Expired50% confidenceBenchmarkExact time
On 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.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/13/2026
First Seen
Valid until: 10/11/2026(expired)
Sources
Related Claims
UnverifiedBased on early benchmark results, GPT-5.6 Soul overall remains slightly below Fable 5, but the gap is extremely small.81% 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.80% similarUnverifiedGPT-5.6 Soul is the flagship version with the highest performance and cost; Terra is a balanced model for everyday work; Luna is the most cost-effective entry-level model.76% similarUnverifiedGPT-5.6 Soul performs comparably to Mythos on advanced vulnerability research but consumes only about one-third of the output tokens.75% similarUnverifiedGPT-5.6 Soul version is more accurate and stable than Terra in handling stubborn bugs, problem localization, and complex code debugging.75% similar
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