GPT 5.4 Mini (Fast)
Strong small GPT for coding subagents, quick tool use, and high-volume work
Context
400,000
Max output
128,000
Input / 1M
$1.50
Output / 1M
$9.00
Providers
1
01Profile
Profile
Released
2026-03-17
Last updated
2026-03-17
Knowledge cutoff
2025-08-31
Weights
Closed
02Capabilities
Capabilities
Input
text · image · pdf
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 1 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
1+ recent events since 2026-03-17
2026-08-17Addedverceloffering→ new