Round 1: GPT-6 Sol vs. Claude Opus 5.5 (coding, reasoning, writing, agents, pricing)
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The article compares GPT-6 Sol, GPT-6 Luna, and Claude Opus 5.5 on coding, reasoning, writing, agents, pricing, and everyday work. It says Opus 5.5 is the reason today’s benchmark got much harder. As a result, the round focuses on how model performance shifts under the updated, tougher benchmark conditions.
Why it matters
In Round 1, they tested GPT-6 Sol, GPT-6 Luna, and Claude Opus 5.5 across coding, reasoning, writing, agents, pricing, and everyday work. They say Opus 5.5 is the reason today’s benchmark got much harder.
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