GPT-5.4 Mini vs GPT-5.4 Nano
List-price comparison · GPT-5.4 Mini details · GPT-5.4 Nano details
For a typical workload (100,000 requests / mo), GPT-5.4 Nano costs 73% less — $74.00/mo vs $270.00/mo.
| GPT-5.4 Mini | GPT-5.4 Nano | |
|---|---|---|
| Input / 1M tokens | $0.750 | $0.200 |
| Output / 1M tokens | $4.50 | $1.25 |
| Typical request (1,200 in + 400 out) | $0.0027 | $0.0007 |
| Context window | 400k tokens | 400k tokens |
| Max output | 128k tokens | 128k tokens |
| Tier | Balanced | Flash |
| Provider | OpenAI | OpenAI |
Projected monthly cost
Rows open both models in the calculator — adjust volume and token counts there.
GPT-5.4 Mini
Good default for everyday chat, summarization, and lightweight agent steps where GPT-5.4-level reasoning isn't required.
Quality gap widens on long, multi-hop reasoning tasks — needs careful prompt design to avoid silent failures on edge cases.
GPT-5.4 Nano
Cheapest OpenAI option for high-throughput classification, tagging, and routing — ideal as a first-pass filter before a stronger model.
Limited reasoning depth means it should be treated as a triage layer, not a final answer source, for anything business-critical.
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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.