GPT-5 Mini

OpenAI · Released August 2025 · Knowledge cutoff May 2024

GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks.

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

400K tokens

Input price

3.0 credits / 1M tokens ($0.25 raw)

Output price

24.0 credits / 1M tokens ($2.00 raw)

Vision (image input)

Yes

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.

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What GPT-5 Mini is best for

• High-volume everyday tasks where speed and cost matter: summaries, drafts, quick questions
• Long documents: the 400K-token window holds lengthy reports, contracts or papers whole
• Working with images: screenshots, charts, photos and scanned documents alongside text
• 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-5 Mini:

• 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-5 Mini?

GPT-5 Mini is an AI model by OpenAI. GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks.

How much does GPT-5 Mini cost on Zeplik?

Input tokens cost 3.0 credits per million and output tokens 24.0 credits per million (1 credit = $0.10; the raw provider rates are $0.25 and $2.00 per million). New accounts start with free credits.

How long can a conversation with GPT-5 Mini be?

GPT-5 Mini has a 400K-token context window (400,000 tokens), which covers the conversation plus any documents you attach.

Does GPT-5 Mini support images and tools?

GPT-5 Mini accepts image input and supports tool calling.

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