Stemma Machinarum

Model · chatgpt

ChatGPT (Nov. 2022 launch model)

Developer: OpenAI
Availability: never_released · checked 2026-09-24 · source
Weights never released; API access status not tracked by this field.

Raw record: /data/models/chatgpt.json

Fields

id
chatgpt
developer
OpenAI
release_date
2022-11-30recorded · source
weights_status
closed
availability
never_released · checked 2026-09-24 · source
note:  Weights never released; API access status not tracked by this field.
license
Proprietary service; no weights released.partial · source
architecture
family
decoder_only
note
Stub specimen. OpenAI: 'fine-tuned from a model in the GPT-3.5 series', trained with RLHF, 'a sibling model to InstructGPT'. The model behind the ChatGPT product changed over time; which version produced the ShareGPT / UltraChat data is not_recorded.
n_layers
nullnot_recorded
hidden_size
nullnot_recorded
n_heads
nullnot_recorded
vocab_size
nullnot_recorded
positional_encoding
nullnot_recorded
training_data
nullnot_recorded
techniques
rlhf
primary_sources
https://web.archive.org/web/20230102000459/https://openai.com/blog/chatgpt/
record_history
date:2026-09-24 · change:created as a stub specimen to resolve vicuna/zephyr distilled_from_outputs edges · by:wilson-pruitt + claude ·
date:2026-09-24 · change:availability checked and recorded · by:wilson-pruitt + claude ·

Parents

No edges recorded.

Children

Influence without weights

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