OpenAI: GPT-4o (2024-11-20)

openai/gpt-4o-2024-11-20 · OpenAINot yet established
Declared family
GPT
Evidence confidence
Unknown
Declared tokenizer tag
GPT
Entered catalogue
20 November 2024
Last tested
Not yet measured
Measurement
Awaiting measurement

Evidence stack

Signals of different kinds, weighed together
SignalResultReference
Tokenizer signatureNot measured
API surfaceIdentical contract to 3 other entriesapi_610b4004
Context and output128,000 context · 16,384 max outputdeclared
Reasoning contractNone declareddeclared
Serving providers observedNone recorded yet

Declared record

What the catalogue claims about this model

The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability. It’s also better at working with uploaded...

Modalities
text+image+file->text
Declared tokenizer
GPT
Prompt price
$2.50 / M tokens
Completion price
$10.0 / M tokens

Supported parameters

frequency_penaltylogit_biaslogprobsmax_tokenspredictionpresence_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_pweb_search_options

defaults: {}

Catalogue entry

History

Every observation, kept as taken
  • 20 November 2024Enters the OpenRouter catalogue declared as GPT.

Cite this page as the evidence record for OpenAI: GPT-4o (2024-11-20): 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.