GPT-6.1 Sol replaces GPT-6 Sol after just 7 days, with near-Astra intelligence
4 hours ago
- GPT-6.1 Sol replaces GPT-6 Sol after just 7 days, scoring 1 point below GPT-6 Astra in intelligence at less than a quarter of the cost per task.
- It achieves near-Astra intelligence with gains of 4 points vs GPT-6 Sol and 5 points vs GPT-5.6 Sol, particularly in agentic knowledge work.
- Pricing matches GPT-6 Sol at $2/$10 per million tokens, but cache read discount rises from 90% to 95%, lowering blended cost.
- GPT-6.1 Sol pushes cost efficiency frontier, costing $0.72 per Intelligence Index task vs $3.26 for GPT-6 Astra.
- Token efficiency improves with low and medium efforts being Pareto optimal, though output tokens increase by 10-30% vs GPT-6 Sol.
- Gains of 3 points in Coding Agent Index, surpassing GPT-6 Sol and sitting 2 points below GPT-6 Astra.
- AA-Omniscience Accuracy jumps 8 points with hallucination rate dropping from 60% to 54%.
- AA-Briefcase improves by ~80 Elo due to rubric scores and Analytical Quality, but Presentation Elo slightly falls.