GPT-5.4 vs GPT-5.4 Mini
GPT-5.4 and GPT-5.4 Mini are both current openai production-tier models. GPT-5.4 Mini is meaningfully cheaper at $0.75 / $4.5 per 1M. GPT-5.4 leads on coding, reasoning, general knowledge.
Specs side by side
| Metric | OpenAI GPT-5.4 | OpenAI GPT-5.4 Mini |
|---|---|---|
| Input price (per 1M) | $2.5 | $0.75 |
| Output price (per 1M) | $15 | $4.5 |
| Context window | 400k tokens | 400k tokens |
| Speed tier | balanced | fast |
| Open weights | No | No |
| EU region | Yes | Yes |
| Free tier | No | No |
| Prompt caching | Yes | Yes |
| Vision input | Yes | Yes |
| Extended thinking | Yes | Yes |
When to choose each
Choose GPT-5.4 if…
- Coding is central to your workload
- Reasoning is central to your workload
Choose GPT-5.4 Mini if…
- Cost is a priority ($0.75 / $4.5 per 1M vs $2.5 / $15 per 1M)
Benchmark delta
GPT-5.4 leads on
- Coding
- Reasoning
- General knowledge
- Instruction following
- Multilingual
- Vision
- Tool use
GPT-5.4 Mini leads on
GPT-5.4 Mini has no meaningful benchmark lead in this pair.
FAQ — GPT-5.4 vs GPT-5.4 Mini
GPT-5.4 vs GPT-5.4 Mini — which is better?
GPT-5.4 and GPT-5.4 Mini are both current openai production-tier models. GPT-5.4 Mini is meaningfully cheaper at $0.75 / $4.5 per 1M. GPT-5.4 leads on coding, reasoning, general knowledge. The right pick depends on your use case — see "When to choose each" above for a data-driven decision.
How does GPT-5.4 pricing compare to GPT-5.4 Mini?
GPT-5.4 costs $2.5 / $15 per 1M vs GPT-5.4 Mini at $0.75 / $4.5 per 1M. GPT-5.4 Mini is cheaper on output tokens by roughly 233%. Both support prompt caching, which reduces effective cost by 80-90% on repeat system prompts.
Does GPT-5.4 or GPT-5.4 Mini have the bigger context window?
GPT-5.4 Mini has a 400k-token context window — 1× the 400k context of GPT-5.4. Enough for long reports and multi-document analysis.
Is there a free tier for GPT-5.4 or GPT-5.4 Mini?
GPT-5.4: no — Free $5 credit for new accounts; paid thereafter. GPT-5.4 Mini: no — Near-free at $0.75/$4.50 per 1M; starter credits only.
Which is better for coding — GPT-5.4 or GPT-5.4 Mini?
GPT-5.4 leads on coding benchmarks (GPT-5.4: 93/100, GPT-5.4 Mini: 84/100). For production coding agents also weigh tool-use performance — GPT-5.4 scores 93, GPT-5.4 Mini scores 86.