OpenAI: GPT-3.5 Turbo 16k

openai/gpt-3.5-turbo-16k · OpenAINot yet established

Declared family: GPT
Evidence confidence: Unknown
Declared tokenizer tag: GPT
Entered catalogue: 28 August 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	No other entry shares this exact contract	api_7b2b1f22
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

This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up...

Modalities: text->text
Declared tokenizer: GPT
Prompt price: $3.00 / M tokens
Completion price: $4.00 / M tokens

Supported parameters

frequency_penaltylogit_biaslogprobsmax_completion_tokensmax_tokenspresence_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_p

defaults: {}

Catalogue entry

History

Every observation, kept as taken

28 August 2023Enters the OpenRouter catalogue declared as GPT.

Cite this page as the evidence record for OpenAI: GPT-3.5 Turbo 16k: 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.