GPT-5.4 Mini Unlocks Smarts for Free ChatGPT Users
OpenAI launched GPT-5.4 mini, making advanced capabilities available to ChatGPT Free and Go users via the 'Thinking' model selector. It outperforms GPT-5.0 mini in reasoning, multimodal understanding, and tool use while running over twice as fast. GPT-5.4 nano is API-only for cost-efficient tasks like data classification, priced at $0.20 per million input tokens.




