DeepSeek-V4.1-Flash: Pushing the Limits of KV Cache Compression

Benchmark Model Rank Results
agents-on-agents-last-exam-ale-cliDeepSeek-V4.1-Flash-1017#1Pass Rate: 35.4
agents-on-agents-last-exam-ale-cliDeepSeek-V4.1-Flash Max#2Pass Rate: 31.8
agents-on-automationbench-publicDeepSeek-V4.1-Flash-1017#1Success Rate: 60.5
agents-on-automationbench-publicDeepSeek-V4.1-Flash Max#2Success Rate: 54.8
code-generation-on-nl2repoDeepSeek-V4.1-Flash-1017#1Accuracy: 68.2
code-generation-on-nl2repoDeepSeek-V4.1-Flash Max#2Accuracy: 65.4
code-generation-on-terminal-bench-2-1DeepSeek-V4.1-Flash Max (DeepSeek Harness (Minimal))#1Accuracy: 90.6
mathematical-reasoning-on-aime-2026DeepSeek-V4.1-Flash Max#1Accuracy: 100.0
vulnerability-reproduction-on-cybergymDeepSeek-V4.1-Flash Max (DeepSeek Harness (Minimal))#1Success Rate: 88.1
code-generation-on-deepsweDeepSeek-V4.1-Flash-1017 (Mini-SWE-V2)#2Pass@1: 0.77
code-generation-on-deepsweDeepSeek-V4.1-Flash Max (mini-SWE)#3Pass@1: 0.742
chart-question-answering-on-chartographyDeepSeek-V4.1-Flash-1017 (w/ tools)#3Pass@1: 0.83
chart-question-answering-on-chartographyDeepSeek-V4.1-Flash (with tools, max effort)#4Pass@1: 0.789
code-generation-on-terminal-bench-3-0DeepSeek-V4.1-Flash Max (DeepSeek Harness (Minimal))#4Accuracy: 30.0
multi-task-language-understanding-on-mgsmDeepSeek-V4.1-Flash Base#5Average (%): 80.2
code-generation-on-terminal-bench-4-0DeepSeek-V4.1-Flash-1017 (Claude Code)#6Accuracy: 42.3
code-generation-on-terminal-bench-4-0DeepSeek-V4.1-Flash Max (DeepSeek Harness (Minimal))#8Accuracy: 31.2
multiple-choice-question-answering-mcqa-on-gpqa-diamondDeepSeek-V4.1-Flash Max#9Accuracy: 90.9
code-generation-on-programbenchDeepSeek-V4.1-Flash Max (DeepSeek Harness (Minimal))#12Almost Resolved: 20.3
code-generation-on-programbenchDeepSeek-V4.1-Flash-1017#13Almost Resolved: 29.1
long-context-understanding-on-longbench-v2DeepSeek-V4.1-Flash Base#16Accuracy: 45.2
sentence-completion-on-hellaswagDeepSeek-V4.1-Flash Base#25Accuracy: 87.2
arithmetic-reasoning-on-gsm8kDeepSeek-V4.1-Flash Base#43Accuracy: 93.0
math-word-problem-solving-on-mathDeepSeek-V4.1-Flash Base#49Accuracy: 61.1
multi-task-language-understanding-on-mmlu-proDeepSeek-V4.1-Flash Base#60Accuracy: 74.1
code-generation-on-humanevalDeepSeek-V4.1-Flash Base#62Pass@1: 79.4