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What
Add new GPT-5 models:
gpt-5,gpt-5-mini,gpt-5-nano,gpt-5-chatDetails
OpenAI released GPT-5 in August 2025 with four model variants:
This PR adds these models to both the Models.swift file and updates the README documentation, following the same pattern as the GPT-4.1 models addition.
Changes Made
Sources/OpenAI/Public/Models/Models/Models.swiftchatCompletionsEndpointandresponsesEndpointmodel sets to include the new modelsTesting
The changes only add new model string constants and don't affect existing functionality.