GPT-5.6 Series Cost Efficiency Compared
ArtificialAnlys · x · 2026-07-11
Compares GPT-5.6 Sol / Terra / Luna with other leading models on intelligence vs. cost per task.
Key takeaways:
- Sol and Luna consistently outperform Terra across the board.
- GPT-5.6 Luna stands out for its exceptional cost efficiency.
- According to Artificial Analysis's Intelligence Index, the GPT-5.6 series continues to push GPT-5.5 further down the Pareto frontier across various reasoning effort levels.
Related event: GPT-5.6 Value Showdown: Luna and Sol Beat Terra(9 posts)→
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