avg

71
Llama 4 Maverick
MetaOpen Weight32K

38

avg

72
Gemma 3 27B
GoogleOpen Weight32K

37

avg

73
DeepSeek-R1
DeepSeekOpen Weight128K

36

avg

74
Qwen2.5-VL-32B
AlibabaOpen Weight32K

35

avg

75
Grok 3 [Beta]
xAIProprietary128K

34

avg

76
Nova Pro
Nova AIProprietary128K

33

avg

77
Qwen3 235B 2507 (Reasoning)
AlibabaOpen Weight128K

32

avg

78
Qwen3 235B 2507
AlibabaOpen Weight128K

31

avg

79
Claude 4.1 Opus Thinking
AnthropicProprietary200K

30

avg

80
GLM-4.5
TsinghuaProprietary128K

29

avg

81
MiniMax M1 80k
MiniMaxProprietary80K

28

avg

82
GLM-4.5-Air
TsinghuaProprietary128K

27

avg

83
DeepSeek V3.1 (Reasoning)
DeepSeekOpen Weight128K

26

avg

84
DeepSeek V3.1
DeepSeekOpen Weight128K

25

avg

85
Kimi K2
Moonshot AIProprietary128K

24

avg

86
GPT-OSS 20B
OpenAIOpen Weight128K

23

avg

87
Mistral 7B v0.3
MistralOpen Weight32K

22

avg

88
Mistral 8x7B v0.2
MistralOpen Weight32K

21

avg

Key Takeaways

  • The top model is GPT-5.3 Codex by OpenAI with a score of 95.
  • The best open-weight model in this ranking is GLM-5 (Reasoning) at position #14.
  • 88 models are included in this ranking.