Charted: best-value AI subscriptions under $20, ranked by cost per task on AA Index v5.0
popiazaza · reddit · 2026-10-31
A Reddit user mapped AI subscription plans under $20/month onto a cost-per-task chart based on Artificial Analysis Intelligence Index v5.0, showing API-equivalent value per plan.
Key takeaways:
- Claude Pro dominates the Pareto frontier at the high end: Claude Opus 5.5 (Xhigh/Max) scores 57-58, while Claude Haiku 5.5 tiers anchor the low-cost region.
- ChatGPT Plus fields GPT-6.1 Sol (Xhigh) at 52, with the GPT-6.1 Terra/Sol family spanning the mid-range.
- DeepSeek V4.1 Flash, GLM-5.3, MiniMax-M3.1-Flash and Xiaomi's MiMo v2 models cluster in the low-cost, lower-score region, with GLM-5.3 cheapest overall.
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