What the Haiku 5.5 vs GPT-6.1 Sol numbers changed about how I route my own tasks
This story is from 2026-10-08. It is preserved in the archive; the latest stories are on the live feed.
Haiku 5.5 and GPT-6.1 Sol shipped three weeks apart, and the headline number makes the choice look settled. For prompts under 100K tokens, Claude Haiku 5.5 costs $0.10 per million input tokens and $0.50 per million output tokens. GPT-6.1 Sol costs $2 and $10 for the same units, 20 times more. That…
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- 2026-10-08 17:44 · DEV Community — Machine Learning
What the Haiku 5.5 vs GPT-6.1 Sol numbers changed about how I route my own tasks