Pricing · per 1M tokens
Input
$1.75
per million tokens
Output
$14.00
per million tokens
| Cached input | $0.175/Mtok (10% of input — prompt caching) |
|---|---|
| Blended avg cost* | $7.88/Mtok |
Overview
GPT-5.3 optimized for agentic coding and software engineering. 400K context.
Capabilities
Input 2/5
Text ✓
Image ✓
Audio
Video
PDF
Output 1/5
Text ✓
Image
Audio
Video
Embedding
Features 5/9
Prompt caching ✓
Reasoning ✓
Coding ✓
Fast inference
Long context ✓
Open weights
Multimodal ✓
Web search
Realtime
Specifications
| Provider | OpenAI |
|---|---|
| Context window | 400K tokens |
| Modality | text, image |
| Parameters | Proprietary |
| Open source | No — proprietary |
| Released | Feb 24, 2026 |
| Status | Current |
| Last updated | Jul 3, 2026 |
| Tags | coding reasoning |
Cost calculator
At a glance
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Price history
Last checked: Jul 3, 2026 · verified against the official provider page twice daily
No price changes detected — this model's pricing has been stable since we began tracking it.