OpenAI: GPT-3.5 Turbo

openai/gpt-3.5-turbo · OpenAINot yet established

Declared family: GPT
Evidence confidence: Unknown
Declared tokenizer tag: GPT
Entered catalogue: 28 May 2023
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 1 other entry	api_e35a478b
Context and output	16,385 context · 4,096 max output	declared
Reasoning contract	None declared	declared
Serving providers observed	None recorded yet	–

Declared record

What the catalogue claims about this model

GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.

Modalities: text->text
Declared tokenizer: GPT
Prompt price: $0.50 / M tokens
Completion price: $1.50 / M tokens

Supported parameters

frequency_penaltylogit_biaslogprobsmax_tokenspresence_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_p

defaults: {}

Catalogue entry

History

Every observation, kept as taken

28 May 2023Enters the OpenRouter catalogue declared as GPT.

Cite this page as the evidence record for OpenAI: GPT-3.5 Turbo: 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.