Expired50% confidenceFactExact time
GPT-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.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
Valid until: 10/10/2026(expired)
Sources
Related Claims
VerifiedThe three GPT-5.6 models are positioned as follows: Sol is the flagship performance model, Terra balances performance and cost, and Luna is the most economical option.79% similarUnverifiedIn the GPT-5.6 family, Sol is the most powerful model targeting complex agentic workflows, Terra is a faster model targeting everyday workflows, and Luna is the fastest and most economical model targeting high-frequency, large-batch tasks.79% 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.76% 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.76% similarUnverifiedThe GPT-5.6 series includes three models with different positioning: SOL (flagship) emphasizes maximum performance, TERRA (balanced) targets everyday work scenarios, and LUNA (speed) pursues response speed and cost-effectiveness.74% similar
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