Expired50% confidenceBenchmarkExact time
On Terminal Bench 2.1, GPT-5.6 Soul Ultra ranks first with a score of 91.9, while Claude Mythos 5 ranks third.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/8/2026
First Seen
Valid until: 10/6/2026(expired)
Sources
GPT-5.6发布：Soul/Terra/Luna三层布局，编排能力训入模型
bilibili杨博士说AI6/29/2026
Related Claims
UnverifiedGPT 5.6 Soul defeated Clawed Mythos 5 in Terminal Bench 2.1.77% similarUnverifiedGPT-5.5 与 Claude Mythos 5 在 Terminal Bench 2.1 上均停留在 88% 左右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-5.5.75% similarUnverifiedGPT-5.6 Sol in standard mode surpasses Claude Mythos 5 on Terminal Bench 2.1, and with Ultra Mode enabled, the score reaches 91.9%.75% similarUnverifiedBased on early benchmark results, GPT-5.6 Soul overall remains slightly below Fable 5, but the gap is extremely small.73% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/248693API
curl https://kongchang.com/api/v1/knowledge/claims/248693MCP
get_claim(id=248693)