Models/OpenAI/GPT-3.5 Turbo 16k

GPT-3.5 Turbo 16k

Name: GPT-3.5 Turbo 16k API access
Brand: OpenAI

OpenAI · Proprietary · Released Aug 28, 2023 · openai/gpt-3.5-turbo-16k

Compare Estimate cost

16K contextToolsStructured output

Available from 2 providersUSD / MTOK · VERIFIED 4 MINUTES AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
Azure	$3.00	$4.00	—	16K	—	0.68s	91 tok/s	99.8%
OpenAI1ST PARTY	$3.00	$4.00	—	16K	—	0.69s	143 tok/s	100.0%

TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 44 hours ago

About

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...

Specifications

Context window16,385

Max output4,096

Modalities intext

Modalities outtext

LicenseProprietary

ReleasedAug 28, 2023

Knowledge cutoff2021-09-30

TokenizerGPT

Deprecation2026-10-23

GPT-5.6 Luna Pro$0.10 / $0.60 GPT-5.6 Luna$0.10 / $0.60 GPT-5.6 Terra Pro$1.00 / $6.00 GPT-5.6 Terra$1.00 / $6.00

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[![GPT-3.5 Turbo 16k](https://modelindex.ai/badge/openai/gpt-3.5-turbo-16k)](https://modelindex.ai/models/openai/gpt-3.5-turbo-16k)

Sources

OpenRouter API4 minutes ago

AGGREGATOR

LiteLLM dataset4 minutes ago

AGGREGATOR

ModelIndex benchmarks44 hours ago

MEASURED

Verified 4 minutes ago · list prices, not negotiated rates.