GPT-3.5 Turbo Instruct
Updated Sep 11, 2026
gpt4k context4k max outputreleased Sep 28, 2023Tool calling
Official
—
output per 1M tokens
Providers
3
offering this model
Spread
1.1×
max / min output
Offers
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context |
|---|---|---|---|---|---|
| Poe | Cheapest$1.4 | Cheapest$1.8 | — | — | 4k |
| Kilo Gateway | $1.5 | $2 | — | — | 4k |
| OpenRouter | $1.5 | $2 | — | — | 4k |
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