OpenAI: o1

openai/o1 · OpenAINot yet established

Declared family: GPT
Evidence confidence: Unknown
Declared tokenizer tag: GPT
Entered catalogue: 17 December 2024
Last tested: Not yet measured
Measurement: Awaiting measurement

Evidence stack

Signals of different kinds, weighed together

Signal	Result	Reference
Tokenizer signature	Not measured	–
API surface	Identical contract to 3 other entries	api_3da68b21
Context and output	200,000 context · 100,000 max output	declared
Reasoning contract	Optional	declared
Serving providers observed	None recorded yet	–

Declared record

What the catalogue claims about this model

The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason...

Modalities: text+image+file->text
Declared tokenizer: GPT
Prompt price: $15.0 / M tokens
Completion price: $60.0 / M tokens

Supported parameters

include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools

defaults: {"temperature":null,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}

Catalogue entry

History

Every observation, kept as taken

17 December 2024Enters the OpenRouter catalogue declared as GPT.

Cite this page as the evidence record for OpenAI: o1: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings. The raw data behind every figure is on the data page.