65,000 real API calls: GPT-6.1 Sol is the slowest of 15 models in actual usage

RexDouglass · x · 2026-10-05

After users complained GPT-6.1 Sol feels sluggish, one ran an agent over 65,000 calls from his coding tools since August, comparing answers of similar length and measuring wait time from request to full response.

In his real-world data, GPT-6.1 Sol ranked dead last among the 15 models he used — even Fast mode only matched regular GPT-6 Sol. Not a benchmark, just actual usage.

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