ChatGPT Knowledge Cutoff (2026-05-18)
OpenAI's newest knowledge cutoff is , on GPT-6 Luna.
OpenAI has 34 AI models in this database. The oldest cutoff is GPT-3.5 Turbo 16k on .
Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC
2026 Knowledge Cutoff AI Models
| Model Name | Knowledge Cutoff | Freshness Score | |
|---|---|---|---|
2026-05-18 | 92 | ||
2026-04-30 | 91 | ||
2026-04-30 | 91 | ||
2026-04-20 | 91 | ||
2026-02-16 | 88 | ||
2026-02-16 | 88 | ||
2026-02-16 | 88 | ||
2026-02-16 | 88 | ||
2026-02-16 | 88 | ||
2026-02-16 | 88 |
2025 Knowledge Cutoff AI Models
| Model Name | Knowledge Cutoff | Freshness Score | |
|---|---|---|---|
2025-12-01 | 84 | ||
2025-12-01 | 84 | ||
2025-08-31 | 80 | ||
2025-08-31 | 80 |
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2024 Knowledge Cutoff AI Models
| Model Name | Knowledge Cutoff | Freshness Score | |
|---|---|---|---|
2024-09-30 | 64 | ||
2024-09-30 | 64 | ||
2024-06-30 | 60 | ||
2024-06-30 | 60 | ||
2024-06-30 | 60 | ||
2024-06-30 | 60 | ||
2024-06-30 | 60 | ||
2024-06-30 | 60 | ||
2024-06-30 | 60 | ||
2024-05-31 | 58 | ||
2024-05-31 | 58 |
2023 Knowledge Cutoff AI Models
| Model Name | Knowledge Cutoff | Freshness Score | |
|---|---|---|---|
2023-10-31 | 48 | ||
2023-10-31 | 48 | ||
2023-10-31 | 48 | ||
2023-10-31 | 48 | ||
2023-10-31 | 48 | ||
2023-10-31 | 48 |
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2021 Knowledge Cutoff AI Models
| Model Name | Knowledge Cutoff | Freshness Score | |
|---|---|---|---|
2021-09-30 | 13 | ||
2021-09-30 | 13 | ||
2021-09-30 | 13 |
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Frequently asked questions
What is the ChatGPT knowledge cutoff?
OpenAI's newest knowledge cutoff is 2026-05-18, on GPT-6 Luna.
Which OpenAI model has the newest knowledge cutoff?
GPT-6 Luna has OpenAI's newest knowledge cutoff, 2026-05-18.