Unverified50% confidenceTradeoffExact time
GPT-6.1 Sol performs poorly on long-duration unattended rewriting tasks, stubbornly adhering to process rules without seeking help when progress stalls.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/1/2026
First Seen
Valid until: 12/30/2026
Sources
Related Entities
Related Claims
UnverifiedGPT-6.1 Sol has not demonstrated a clear qualitative capability leap over its predecessor on structured generation tasks.78% similarVerifiedGPT-5.6 Sol has the capability to handle long-cycle tasks running continuously for days, requiring only a given objective to iteratively produce detailed results, with significantly improved UI generation quality.76% similarUnverifiedGPT-5.6 enables subagents too aggressively, even when the task does not require them.75% similarUnverifiedGPT-6.1 Sol is strong in rational tasks (terminal, code, scientific research, algorithm visualization, and long-horizon game generation) but weaker in creative writing and refined artistic quality73% similarUnverifiedFor heavy rewrite tasks involving extended unattended operation, such as a TS-to-Rust migration project that GPT-4.1 Sol, Astra, and 5.6 Sol all failed to complete, Opus 5.5 rewrote it from scratch overnight.71% similar
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