Unverified60% confidenceBenchmarkExact time
In a third-party Artificial Analysis evaluation, GPT-6.1 Terra's composite intelligence index was 48, 4 points lower than GPT-6.1 Soul.
2
Sources
60%
Confidence
Short-term (~14 days)
Relevance
11/1/2026
First Seen
Valid until: 11/15/2026
Sources
Related Entities
Related Claims
UnverifiedOn the independent Intelligence Index (version 4.3), Terra scored 48, while Shou (the flagship) scored 52 and Opus 5.5 scored 58 under the same methodology.77% similarUnverifiedGPT-6.1 Terra's score on the scientific programming test Terminal Bench Science exceeds that of the higher-positioned Soul and is less than 5 percentage points below Claude Opus 5.5, while its estimated cost is less than one-fifth of the latter's.75% similarUnverifiedIn the Artificial Analysis overall intelligence index, GPT-6 Sol scores a full 48 points (in the same tier as Astra), and Luna scores a full 36 points.75% similarUnverifiedArtificial Analysis gave Qwen 3.8 an intelligence index of 52, tying GPT at the full reasoning tier at 5.6, with an agent score of 51, higher than Claude Opus 4.8.72% similar
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