GPT-5.6 Sol Offers Great Research Experience
karinanguyen · x · 2026-07-19
The author tested the newly released **GPT-5.6 Sol** and gave it a highly positive overall review. Their most notable takeaway is that the model is much more robust and "holds up to scrutiny" in research scenarios. It often keeps up with task progression without needing repeated explanations of background or intent. The author specifically notes that this improvement is most apparent in research-oriented work. The accompanying image mentions **DiligenceBench**: it uses 150 realistic equity research tasks covering 143 US public companies to evaluate whether a model/agent can complete an entire workflow—like finding documents, extracting numbers, cross-referencing sources, distinguishing facts from assumptions, and forming investment judgments—just like a human analyst. In other words, it doesn't test simple Q&A, but the working capability of a research-oriented agent.
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