GPT-4.1
GPT 4.1: the complete guide | features, pricing & how to use
GPT-4.1 launched on April 16, 2025 with 8 votes and more than 50% of that year's launches.
What it does
Complete guide to GPT-4.1: Features, pricing, benchmarks, usage scenarios, and how to access it for free. Latest information about OpenAI's most advanced AI model.
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GPT-4.1 in the API2025 · openai.com · ▲375Announcing GPT-4.1, GPT-4.1 mini, & GPT-4.1 nano in the API
gpt-realtime-1.5 by OpenAIFeb 2026 · developers.openai.com · ▲300Tighter instruction adherence in speech agents
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