Model Price Index
Updated 2026-07-14 · Changelog

GPT-3.5 Turbo Instruct

OpenAILegacy

OpenAI's GPT-3.5 Turbo Instruct, the last instruction-tuned completions-style model outside the base models. Deprecated: shuts down 2026-09-28.

$1.50

Input

$2.00

Output

per 1M tokens

Ratesper 1M tokens

Input$1.50
Output$2.00

Estimate Your Monthly Cost

A request with input and output tokens, requests / month at a % cache hit rate $110.00/mo

Compare all models at this workload →

Excludes cache writes and batch discounts.

Also routable via OpenRouter at the same list price. OpenRouter adds a 5.5% platform fee on pay-as-you-go credits (verified 2026-07-08).

Specifications

API Model IDgpt-3.5-turbo-instruct
Context Window4K tokens
Max Output4K tokens
Modalitiestext
Capabilitiesstreaming

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