Opus 5.5 vs DeepSeek V4.1 Flash-1017: 20 min for $6 vs 60 min for $0.23

Hands-on comparison: on the same task Opus 5.5 took 20 minutes and cost $6, while DeepSeek V4.1 Flash-1017 took 60 minutes and cost $0.23 — about 26x cheaper, with a quality gap smaller than expected.

Andy L

@AndyL5ccArchived 12 days agoOriginally posted 2026.10.18