gpt-3-5-turbo-0613
GPT-3.5 Turbo (older v0613) is an earlier snapshot of OpenAI’s fast GPT-3.5 Turbo, which understands and generates natural language or code and is optimized for chat. Training data goes up to September 2021.
Pricing: Input 240 credits / 1M tokens (≈ $1.20), Output 480 credits / 1M tokens (≈ $2.40).
Prices updated
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GPT-3.5 Turbo (older v0613) API on ModelFold
GPT-3.5 Turbo (older v0613) is an earlier snapshot of OpenAI’s fast GPT-3.5 Turbo, which understands and generates natural language or code and is optimized for chat. Training data goes up to September 2021. Try GPT-3.5 Turbo (older v0613) in the ModelFold Playground, then call it from your own code through an OpenAI-compatible chat completions API.
What Is the GPT-3.5 Turbo (older v0613) API
GPT-3.5 Turbo (older v0613) at a glance
GPT-3.5 Turbo (older v0613) is a chat model from OpenAI. It accepts text as input and returns text, with a context window of up to 4K tokens.
Use it without hosting anything
On ModelFold you call GPT-3.5 Turbo (older v0613) with a single API key — no model weights to download and no inference servers to run. The same key also works for the other chat, image, video and audio models on ModelFold.
Core Capabilities of GPT-3.5 Turbo (older v0613)
Up to 4K tokens of context
Keep long conversations, large documents and sizeable code in a single request, so the model can reason over the full material instead of fragments.
Function calling
GPT-3.5 Turbo (older v0613) supports tool (function) calling: describe your functions in the request and the model returns structured calls your code can run — the basis for agents and integrations.
Structured outputs
Ask for JSON that follows a schema (response_format), which makes extraction, classification and system integrations more reliable.
How to Use GPT-3.5 Turbo (older v0613) on ModelFold
- 1
Step 1: Try it in the Playground
Open the Playground at the top of this page, type a prompt and see how GPT-3.5 Turbo (older v0613) responds before writing any code.
- 2
Step 2: Create an API key
Sign in to ModelFold and create an API key in the console. Keep it secret and send it as a Bearer token.
- 3
Step 3: Send a request
Call POST https://modelfold.ai/v1/chat/completions with "model": "gpt-3-5-turbo-0613" and your messages. Existing OpenAI-compatible SDKs work by changing the base URL and key.
- ✓
Step 4: Ship and monitor
Integrate the response into your product and check token usage and spend for every call in the console logs.
What You Can Build with GPT-3.5 Turbo (older v0613)
Low-latency experiences
Power chat interfaces, autocomplete and interactive tools where users expect fast responses.
Writing and content
Draft, edit and translate articles, emails, product copy and documentation in a consistent tone.
High-volume pipelines
Run classification, extraction, rewriting and batch jobs at scale where cost per request matters.
Frequently Asked Questions
What is GPT-3.5 Turbo (older v0613)?⌄
GPT-3.5 Turbo (older v0613) is an earlier snapshot of OpenAI’s fast GPT-3.5 Turbo, which understands and generates natural language or code and is optimized for chat. Training data goes up to September 2021.
Which inputs does GPT-3.5 Turbo (older v0613) support?⌄
GPT-3.5 Turbo (older v0613) accepts text and returns text. Through ModelFold you send text messages; documents attached in the Playground are converted to text.
How long is the context window of GPT-3.5 Turbo (older v0613)?⌄
Up to 4K tokens, shared between your input and the model’s output.
Does GPT-3.5 Turbo (older v0613) support function calling?⌄
Yes. GPT-3.5 Turbo (older v0613) supports tools / function calling through the standard tools parameter of the chat completions API.
How is GPT-3.5 Turbo (older v0613) billed on ModelFold?⌄
Pay as you go by tokens: input and output tokens are charged at the per-million-token prices shown on this page. There is no monthly fee, and failed requests are not charged.
How do I call GPT-3.5 Turbo (older v0613) through the API?⌄
Send a POST request to https://modelfold.ai/v1/chat/completions with "model": "gpt-3-5-turbo-0613", using your ModelFold API key as the Bearer token.
| Input | 240 credits 1M tokens≈ $1.20 |
| Output | 480 credits 1M tokens≈ $2.40 |
Billed per token: input and output are priced separately, and thinking tokens count as output. The Playground charges exactly the same way.
Read API docs →AI Agents · Claude Code / Cursor / Trae →curl https://modelfold.ai/v1/chat/completions \
-H "Authorization: Bearer $MODELFOLD_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"gpt-3-5-turbo-0613","messages":[{"role":"user","content":"Hello"}]}'