OpenAI掀桌子，新模型力压谷歌，o3降到地板价

Core Insights - OpenAI has launched o3-pro, an enhanced version of its reasoning model, following a 9-hour outage of ChatGPT, aiming to provide more reliable responses and extended thinking time [1][2][4]. Model Performance - o3-pro has been made available to all ChatGPT and API Pro users, with usage limits for Plus users increased from 100 to 200 times per week [2]. - In expert evaluations, o3-pro outperformed its predecessor o3 in all tested categories, particularly in science, education, programming, business, and writing assistance [2][6]. - The model supports both text and image inputs, with a context window size of 200k and a maximum output token count of 100k [11]. Competitive Landscape - OpenAI's performance is under scrutiny, especially with Google’s Gemini 2.5 Pro entering the market, which has been noted for its competitive pricing and capabilities [4][24]. - In internal tests, o3-pro surpassed Gemini 2.5 Pro in mathematical benchmarks and outperformed Anthropic's Claude 4 Opus in doctoral-level science tests [27]. Pricing Strategy - o3-pro is priced at $20 per million tokens for input and $80 for output, significantly lower than its predecessor o1-pro, which is expected to be phased out [24][27]. - Following the launch of o3-pro, OpenAI announced an 80% price reduction for o3, making it more competitive against Gemini 2.5 Pro [27]. User Experience - Users have reported that o3-pro is slower in response times compared to other models, taking several minutes for simple queries, which has raised concerns about its efficiency [15][17]. - Despite the slower response, o3-pro has demonstrated strong analytical capabilities and proficiency in using tools for complex problem-solving [19][22].