DeepSeek17 Oct 2026Model

DeepSeek-V4.1-Flash-1017

Made by: DeepSeek
Released: 17 Oct 2026
Announced in: DeepSeek-V4.1-Flash-1017: Wish-Driven Programming Made Realapi-docs.deepseek.com
Event: DeepSeek-V4.1-Flash-1017
API record: /api/v1/models/deepseek-v4-1-flash-1017

Benchmark results

Benchmark	Score	Source check
Humanity's Last ExamNo tools · full set	42.6%	Corroborated The same number is printed in 1 other lab document: 1
text-only subset	44.0%	Corroborated The same number is printed in 1 other lab document: 1
Terminal-Bench 4.0Claude Code harness	42.3%	Checked A person checked this number against its source on 17 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.
AutomationBenchAutomationBench v1.0.6	60.5%	Corroborated The same number is printed in 1 other lab document: 1
DeepSWE v1.1Mini-SWE-V2 harness, max effort	77.0%	Checked A person checked this number against its source on 17 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced.

Sources

Reported by DeepSeek