OpenAI: GPT 5.4 Mini (Fast)
Strong small GPT for coding subagents, quick tool use, and high-volume work
Cheapest input
$1.50
$/MTok · models.dev
Cheapest output
$9
$/MTok
Context
400K
tokens
Sources
1
1 listing
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestopenai/gpt-5.4-mini-fast | Vercel AI Gateway | $1.50 | $9 | $0.15 | 400K |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- Out: text
Knowledge cutoff: 2025-08-31Released: 2026-03-17Family: gpt-mini
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