Models/OpenAI/GPT-3.5 Turbo Instruct

GPT-3.5 Turbo Instruct

Name: GPT-3.5 Turbo Instruct API access
Brand: OpenAI

OpenAI · Proprietary · Released Sep 28, 2023 · openai/gpt-3.5-turbo-instruct

Compare Estimate cost

4K contextStructured output

Available from 1 providerUSD / 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
OpenAI1ST PARTY	$1.50	$2.00	—	4K	—	1.6s	142 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 is a variant of GPT-3.5 Turbo tuned for instructional prompts and omitting chat-related optimizations. Training data: up to Sep 2021.

Specifications

Context window4,095

Max output4,096

Modalities intext

Modalities outtext

LicenseProprietary

ReleasedSep 28, 2023

Knowledge cutoff2021-09-30

TokenizerGPT

Deprecation2026-09-28

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 Instruct](https://modelindex.ai/badge/openai/gpt-3.5-turbo-instruct)](https://modelindex.ai/models/openai/gpt-3.5-turbo-instruct)

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.