Expired60% confidenceOpinionExact time
GPT-5.6 Soul version is more accurate and stable than Terra in handling stubborn bugs, problem localization, and complex code debugging.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/18/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/16/2026(expired)
Sources
Related Claims
UnverifiedGPT-5.6 Soul performs comparably to Mythos on advanced vulnerability research but consumes only about one-third of the output tokens.80% similarUnverifiedThe blogger speculates that GPT-5.6 Soul Pro may not be a new pricing tier, but rather a high-intensity operation mode that consumes more tokens.79% similarUnverifiedGPT-5.6 Soul and Soul Ultra's benchmark scores mostly surpassed Mysus, Terra surpassed Fable 5, while Luna's performance fell short of the previous generation GPT-5.5.78% similarUnverifiedGPT-5.6's new Max feature reserves the longest thinking time for the flagship variant Soul for complex reasoning, while the Ultra feature mobilizes multiple sub-agents to work in parallel on complex tasks.78% similarUnverifiedBased on early benchmark results, GPT-5.6 Soul overall remains slightly below Fable 5, but the gap is extremely small.77% similar
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