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GPT 5.3 Codex (Fast)
openai/gpt-5-3-codex-fastPrices
- Input
$3.50 per 1M tokens
low- Input (cached read)
$0.35 per 1M tokens
low- Output
$28.00 per 1M tokens
low
Specifications
- Provider
- openai
- Context window
- 400,000
- Max output tokens
- 128,000
- Open weights
- no
- Released
- 02/05/2026
- Retires
- no date announced
- First seen by this tracker
Price history
No price of this model has changed since we started tracking it.
- Input
- 3.5 per 1M tokens, unchanged since 09/14/2026
- Output
- 28 per 1M tokens, unchanged since 09/14/2026
- Input (cached read)
- 0.35 per 1M tokens, unchanged since 09/14/2026