GPT-3.5 Turbo Instruct
OpenAI · Released Sep 2023
GPT-3.5 Turbo Instruct is OpenAI's instruction-tuned variant of GPT-3.5 Turbo, designed for text completion tasks rather than chat interactions.
- Strengths
- It handles traditional completion workflows and instruction-following tasks efficiently with a lightweight architecture.
- Best for
- Text completion, prompt-based generation, and instruction-following tasks where chat formatting is not needed.
- Limitations
- It has a 4K token context window, making it unsuitable for long-context tasks; newer models like GPT-4o-mini and GPT-4o provide superior reasoning, multimodal capabilities, and larger context windows.
Input / 1M
$1.50
Output / 1M
$2.00
Cached input / 1M
—
Context window
4K
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $1.50 | $2.00 | — | Imported from OpenRouter | openrouter.ai |