GPT-3.5 Turbo Instruct
As of Oct 4, 2026, the cheapest GPT-3.5 Turbo Instruct API price is $1.4 per 1M input tokens (Poe) and $1.8 per 1M output tokens (Poe). GPT-3.5 Turbo Instruct is offered by 3 providers in the gpt family.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| Poe | Cheapest$1.4 | Cheapest$1.8 | — | — | 4k |
| Kilo Gateway | $1.5 | $2 | — | — | 4k |
| OpenRouter | $1.5 | $2 | — | — | 4k |
GPT-3.5 Turbo Instruct pricing FAQ
What is the cheapest GPT-3.5 Turbo Instruct API?
As of Oct 4, 2026, Poe has the lowest GPT-3.5 Turbo Instruct output price at $1.8 per 1M tokens, and Poe has the lowest input price at $1.4 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How many providers offer GPT-3.5 Turbo Instruct?
3 providers list GPT-3.5 Turbo Instruct on Sovyron; 3 of them sell it at a metered per-token price.
Is GPT-3.5 Turbo Instruct free?
No provider in the Sovyron catalog lists a free tier for GPT-3.5 Turbo Instruct.
What is the context window of GPT-3.5 Turbo Instruct?
GPT-3.5 Turbo Instruct supports a 4k-token context window and up to 4k output tokens.
Token cost calculator
What a month costs at one provider's published rates. Enter the tokens you expect to send and receive; cached tokens use the cached-input price where the provider lists one, and count as ordinary input where it does not.
Estimated
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