Cohere Command A vs Command R+ in 2026: should you migrate? (256K context, throughput, cost)
Cohere Command A is a 111B open-weights model with a 256K context, 150% higher throughput than Command R+, and the same $2.50/$10 rate card. A 2026 migration guide, plus where Cohere fits against GPT-5.6 and Claude.