Verified75% confidenceBenchmarkExact time
GPT-6 Sol and GPT-6 Luna deliver strong performance at lower cost and have pushed the Pareto frontier on the OfficeQA Pro benchmark
3
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
9/24/2026
First Seen
Valid until: 12/23/2026
Sources
Related Entities
Related Claims
VerifiedThe 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.80% similarVerifiedGPT-5.6 Luna is the fast, low-cost version, targeting large-scale repetitive tasks such as bulk rewriting, content classification, customer service responses, and high-frequency API calls.78% similarVerifiedThe GPT-5.6 series achieves performance equal to or higher than Opus 4.8 and Fable 5 at a lower cost across multiple benchmarks.78% similarPartially VerifiedGPT-4.1 Sol is smarter than GPT-4 Sol but noticeably slower in token generation speed.77% similarVerifiedThe 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.76% similar
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