OpenAI launches GPT-5 with fast and thinking models, new mini/nano variants

OpenAI has launched GPT-5, a new unified AI system that includes a primary fast model and a more deliberate thinking model, capable of handling up to 400K context length. This release introduces cost-effective variants, GPT-5-mini and GPT-5-nano, aiming to redefine the price-performance ratio for AI capabilities. GPT-5 demonstrates strong performance in coding and long-context reasoning tasks, positioning it competitively against models like Claude 4.1. AI

RANK_REASON Frontier-lab model release with system card.

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• ChatGPT
• Claude 4.1
• Cursor AI
• GPT-5
• GPT-5-mini
• GPT-5-nano
• JetBrains AI Assistant
• Microsoft Copilot
• Notion AI
• OpenAI
• Perplexity AI

• model release
• product

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