Models/Text/GPT-5.3 Codex Spark

OpenAI: GPT-5.3 Codex Spark

Name: OpenAI: GPT-5.3 Codex Spark
Brand: OpenAI

Coding-first model tuned for structured output, repo work, and agent loops.

Capability support

TText🖼Vision⚙Tools{}JSON⚡Streaming

Context windowN/Atokens

Official pricing

The model's published list prices, used only as the comparison baseline for route pricing and discounts

Input$1.751M

Output$14.001M

Cache read$0.171M

Provider, public group, live pricing, latency, and uptime per active route

Provider / groupInput1M tokensOutput1M tokensCache read1M tokensLatencyThroughputUptime

OpenAI93% OFF

Input$0.12~~$1.75~~

Output$0.98~~$14.00~~

Cache read$0.0012~~$0.17~~

Latency1.1sThroughput19.9 t/s

Uptime

100.0%