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GPT-5.1

Iterative improvement on GPT-5 with enhanced reasoning and tool support.

hormouz/gpt-5.1

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Streaming

Vision

Tools

Reasoning

JSON Output

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Hormouz Pricing for GPT-5.1

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S

Hormouz

Context: 400k

Input

$1.25

/M tokens

Cache Read

$0.125

/M tokens

Output

$10

/M tokens