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OpenAI
GPT-5.3 Chat
openai/gpt-5.3-chat
Current Pricing
Calculate CostInput ($/1M)
$1.75
Output ($/1M)
$14.00
Cache Read ($/1M)
$0.1750
Web Search ($/call)
$0.0100
Last updated: Jul 14, 2026 · Source: openrouter_api
Specifications
Context Window
128K
Max Output
16.4K
Release Date
Mar 3, 2026
Modalities
textimagefile
Function Calling
Streaming
Batch
Structured Output