DeepSeek V4 FlashOpen

DeepSeek · released Jul 30, 2026

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows.

text1.0M ctxNot disclosed

42.0

Podium Score

#339 of 673

1438

Arena Elo

79 on Arena

113 t/s

Output Speed

$0.28/M

Output Price

$0.14/M in

1.0M

Context Window

Scores by Source

Arena.ai ↗

1438.0

#79 · 48.4k votes · ±4

Artificial Analysis ↗

Category Scores

100.0

99.2

62.0

51.8

41.2

38.0

35.3

22.0

12.5

Benchmark Results

91.6%

88.1%

86.2%

79%

Browsecomp

73.2%

69%

52.6%

49.9%

47.8%

45.1%

34.1%

Model Details

Release date	Jul 30, 2026
Parameters	Not disclosed
License	Open Weights
Context Window	1,000,000 tokens
Input Price	$0.14/M
Output Price	$0.28/M
Output Speed	113 t/s
Time to First Token	1 ms