Expired50% confidenceBenchmarkExact time
GPT 5.6 Soul defeated Clawed Mythos 5 in Terminal Bench 2.1.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/13/2026
First Seen
Valid until: 10/11/2026(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% similarUnverifiedOn Terminal Bench 2.1, GPT-5.6 Soul Ultra ranks first with a score of 91.9, while Claude Mythos 5 ranks third.77% similarUnverifiedGPT-5.6 includes two versions: Terra and Soul.77% similarUnverifiedBased on early benchmark results, GPT-5.6 Soul overall remains slightly below Fable 5, but the gap is extremely small.76% 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-5.5.76% similar
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