GPT-5.4 vs GPT-5.4 Pro
GPT-5.4 and GPT-5.4 Pro are both current openai production-tier models. GPT-5.4 is meaningfully cheaper at $2.5 / $15 per 1M. GPT-5.4 Pro leads on reasoning.
Specs side by side
| Metric | OpenAI GPT-5.4 | OpenAI GPT-5.4 Pro |
|---|---|---|
| Input price (per 1M) | $2.5 | $30 |
| Output price (per 1M) | $15 | $180 |
| Context window | 400k tokens | 400k tokens |
| Speed tier | balanced | slow |
| Open weights | No | No |
| EU region | Yes | No |
| 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…
- Cost is a priority ($2.5 / $15 per 1M vs $30 / $180 per 1M)
- EU data residency is required
Choose GPT-5.4 Pro if…
- Reasoning is central to your workload
Benchmark delta
GPT-5.4 leads on
GPT-5.4 has no meaningful benchmark lead in this pair.
GPT-5.4 Pro leads on
- Reasoning
FAQ — GPT-5.4 vs GPT-5.4 Pro
GPT-5.4 vs GPT-5.4 Pro — which is better?
GPT-5.4 and GPT-5.4 Pro are both current openai production-tier models. GPT-5.4 is meaningfully cheaper at $2.5 / $15 per 1M. GPT-5.4 Pro leads on reasoning. 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 Pro?
GPT-5.4 costs $2.5 / $15 per 1M vs GPT-5.4 Pro at $30 / $180 per 1M. GPT-5.4 is cheaper on output tokens by roughly 1100%. Both support prompt caching, which reduces effective cost by 80-90% on repeat system prompts.
Does GPT-5.4 or GPT-5.4 Pro have the bigger context window?
GPT-5.4 Pro 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 Pro?
GPT-5.4: no — Free $5 credit for new accounts; paid thereafter. GPT-5.4 Pro: no — Paid-only — no free tier.
Which is better for coding — GPT-5.4 or GPT-5.4 Pro?
GPT-5.4 Pro leads on coding benchmarks (GPT-5.4: 93/100, GPT-5.4 Pro: 96/100). For production coding agents also weigh tool-use performance — GPT-5.4 scores 93, GPT-5.4 Pro scores 94.