OpenAI
GPT-5.3 Codex
gpt-5.3-codexCatalog preview. Paid requests for this model are not enabled yet.
Pricing
~91%USD. No uRouter markup. Live prices can change.
- Input
- $0.155508 / 1,000,000 tokens
- Output
- $1.244064 / 1,000,000 tokens
- Cache read
- $0.015551 / 1,000,000 tokens
- Cache write
- $0.155508 / 1,000,000 tokens
Model details
- Input
- text
- Output
- text
- Context window
- 400,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $10.2KUncapped capacity
- Updated
- 11/8/2026, 1:58:50 AM UTC
Capacity is reserved when your request is accepted.
Price history
Observed best prices · Last 24 hours · UTC
$0.155508/ 1,000,000 tokens
Capabilities
chatstreamingtoolsvisionreasoning
Supported parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetoolsListed capabilities describe the model. uRouter execution support is verified separately.