Gemini 3.0 outperforms GPT-5.1 across most benchmarks including academic reasoning, multimodal understanding, coding tasks, and generation speed (130 vs 87 tokens/second). GPT-5.1 offers better cost efficiency and more predictable behavior in tool-use scenarios. Gemini 3.0 excels at visual reasoning, long-horizon agent tasks,

5m read timeFrom portkey.ai
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Coding performanceReasoning and academic performanceMultimodal and vision-language performanceAgentic and tool-use performancePricing and efficiencySpeed and latencyWhich model should you choose?Run both models through one production-ready gateway

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