GPT-5.1-Instant
Compact GPT model for low-latency assistance and high-volume workloads
Context
128,000
Max output
16,384
Input / 1M
$1.10
Output / 1M
$9.00
Providers
1
01Profile
Profile
Released
2025-11-12
Last updated
2025-11-12
Knowledge cutoff
—
Weights
Closed
02Capabilities
Capabilities
Input
text · image
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
No
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
3+ recent events since 2025-11-12
2026-08-08Removedvercelofferingremoved→ new
2026-01-10Addedverceloffering→ new
2025-11-14Addedpoeoffering→ new