GPT-3.5 Turbo (older v0613)

OpenAI · Released January 2024 · Knowledge cutoff September 2021

GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.

It is part of OpenAI's GPT family, where GPT-6 Astra leads, GPT-6 Sol and GPT-6 Luna cover the capability and speed tiers below it, the GPT-5.6 generation sits behind them, and Pro servings trade speed for deeper computation.

Facts and pricing

Provider

OpenAI

Context window

4K tokens

Input price

12.0 credits / 1M tokens ($1.00 raw)

Output price

24.0 credits / 1M tokens ($2.00 raw)

Vision (image input)

No

Tool calling

Yes

Extended reasoning

No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin. Raw prices shown per 1M tokens.

Try GPT-3.5 Turbo (older v0613) now

What GPT-3.5 Turbo (older v0613) is best for

• High-volume everyday tasks where speed and cost matter: summaries, drafts, quick questions
• Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows

Example prompts

Prompts that suit a fast and light model like GPT-3.5 Turbo (older v0613):

• Summarize this article in five bullet points
• Rewrite this email to be shorter and friendlier
• Give me ten name ideas for a hiking newsletter
• Translate this paragraph to Spanish and keep the tone

OpenAI family

All 71 OpenAI models

Model comparisons

• Claude Opus 5.5 vs GPT-6 Astra
• Claude Opus 5.5 vs GPT-6 Sol
• GPT-6 Sol vs GPT-5.6 Sol
• GPT-6 Sol vs GPT-6 Astra

Frequently asked questions

What is GPT-3.5 Turbo (older v0613)?

GPT-3.5 Turbo (older v0613) is an AI model by OpenAI. GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.

How much does GPT-3.5 Turbo (older v0613) cost on Zeplik?

Input tokens cost 12.0 credits per million and output tokens 24.0 credits per million (1 credit = $0.10; the raw provider rates are $1.00 and $2.00 per million). New accounts start with free credits.

How long can a conversation with GPT-3.5 Turbo (older v0613) be?

GPT-3.5 Turbo (older v0613) has a 4K-token context window (4,095 tokens), which covers the conversation plus any documents you attach.

Does GPT-3.5 Turbo (older v0613) support images and tools?

GPT-3.5 Turbo (older v0613) is text-only and supports tool calling.

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