GPT-5.3 Codex

GPT-5.3 model specialized for code generation and software development tasks.

gpt-5.3-codex
STABLE
400,000 context
Starting at $1.75/M input tokens
Starting at $14.00/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output

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Azure

azure/gpt-5.3-codex
Context Size
400k
Stability
STABLE
Pricing
Input
$1.75
/M
Cached
$0.17
/M
Output
$14.00
/M
Capabilities
Streaming
Vision
Tools
Reasoning
JSON Output
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