Expired50% confidenceBenchmarkExact time
Based on early benchmark results, GPT-5.6 Soul overall remains slightly below Fable 5, but the gap is extremely small.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/8/2026
First Seen
Valid until: 10/6/2026(expired)
Sources
GPT-5.6三款新模型实测：Soul/Terra/Luna全面解析
bilibiliAI_Express6/30/2026
Related Claims
UnverifiedGPT-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-5.5.83% similarUnverifiedOn Zapier's Automation Bench, GPT-5.6 Soul leads Fable by a narrow margin of 0.7 points at the max tier, with comparable costs.81% similarUnverifiedGPT-5.6 Soul performs comparably to Mythos on advanced vulnerability research but consumes only about one-third of the output tokens.80% similarUnverifiedGPT-5.6 includes two versions: Terra and Soul.79% 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.78% similar
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