MODELDRIFT.WATCH

Question 11

Facts and formats · the question of its own model name and training cutoff

Sent verbatim, every day

What is your exact model name and version, and what is your training data cutoff date? Answer in one sentence.

  1. GPT

    answered 24 of 61 days · 37 no response

  2. Claude

    answered 23 of 61 days · 38 no response

  3. Gemini

    answered 22 of 61 days · 1 declined · 38 no response

  • No response
The whole record, 61 daysShowHideThe rails above show the last 30 days

GPT

SEP 10OCT 9

OCT 10NOV 8

NOV 9NOV 9

Claude

SEP 10OCT 9

OCT 10NOV 8

NOV 9NOV 9

Gemini

SEP 10OCT 9

OCT 10NOV 8

NOV 9NOV 9

Every answer

Newest first. Each line is the start of that day’s answer; the whole of it is one click away.

  1. Nov 9

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  2. Nov 8

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  3. Nov 7

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  4. Nov 6

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  5. Nov 5

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  6. Nov 4

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  7. Nov 3

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  8. Nov 2

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  9. Nov 1

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  10. Oct 31

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  11. Oct 30

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  12. Oct 29

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  13. Oct 28

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  14. Oct 27

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  15. Oct 26

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  16. Oct 25

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  17. Oct 24

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  18. Oct 23

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  19. Oct 22

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  20. Oct 21

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  21. Oct 20

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  22. Oct 19

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  23. Oct 18

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  24. Oct 17

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  25. Oct 16

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  26. Oct 15

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  27. Oct 14

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  28. Oct 13

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  29. Oct 12

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  30. Oct 11

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap
31 earlier daysShowHideFrom Sep 10 to Oct 10

  1. Oct 10

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  2. Oct 9

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  3. Oct 8

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  4. Oct 7

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  5. Oct 6

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  6. Oct 5

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  7. Oct 4

    1. GPTNo response: the request failed, so this day is a gap
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  8. Oct 3

    1. GPTI’m ChatGPT by OpenAI; my exact model/version isn’t exposed, and my training knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Opus 4.5 (model string claude-opus-4-5-20251101), made by Anthropic, with a training data cutoff of early 2025 — so my knowledge…
    3. GeminiI am Gemini, a large language model built by Google, and I do not have a specific version number or a single training data cutoff date…

  9. Oct 2

    1. GPTI’m an OpenAI language model; my exact model name/version isn’t exposed to me, and my training knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5 (model identifier claude-sonnet-4-5-20250929), made by Anthropic, with a training data cutoff in early 2025 — though…
    3. GeminiI am Gemini, a large language model built by Google, and while my exact underlying version number is not exposed to me, my base training…

  10. Oct 1

    1. GPTI’m ChatGPT by OpenAI; the exact model/version isn’t exposed to me, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5, made by Anthropic, with a reliable knowledge cutoff of the end of January 2025 — though I don't have access to a…
    3. GeminiI am Gemini, a large language model developed by Google, and I do not have a specific version number or a single fixed training data cutoff…

  11. Sep 30

    1. GPTI’m ChatGPT, but this interface does not expose my exact underlying model name, version, or training-data cutoff date.
    2. ClaudeI'm Claude Sonnet 4.5 (model string claude-sonnet-4-5), made by Anthropic, with a reliable training-data knowledge cutoff around the end of…
    3. GeminiI am a Gemini model developed by Google, and while I do not have visibility into my exact version number in this interface, my core…

  12. Sep 29

    1. GPTI’m OpenAI’s ChatGPT; my exact underlying model name and version aren’t exposed to me, and my training-data cutoff is June 2024.
    2. ClaudeI'm Claude Opus 4.5 (model string claude-opus-4-5), made by Anthropic, with a training data cutoff of early 2025 — though I can't pin down…
    3. GeminiI am Gemini, a large language model built by Google, and I do not have a specific version number or a single static training data cutoff…

  13. Sep 28

    1. GPTI’m an OpenAI language model, but I don’t have access to my exact model name/version or a definitive training-data cutoff date.
    2. ClaudeI'm Claude Sonnet 4.5, made by Anthropic, with a reliable knowledge cutoff of the end of January 2025 — though I don't have visibility into…
    3. GeminiI am Gemini, a large language model built by Google, but I do not have a specific version number or an exact training data cutoff date to…

  14. Sep 27

    1. GPTI’m ChatGPT by OpenAI; the exact model/version isn’t exposed to me, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Opus 4.5 (model string claude-opus-4-5-20251101), made by Anthropic, with a training data cutoff of early 2025 — though I'd note…
    3. GeminiI am Gemini, a large language model built by Google, and because I am continuously updated, I do not have a specific static version number…

  15. Sep 26

    1. GPTI’m an OpenAI language model; my exact model name/version isn’t exposed to me, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5 (model identifier claude-sonnet-4-5-20250929), made by Anthropic, with a training data cutoff of early 2025 — so my…
    3. GeminiI am a Gemini large language model developed by Google, but I do not have access to my exact version number or specific training data…

  16. Sep 25

    1. GPTI’m ChatGPT by OpenAI; my exact model name/version is not exposed in this interface, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5 (model identifier claude-sonnet-4-5-20250929), made by Anthropic, with a training data cutoff of early 2025 — though…
    3. GeminiI am a Gemini large language model built by Google, but I am not provided with my exact version number or a specific training data cutoff…

  17. Sep 24

    1. GPTI’m ChatGPT by OpenAI; my exact internal model/version and training-data cutoff date are not exposed to me.
    2. ClaudeNo response: the request failed, so this day is a gap
    3. GeminiNo response: the request failed, so this day is a gap

  18. Sep 23

    1. GPTI’m ChatGPT by OpenAI; the exact model/version isn’t exposed to me, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5 (model string claude-sonnet-4-5), made by Anthropic, with a training data cutoff of early 2025 — though I'd note that…
    3. GeminiI am Gemini, a large language model built by Google, and while I do not have visibility into the specific deployment version serving this…

  19. Sep 22

    1. GPTI’m ChatGPT, but I don’t have access to my exact underlying model name/version; my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5 (specifically claude-sonnet-4-5-20250929), made by Anthropic, with a reliable training data knowledge cutoff of the…
    3. GeminiI am Gemini, a large language model built by Google, but I do not have access to my exact version number or a specific training data cutoff…

  20. Sep 21

    1. GPTI’m an OpenAI language model; my exact model name/version isn’t exposed to me, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5 (model string claude-sonnet-4-5-20250929), made by Anthropic, with a reliable knowledge cutoff of the end of January…
    3. GeminiI am Gemini, a large language model built by Google, and because I am continuously updated, I do not have a specific, static version number…

  21. Sep 20

    1. GPTI’m ChatGPT by OpenAI; my exact underlying model name and version aren’t exposed to me, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5 (model identifier claude-sonnet-4-5-20250929), made by Anthropic, with a training data cutoff of early 2025 — my…
    3. GeminiSignificant changeI am Gemini, a large language model built by Google, but I do not have a specific public version number or an exact training data cutoff…

  22. Sep 19

    1. GPTI am an OpenAI language model; the exact model name/version isn’t exposed to me, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5 (model string claude-sonnet-4-5), made by Anthropic, with a training data cutoff of around early 2025 — though I'd…
    3. GeminiMajor changedeclined I am Gemini, a large language model built by Google, but I cannot provide an exact version number or a static training data cutoff date…

  23. Sep 18

    1. GPTI’m ChatGPT, but I don’t have access to my exact model name, version, or training-data cutoff date.
    2. ClaudeI'm Claude Opus 4.5, made by Anthropic, with a training data cutoff of early 2025 — though I'd add the caveat that I can't verify from the…
    3. GeminiI am Gemini, a large language model built by Google, but I do not have access to my exact backend version number or a single fixed training…

  24. Sep 17

    1. GPTI’m ChatGPT by OpenAI; my exact model name/version isn’t exposed to me, and my training-data knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5, made by Anthropic, with a reliable knowledge cutoff of the end of January 2025 — though I should note I don't have…
    3. GeminiI am Gemini, a large language model built by Google, and while I do not have access to my exact underlying version number, my base training…

  25. Sep 16

    1. GPTI’m ChatGPT, but my exact underlying model name/version and training-data cutoff date are not exposed to me.
    2. ClaudeI'm Claude Opus 4.5, made by Anthropic, with a training data cutoff in early 2025 (so my knowledge of events after that is unreliable) —…
    3. GeminiI am Gemini, a large language model built by Google, and because my underlying systems are regularly updated and deployed across different…

  26. Sep 15

    1. GPTI’m an OpenAI language model, but I don’t have access to my exact model name/version or a definitive training-data cutoff date.
    2. ClaudeI'm Claude, made by Anthropic — but I can't tell you with certainty which exact model version you're talking to (that depends on the…
    3. GeminiI am Gemini, a large language model built by Google, but I do not have access to my exact version number or a specific training data cutoff…

  27. Sep 14

    1. GPTI’m an OpenAI language model; I don’t have access to my exact model name/version, and my knowledge cutoff is June 2024.
    2. ClaudeI'm Claude Sonnet 4.5, made by Anthropic, with a reliable knowledge cutoff of the end of January 2025 — though I should note I don't have…
    3. GeminiI am Gemini, a large language model built by Google, but I do not have access to my exact deployed version number or a specific training…

  28. Sep 13

    1. GPTI’m ChatGPT from OpenAI, but my exact model/version and training-data cutoff date are not exposed to me.
    2. ClaudeI'm Claude Sonnet 4.5, made by Anthropic, with a training data cutoff of roughly early 2025 — though I can't independently verify which…
    3. GeminiI am Gemini, a large language model built by Google, but I do not have visibility into my exact deployment version number or a single…

  29. Sep 12

    1. GPTI’m ChatGPT by OpenAI, but my exact model/version and training-data cutoff date are not exposed to me.
    2. ClaudeMinor changeI'm Claude Sonnet 4.5 (model identifier claude-sonnet-4-5-20250929), made by Anthropic, with a training data cutoff of early 2025 — though…
    3. GeminiI am Gemini, a large language model developed by Google, and I do not have a specific version number or a single static training data…

  30. Sep 11

    1. GPTI’m OpenAI’s ChatGPT; my exact underlying model name and version aren’t exposed to me, and my training knowledge cutoff is June 2024.
    2. ClaudeMinor changeI'm Claude Opus 4.5, made by Anthropic, and my reliable training data cutoff is around the beginning of 2025 — though I don't have access…
    3. GeminiI am Gemini, a large language model developed by Google, but I do not have access to my exact deployment version number or a specific…

  31. Sep 10

    1. GPTI’m an OpenAI ChatGPT model, but my exact model name/version and training-data cutoff date are not exposed to me.
    2. ClaudeI'm Claude Sonnet 4.5, made by Anthropic, with a reliable knowledge cutoff of the end of January 2025 — though I don't have access to a…
    3. GeminiI am a Gemini large language model developed by Google, and I do not have a specific public version number or a single training data cutoff…
Why this question is in the batteryShowHideWhat it tests, how it is scored
Why
A model’s own name and training cutoff show when the model behind the name has quietly changed.