Google previews upgraded Gemini 2.5 Pro, spotlighting coding gains

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Google introduced an enhanced preview of Gemini 2.5 Pro, which achieved a 24-point Elo score improvement on LMArena (reaching 1470) and a 35-point jump on WebDevArena (1443), while maintaining top positions on both leaderboards. The model tops coding benchmarks like Aider Polyglot, and demonstrates strong performance on GPQA and Humanity’s Last Exam, which test advanced math, science, and reasoning capabilities. Google also added “thinking budgets,” giving developers control over cost and latency trade-offs. The upgraded 2.5 Pro is available through the Gemini API at $1.25/$10 per million input/output tokens, and is rolling out in the Gemini app. (Google)

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