GPT-5.4 Pro vs o4-mini
GPT-5.4 Pro and o4-mini are both current openai production-tier models. o4-mini is meaningfully cheaper at $1.1 / $4.4 per 1M. GPT-5.4 Pro leads on coding, general knowledge, long-context retrieval.
Specs side by side
| Metric | OpenAI GPT-5.4 Pro | OpenAI o4-mini |
|---|---|---|
| Input price (per 1M) | $30 | $1.1 |
| Output price (per 1M) | $180 | $4.4 |
| Context window | 400k tokens | 200k tokens |
| Speed tier | slow | slow |
| Open weights | No | No |
| EU region | No | 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 Pro if…
- You need 400k context (2× more than o4-mini)
- Coding is central to your workload
- General knowledge is central to your workload
Choose o4-mini if…
- Cost is a priority ($1.1 / $4.4 per 1M vs $30 / $180 per 1M)
- EU data residency is required
Benchmark delta
GPT-5.4 Pro leads on
- Coding
- General knowledge
- Long-context retrieval
- Multilingual
- Vision
- Tool use
o4-mini leads on
o4-mini has no meaningful benchmark lead in this pair.
FAQ — GPT-5.4 Pro vs o4-mini
GPT-5.4 Pro vs o4-mini — which is better?
GPT-5.4 Pro and o4-mini are both current openai production-tier models. o4-mini is meaningfully cheaper at $1.1 / $4.4 per 1M. GPT-5.4 Pro leads on coding, general knowledge, long-context retrieval. The right pick depends on your use case — see "When to choose each" above for a data-driven decision.
How does GPT-5.4 Pro pricing compare to o4-mini?
GPT-5.4 Pro costs $30 / $180 per 1M vs o4-mini at $1.1 / $4.4 per 1M. o4-mini is cheaper on output tokens by roughly 3991%. Both support prompt caching, which reduces effective cost by 80-90% on repeat system prompts.
Does GPT-5.4 Pro or o4-mini have the bigger context window?
GPT-5.4 Pro has a 400k-token context window — 2× the 200k context of o4-mini. Enough for long reports and multi-document analysis.
Is there a free tier for GPT-5.4 Pro or o4-mini?
GPT-5.4 Pro: no — Paid-only — no free tier. o4-mini: no — Paid-only.
Which is better for coding — GPT-5.4 Pro or o4-mini?
GPT-5.4 Pro leads on coding benchmarks (GPT-5.4 Pro: 96/100, o4-mini: 92/100). For production coding agents also weigh tool-use performance — GPT-5.4 Pro scores 94, o4-mini scores 88.