OpenAI revives GPT-3.5 Turbo API. Now faster and 10x cheaper, it is powering Snapchat, Quizlet, Instacart, and Shopify with smarter, AI-driven features.

Called Codex CLI, it's a lightweight and open-source agent that can take advantage of o3 and o4-mini, with GPT-4.1 support coming later. For those who want even more computing power, OpenAI is ...

GPT 4.1, GPT 4.1 Mini, and GPT 4.1 Nano are all available now—and will help OpenAI compete with Google and Anthropic.

OpenAI launches GPT-4.1 with improved coding, long-context support, and updated data. Available via API only, it outperforms ...

Among the new AI models will be a release of what I’m expecting will be branded GPT-4.1, which one source describes as a revamped version of OpenAI’s GPT-4o ... you need to download, watch ...

It’s still under the GPT-4 family umbrella, but OpenAI says it performs better than its siblings on many fronts. The o4-mini model is the budget-friendly alternative. It’s faster and cheaper ...

OpenAI's reasoning models are billed as more accurate than its non-reasoning models like GPT-4o and GPT-4.5 because they use more computation to "spend more time thinking before they respond," as ...

OpenAI claims the full GPT-4.1 model outperforms its GPT-4o and GPT-4o mini models on coding benchmarks, including SWE-bench.