Expired50% confidenceOpinionExact time
In a 40-hour long-task test, GPT-5.6 was able to work continuously for extended periods without losing its objective, as long as the task boundaries were clearly defined.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/18/2026
First Seen
Valid until: 10/16/2026(expired)
Sources
Related Claims
UnverifiedGPT-5.6 can allow a large task to run continuously for more than 20 hours without any intervention until completion.83% similarUnverifiedIn the flight simulator test, GPT 5.5 completed the task using approximately 66,000 tokens and 15 minutes, while Opus 4.7 consumed approximately 200,000 tokens and 18 minutes.72% similarUnverifiedGPT-5.6 adds the ability to manually specify cache points, with the cache lifetime extended to 30 minutes.71% similarUnverifiedClaude or GPT-4 may need 30 seconds or even longer when handling complex multi-file refactoring tasks71% similarUnverifiedAccording to data from Metra, GPT-3.5 can handle tasks that a human expert would complete in about 30 seconds, GPT-4 improved this to about 4 minutes, and Claude 3.5 Sonnet can autonomously complete tasks estimated to take a human expert 12 hours.71% similar
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