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OpenAI

GPT-5.3

gpt-5.3
Guru+flagship

GPT-5.3 is a flagship model in the Majestix lineup built for flagship, general, analysis workloads, with 128K context and $2.10 / $14.70 per 1M tokens.

Context Window
128K
Max Output
32K
Pricing
$2.10 input / $14.70 output per 1M tokens

What this model is good at

FlagshipGeneralAnalysisReasoning

Benchmarks and operating signals

SignalValueNote
Context Window128Kplatform limit
Max Output32Kplatform limit
Output Price$14.70 / 1MMajestix pricing

Quick guidance

Use GPT-5.3 when your workload lines up with flagship and general and you want a clear price-to-capability tradeoff inside Majestix.

This card intentionally focuses on platform context: pricing, limits, and where the model already appears in swarm templates. It is not a self-hosting guide or a vendor deployment manual.

If you want the narrative version, the paired blog intro is the fastest way to explain this model to customers, internal operators, or community readers.