DeepSeek-V4-Flash-0731
is the official release of
DeepSeek-V4-Flash
, superseding the preview version, with substantially enhanced agentic capabilities. It has the same model structure as
DeepSeek-V4-Flash-DSpark
, i.e. it comes with a speculative decoding module attached.
DeepSeek-V4-Flash-0731 outperforms DeepSeek-V4-Pro (Preview) on benchmarks listed below despite its far smaller activated parameter count, and is broadly competitive with the strongest proprietary models available.
Benchmark
DeepSeek-V4-Flash-0731
DeepSeek-V4-Flash (Preview)
DeepSeek-V4-Pro (Preview)
GLM-5.2
Opus-4.8
Terminal Bench 2.1
82.7
61.8
72.1
81.0
85.0
NL2Repo
54.2
39.4
38.5
48.9
69.7
Cybergym
76.7
38.7
52.7
-
83.1
DeepSWE
54.4
7.3
12.8
46.2
58.0
Toolathlon-Verified
70.3
49.7
55.9
59.9
76.2
Agents' Last Exam
25.2
15.8
16.5
23.8
25.7
AutomationBench Public
25.1
10.8
12.8
12.9
27.2
DSBench-FullStack †
68.7
37.0
41.8
61.8
71.6
DSBench-Hard †
59.6
25.8
31.1
54.5
71.7
Notes:
For the Code Agent tasks among the public benchmarks above, DeepSeek-V4-Flash-0731 is evaluated with the minimal mode of DeepSeek Harness (to be released) as the agent framework, using the
max
reasoning effort level with
temperature = 1.0, top_p = 0.95
.
† DSBench-FullStack is an internal full-stack development test set; DSBench-Hard is an internal test set of difficult coding-agent problems.
License
This repository and the model weights are licensed under the
MIT License
.
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