GPT-3.5 Turbo
openai/gpt-3.5-turbo
OpenAI: GPT-3.5 Turbo, released on 2023-03-01 by OpenAI, is a text‑only model that both receives and returns textual data. It operates with a context window of 16,385 tokens, supports external tool use, does not provide specialized reasoning capabilities, and its weights are not open source. Pricing is $0.5 per million input tokens and $1.5 per million output tokens.
- tool use
- structured outputs
At a glance
Specifications
What the API gives you
- Context window
- 16K tokens
- Max output
- 4K tokens
- Input price
- $0.50 / 1M tokens
- Output price
- $1.50 / 1M tokens
- Cache read
- —
- Modalities
- text → text
- Knowledge cutoff
- Sep 30, 2021
- Released
- Mar 1, 2023
Recommendation coverage
Where this model appears
Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.
Benchmarks
No independent benchmark results are linked to this model yet. We keep it visible while withholding quality claims until usable results arrive.
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.