GPT Realtime 1.5
Speech generation model for controllable voice, narration, and audio delivery
Context
32,000
Max output
4,096
Input / 1M
$4.00
Output / 1M
$16.00
Providers
2
01Profile
Profile
Released
2025-06-01
Last updated
2026-02-23
Knowledge cutoff
—
Weights
Closed
02Capabilities
Capabilities
Input
text · audio · image
Output
text · audio
Reasoning
No
Tool calling
Yes
Structured output
No
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 2 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
2+ recent events since 2025-06-01
2026-06-23Addedverceloffering→ new
2026-06-09Addedfastrouteroffering→ new