deepseek-v4.1POST

V4.1-Flash-1017 open weights: 77.0 on DeepSWE vs Opus 5's 74.0

The post cites vendor-reported DeepSWE v1.1 scores of 77.0 for the open-weight model versus 74.0 for Claude Opus 5 and 73.0 for GPT 5.6-Sol, urging self-testing first.

pcherkashin.x

@pcherkashinXArchived 12 days agoOriginally posted 2026.10.18

pcherkashin.x @pcherkashinXOriginally posted 2026.10.18

Open original on X

@lydiahallie DeepSeek V4.1-Flash-1017 is out with open weights and shorter answers. On DeepSWE v1.1 it scores 77.0, against 74.0 for Claude Opus 5 and 73.0 for GPT 5.6-Sol. Those are vendor numbers. I'd run it on my own tasks before switching. https://t.me/ai_machinelearning_big_data/11147

x.com/pcherkashinx/status/2111717677924303148Archived 2026.10.18 16:34