OpenAI: GPT-3.5 Turbo (older v0613)
GPT-3.5 Turbo (older v0613) is a language model from OpenAI released on Jan 25, 2024. It reads text and files and writes text, with a 4K token context window and up to 4K tokens per reply.
Show moreShow less
It costs $1 per million input tokens and $2 per million output tokens.
It supports tool calling and structured JSON output.
- Modalities
- In / out price
- $1 / $2 per 1M
- Context
- 4K
- Max output
- 4K
- Released
- Jan 25, 2024
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
GPT-3.5 Turbo (older v0613) pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $1 / 1M tokens | |
|---|---|---|
| Output | $2 / 1M tokens |
What GPT-3.5 Turbo (older v0613) costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call GPT-3.5 Turbo (older v0613) through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Temperature
temperature
Alternatives to GPT-3.5 Turbo (older v0613)
Models that take the same inputs and call tools, closest in price, cheaper ones first.
- 256K context
Reads text, images and files. Tool calling, structured output, reasoning. Served by 18 providers.
by x-aiApr 16, 2026$1/M input tokens$2/M output tokens18 providers
- 1.05M context
Reads text, images, files, audio and video. Tool calling, structured output, reasoning. Served by 4 providers.
by googleOct 7, 2025$0.50/M input tokens$3/M output tokens4 providers
- Index 22.2
Reads text, images, files, audio and video. Tool calling, structured output, reasoning. Served by 24 providers.
by googleJul 9, 20261.05M context$0.30/M input tokens$2.50/M output tokens24 providers
- 1.05M context
Reads text, images, files, audio and video. Tool calling, structured output, reasoning. Served by 32 providers.
by googleMar 20, 2025$0.30/M input tokens$2.50/M output tokens32 providers
- 128K context
Reads text, files and audio, writes text and audio. Tool calling, structured output.
by openaiJan 19, 2026$0.60/M input tokens$2.40/M output tokens
- Index 40.9
Reads text, images, files, audio and video. Tool calling, structured output, reasoning. Served by 24 providers.
by googleSep 2, 20261.05M context$0.75/M input tokens$3.75/M output tokens24 providers
More from OpenAI
- Index 51.8
Reads text, images and files. Tool calling, structured output, reasoning. Served by 27 providers.
by openaiSep 29, 20261.05M context$2/M input tokens$10/M output tokens27 providers
- 1.05M context
Reads text, images and files. Tool calling, structured output, reasoning. Served by 2 providers.
by openaiSep 29, 2026$2/M input tokens$10/M output tokens2 providers
- Index 38.1
Reads text, images and files. Tool calling, structured output, reasoning. Served by 27 providers.
by openaiSep 22, 20261.05M context$0.10/M input tokens$0.50/M output tokens27 providers
- 1.05M context
Reads text, images and files. Tool calling, structured output, reasoning. Served by 2 providers.
by openaiSep 22, 2026$0.10/M input tokens$0.50/M output tokens2 providers
- 1.05M context
Reads text, images and files. Tool calling, structured output, reasoning. Served by 27 providers.
by openaiSep 22, 2026$2/M input tokens$10/M output tokens27 providers
- 1.05M context
Reads text, images and files. Tool calling, structured output, reasoning. Served by 2 providers.
by openaiSep 22, 2026$2/M input tokens$10/M output tokens2 providers
GPT-3.5 Turbo (older v0613) questions
How much does the GPT-3.5 Turbo (older v0613) API cost?
$1 per million input tokens and $2 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of GPT-3.5 Turbo (older v0613)?
4,095 tokens of input, and it can write up to 3,685 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Does GPT-3.5 Turbo (older v0613) support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is GPT-3.5 Turbo (older v0613) open source?
No. OpenAI serves it through an API only, so you cannot download the weights or host it yourself.
When was GPT-3.5 Turbo (older v0613) released?
Jan 25, 2024.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on GPT-3.5 Turbo (older v0613)?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
Book Meeting