GPT-5.3 Codex Spark
openai / gpt-5.3-codex-spark
Input price
$1.75
per 1M tokens
Output price
$14
per 1M tokens
Context
128K
tokens
Capabilities
✓ Reasoning✓ Tool calls✓ Image input— Open weights
| cache read | $0.175 |
| Context | 128,000 tokens |
| max output | 32,000 tokens |
| Released | 2026-02-05 |
| Data updated | 2026-02-05 |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.