GPT-3.5-turbo
As of Oct 4, 2026, the cheapest GPT-3.5-turbo API price is $0.45 per 1M input tokens (Poe) and $1.4 per 1M output tokens (Poe). GPT-3.5-turbo is offered by 11 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.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context |
|---|---|---|---|---|---|
| Poe | Cheapest$0.45 | Cheapest$1.4 | — | — | 16k |
| Eden AI | $0.5 | $1.5 | — | — | 16k |
| Impossibl | $0.5 | $1.5 | — | — | 16k |
| Kilo Gateway | $0.5 | $1.5 | — | — | 16k |
| DevPass (LLM Gateway) | $0.5 | $1.5 | free | — | 16k |
| LLM Gateway | $0.5 | $1.5 | — | — | 16k |
| Merge Gateway | $0.5 | $1.5 | — | — | 16k |
| NanoGPT | $0.5 | $1.5 | — | — | 16k |
| OpenRouter | $0.5 | $1.5 | — | — | 16k |
| OrcaRouter | $0.5 | $1.5 | free | — | 16k |
| Vercel AI Gateway | $0.5 | $1.5 | — | — | 16k |
GPT-3.5-turbo pricing FAQ
What is the cheapest GPT-3.5-turbo API?
As of Oct 4, 2026, Poe has the lowest GPT-3.5-turbo output price at $1.4 per 1M tokens, and Poe has the lowest input price at $0.45 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?
11 providers list GPT-3.5-turbo on Sovyron; 11 of them sell it at a metered per-token price.
Is GPT-3.5-turbo free?
No provider in the Sovyron catalog lists a free tier for GPT-3.5-turbo.
What is the context window of GPT-3.5-turbo?
GPT-3.5-turbo supports a 16k-token context window and up to 4k output tokens.