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OpenAI · LLM API Modelretired

gpt-3.5-turbo-instruct

OpenAI retired gpt-3.5-turbo-instruct on 28 Sep 2026. Listed rates: $1.50 in / $2.00 out per 1M tokens.

Updated October 8, 2026
Input / 1M
$1.50
Output / 1M
$2.00
Cached Input
—
Context Window
8K
Standard Input
$1.50 / 1M
Base prompt input rate
Standard Output
$2.00 / 1M
Completion output rate
Prompt Caching -50%
50% Off
Cached prompt context
Batch API -50%
50% Off
Asynchronous 24h batch

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OpenAI retired gpt-3.5-turbo-instruct on 28 Sep 2026.

OpenAI recommends gpt-5.6-terra. At the same token volume, gpt-5.6-terra costs 33% more per 1M input tokens and 500% more per 1M output tokens.

See current OpenAI pricing.

Flagship models

All rates listed in USD per 1 Million (1M) tokens unless noted

Standard
Pricing Metric / Parameter
Standard RATE
(per 1M)
Short context input$1.50
Short context cached input-
Short context cache writes-
Short context output$2.00
Long context input-
Long context cached input-
Long context cache writes-
Long context output-

Source: OpenAI official pricing page, verified 2026-10-08. Prices in USD per 1M tokens.

AI / LLM
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