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Nous: Hermes 4 405B Knowledge Cutoff Date
2024-08-31
Freshness Score
63

Nous: Hermes 4 405B

Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research. It introduces a hybrid reasoning mode, where the model can choose to deliberate internally with...

AI Knowledge Cutoff

The AI knowledge cutoff is a specific date when an AI model stopped learning from its training data. This means the AI cannot know about world events, news, or new technologies that happened after that fixed point in time. The Freshness Score reflects the knowledge cutoff date's relative position on a 100-point scale between 2021 and now.

Data sourced from OpenRouter API and manual data collection | Last updated: Oct 12, 2026, 3:26 AM UTC

2026 Knowledge Cutoff AI Models

Model NameKnowledge CutoffFreshness Score
Sakana: Fugu Ultra v2
2026-08-28
98
Anthropic: Claude Sonnet 5.5
2026-06-30
95
Anthropic: Claude Opus 5.5
2026-06-30
95
Anthropic: Claude Fable 5.1
2026-06-30
95
SpaceXAI: Grok 4.7
2026-05-31
94
Anthropic: Claude Opus 5
2026-05-31
94
OpenAI: GPT-6 Luna
2026-05-18
93
OpenAI: GPT-6.1 Sol
2026-04-30
92
OpenAI: GPT-6 Astra
2026-04-30
92
OpenAI: GPT-6 Sol
2026-04-20
92
Google: Gemini 3.8 Flash
2026-03-31
91
Google: Gemini 3.7 Flash
2026-03-31
91
OpenAI: GPT-5.6 Luna Pro
2026-02-16
89
OpenAI: GPT-5.6 Luna
2026-02-16
89
OpenAI: GPT-5.6 Terra Pro
2026-02-16
89
OpenAI: GPT-5.6 Terra
2026-02-16
89
OpenAI: GPT-5.6 Sol Pro
2026-02-16
89
OpenAI: GPT-5.6 Sol
2026-02-16
89
SpaceXAI: Grok 4.6
2026-02-01
88
SpaceXAI: Grok 4.5
2026-02-01
88
Anthropic: Claude Sonnet 5
2026-01-31
88
Anthropic: Claude Fable 5
2026-01-31
88
Anthropic: Claude Opus 4.8
2026-01-31
88
Anthropic: Claude Opus 4.7
2026-01-31
88

2025 Knowledge Cutoff AI Models

Model NameKnowledge CutoffFreshness Score
SpaceXAI: Grok 4.3
2025-12-31
86
OpenAI: GPT-5.5 Pro
2025-12-01
85
OpenAI: GPT-5.5
2025-12-01
85
Qwen: Qwen3 Next 80B A3B Thinking
2025-09-30
82
Qwen: Qwen3 Next 80B A3B Instruct
2025-09-30
82
SpaceXAI: Grok 4.20 Multi-Agent
2025-09-01
81
SpaceXAI: Grok 4.20
2025-09-01
81
OpenAI: GPT-5.4 Nano
2025-08-31
81
OpenAI: GPT-5.4 Mini
2025-08-31
81
DeepSeek: DeepSeek V3.2 Exp
2025-07-31
79
Qwen: Qwen3 Coder Flash
2025-06-30
78
Mistral: Mistral Medium 3.1
2025-06-30
78
Qwen: Qwen3 Coder 30B A3B Instruct
2025-06-30
78
Qwen: Qwen3 30B A3B Instruct 2507
2025-06-30
78
Qwen: Qwen3 235B A22B Thinking 2507
2025-06-30
78
Qwen: Qwen3 Coder 480B A35B
2025-06-30
78
Qwen: Qwen3 235B A22B Instruct 2507
2025-06-30
78
Anthropic: Claude Sonnet 4.6
2025-05-31
76
Anthropic: Claude Opus 4.6
2025-05-31
76
Anthropic: Claude Opus 4.5
2025-05-31
76
Qwen: Qwen3 VL 30B A3B Thinking
2025-03-31
73
Qwen: Qwen3 VL 30B A3B Instruct
2025-03-31
73
Z.ai: GLM 4.6
2025-03-31
73
Qwen: Qwen3 VL 235B A22B Instruct
2025-03-31
73
DeepSeek: DeepSeek V3.1 Terminus
2025-03-31
73
DeepSeek: DeepSeek V3.1
2025-03-31
73
Mistral: Codestral 2508
2025-03-31
73
Tencent: Hunyuan A13B Instruct
2025-03-31
73
DeepSeek: R1 0528
2025-03-31
73
Mistral: Mistral Medium 3
2025-03-31
73
Qwen: Qwen3 30B A3B
2025-03-31
73
Qwen: Qwen3 14B
2025-03-31
73
Qwen: Qwen3 32B
2025-03-31
73
Qwen: Qwen-Plus
2025-03-31
73
Anthropic: Claude Haiku 4.5
2025-02-28
72
Google: Gemini 3.6 Flash
2025-01-31
71
Google: Gemini 3.5 Flash Lite
2025-01-31
71
Google: Gemini 3.1 Flash Lite
2025-01-31
71
Google: Gemini 3.1 Flash Lite Preview
2025-01-31
71
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)
2025-01-31
71
Google: Gemini 3.1 Pro Preview Custom Tools
2025-01-31
71
Google: Gemini 3.1 Pro Preview
2025-01-31
71
Google: Gemini 3 Flash Preview
2025-01-31
71
Google: Nano Banana Pro (Gemini 3 Pro Image Preview)
2025-01-31
71
Google: Nano Banana (Gemini 2.5 Flash Image)
2025-01-31
71
Anthropic: Claude Sonnet 4.5
2025-01-31
71
Anthropic: Claude Opus 4.1
2025-01-31
71
ByteDance: UI-TARS 7B
2025-01-31
71
Google: Gemini 2.5 Flash Lite
2025-01-31
71
Google: Gemini 2.5 Flash
2025-01-31
71
Google: Gemini 2.5 Pro
2025-01-31
71
Google: Gemini 2.5 Pro Preview 06-05
2025-01-31
71
Anthropic: Claude Sonnet 4
2025-01-31
71
Reka Flash 3
2025-01-31
71
Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
2025-01-01
69
Google: Gemini 3.5 Flash
2025-01-01
69

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2024 Knowledge Cutoff AI Models

Model NameKnowledge CutoffFreshness Score
MoonshotAI: Kimi K2 0905
2024-12-31
69
Z.ai: GLM 4.5V
2024-12-31
69
Z.ai: GLM 4.5
2024-12-31
69
Z.ai: GLM 4.5 Air
2024-12-31
69
MoonshotAI: Kimi K2 0711
2024-12-31
69
Mistral Large
2024-11-30
68
Amazon: Nova Lite 1.0
2024-10-31
66
Amazon: Nova Micro 1.0
2024-10-31
66
Amazon: Nova Pro 1.0
2024-10-31
66
OpenAI: GPT-5 Pro
2024-09-30
65
OpenAI: GPT-5
2024-09-30
65
Mistral: Saba
2024-09-30
65
Nous: Hermes 4 405B
2024-08-31
63
Meta: Llama Guard 4 12B
2024-08-31
63
Meta: Llama 4 Maverick
2024-08-31
63
Meta: Llama 4 Scout
2024-08-31
63
Google: Gemma 3 4B
2024-08-31
63
Google: Gemma 3 12B
2024-08-31
63
Cohere: Command A
2024-08-31
63
Google: Gemma 3 27B
2024-08-31
63
Cohere: Command R7B (12-2024)
2024-08-31
63
DeepSeek: DeepSeek V3 0324
2024-07-31
62
DeepSeek: R1
2024-07-31
62
DeepSeek: DeepSeek V3
2024-07-31
62
OpenAI: gpt-oss-120b
2024-06-30
60
OpenAI: gpt-oss-20b
2024-06-30
60
MiniMax: MiniMax M1
2024-06-30
60
OpenAI: o3 Pro
2024-06-30
60
OpenAI: o4 Mini High
2024-06-30
60
OpenAI: o3
2024-06-30
60
OpenAI: o4 Mini
2024-06-30
60
OpenAI: GPT-4.1
2024-06-30
60
OpenAI: GPT-4.1 Mini
2024-06-30
60
OpenAI: GPT-4.1 Nano
2024-06-30
60
TheDrummer: Skyfall 36B V2
2024-06-30
60
Qwen: Qwen2.5 VL 72B Instruct
2024-06-30
60
Microsoft: Phi 4
2024-06-30
60
Qwen2.5 Coder 32B Instruct
2024-06-30
60
Magnum v4 72B
2024-06-30
60
Qwen: Qwen2.5 7B Instruct
2024-06-30
60
Qwen2.5 72B Instruct
2024-06-30
60
Google: Gemma 2 27B
2024-06-30
60
OpenAI: GPT-5 Mini
2024-05-31
59
OpenAI: GPT-5 Nano
2024-05-31
59
TheDrummer: Cydonia 24B V4.1
2024-04-30
58
Venice: Uncensored
2024-04-30
58
TheDrummer: UnslopNemo 12B
2024-04-30
58
Mistral: Mistral Nemo
2024-04-30
58
WizardLM-2 8x22B
2024-04-30
58
MiniMax: MiniMax-01
2024-03-31
56
Mistral Large 2407
2024-03-31
56
Cohere: Command R (08-2024)
2024-03-31
56
Cohere: Command R+ (08-2024)
2024-03-31
56
Mistral: Mixtral 8x22B Instruct
2024-01-31
53

2023 Knowledge Cutoff AI Models

Model NameKnowledge CutoffFreshness Score
AionLabs: Aion-RP 1.0 (8B)
2023-12-31
52
Sao10K: Llama 3.3 Euryale 70B
2023-12-31
52
Meta: Llama 3.3 70B Instruct
2023-12-31
52
Meta: Llama 3.2 1B Instruct
2023-12-31
52
Meta: Llama 3.2 3B Instruct
2023-12-31
52
Sao10K: Llama 3.1 Euryale 70B v2.2
2023-12-31
52
Nous: Hermes 3 70B Instruct
2023-12-31
52
Nous: Hermes 3 405B Instruct
2023-12-31
52
Sao10K: Llama 3 8B Lunaris
2023-12-31
52
Meta: Llama 3.1 70B Instruct
2023-12-31
52
Meta: Llama 3.1 8B Instruct
2023-12-31
52
OpenAI: GPT-4 Turbo
2023-12-31
52
Mistral: Mistral Small 3.2 24B
2023-10-31
49
OpenAI: o1-pro
2023-10-31
49
Mistral: Mistral Small 3.1 24B
2023-10-31
49
OpenAI: o3 Mini High
2023-10-31
49
OpenAI: o3 Mini
2023-10-31
49
Mistral: Mistral Small 3
2023-10-31
49
OpenAI: o1
2023-10-31
49
OpenAI: GPT-4o (2024-11-20)
2023-10-31
49
OpenAI: GPT-4o (2024-08-06)
2023-10-31
49
OpenAI: GPT-4o-mini
2023-10-31
49
OpenAI: GPT-4o-mini (2024-07-18)
2023-10-31
49
OpenAI: GPT-4o
2023-10-31
49
OpenAI: GPT-4o (2024-05-13)
2023-10-31
49
Mancer: Weaver (alpha)
2023-06-30
43
ReMM SLERP 13B
2023-06-30
43
MythoMax 13B
2023-06-30
43

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2022 Knowledge Cutoff AI Models

Model NameKnowledge CutoffFreshness Score
No results.

2021 Knowledge Cutoff AI Models

Model NameKnowledge CutoffFreshness Score
OpenAI: GPT-3.5 Turbo (older v0613)
2021-09-30
13
OpenAI: GPT-3.5 Turbo Instruct
2021-09-30
13
OpenAI: GPT-3.5 Turbo 16k
2021-09-30
13
OpenAI: GPT-3.5 Turbo
2021-09-30
13
OpenAI: GPT-4
2021-09-30
13

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