Expired50% confidenceBenchmarkExact time
GPT-5.6 Soul performs comparably to Mythos on advanced vulnerability research but consumes only about one-third of the output tokens.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/9/2026
First Seen
Valid until: 10/7/2026(expired)
Sources
Related Claims
UnverifiedThe 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.84% 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-5.5.82% similarUnverifiedGPT-5.6 Soul version is more accurate and stable than Terra in handling stubborn bugs, problem localization, and complex code debugging.80% similarUnverifiedBased on early benchmark results, GPT-5.6 Soul overall remains slightly below Fable 5, but the gap is extremely small.80% similarUnverifiedGPT 5.6 Soul defeated Clawed Mythos 5 in Terminal Bench 2.1.80% similar
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