GPT-5.3 Codex

Most advanced agentic coding model combining frontier coding performance with broader reasoning capabilities.

azure/gpt-5.3-codex
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Streaming
Vision
Tools
Reasoning
JSON Output
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Azure Pricing for GPT-5.3 Codex

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Azure
Context: 400k
Input
$1.75
/M tokens
Cached
$0.175
/M tokens
Output
$14
/M tokens
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