Promising a step up in scale and conversational finesse, this modelânicknamed Orion internallyârolled out to Pro subscribers at $200 monthly, with plans to reach ChatGPT Plus, Team, and Enterprise tiers over the coming weeks. OpenAI hailed it as a leap in ânatural conversation,â blending hefty compute power with a knack for creative insights, though itâs not without its quirks.
This week, as the dust settles, GPT-4.5 stands as OpenAIâs latest bid to keep its edge in the AI race, building on GPT-4oâs multimodal groundwork from May 2024. For the 80 percent of U.S. adults glued to smartphones (Pew Research, 2023), itâs a taste of whatâs possible when AI scales upâbigger, yes, but also a bit unwieldy. Whatâs powering this beast, how does it perform, and whyâs it making waves now? Hereâs the full scoop on GPT-4.5, straight from OpenAIâs own words and this weekâs sharpest takes.
A GIANT LEAP IN SCALE AND CHAT
OpenAI kicked off last weekâs reveal by calling GPT-4.5 its âlargest and best model for chat yet,â a claim unpacked in their announcement post. This isnât about reasoning breakthroughsâthose are reserved for the o-seriesâbut sheer size and conversational punch. TechCrunch reported that itâs a compute-intensive titan, dwarfing GPT-4o with a focus on pattern recognition and creative flair, not chain-of-thought logic. OpenAI emphasized its pretraining scale, saying it boosts the model's ability to spot connections and generate insightsâthink crafting a witty story or nailing a tricky analogy.
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