Advertise here
#254

DeepSeek V4 Flash 0731

DeepSeek Release: 2026-08-01 Tested on: 2026-08-14 03:00 deepseek/deepseek-v4-flash-0731::none
284B total (13B active)MoEClosed
(high) (medium) (low) (none)

Summary

DeepSeek V4 Flash 0731 scores 5.4 on AI BENCHY and ranks #254. It has 10.0 reliability, a 27.3% pass rate, $0.011 total cost, and 20.72s average response time.

What makes DeepSeek V4 Flash 0731 unique: It stands out most in Domain specific, where it ranks #2, while General Intelligence is its weakest area at #12.

Model facts

Researched on 2026-08-12

Reported
Parameters
284B total (13B active)
Architecture
MoE
Availability
Closed
License
-

Family size is reported; no exact public 0731 checkpoint was found.

Parameter source Availability source

Score

5.4

Consistency

8.6

Reliability

10.0

Total Cost (Current Price)

$0.011 ↓ -47.3%

Tested at: $0.021

Total Output Tokens

25,426

Total Input Tokens

94,566

Input Price

$0.065 / 1M

Output Price

$0.180 / 1M

Tests Correct

Wrong Tests: 18

Attempt pass rate: 27.3%

Flaky tests

4

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

20.72s

Response Time (max): 387.15s

Response Time (total): 455.81s

Wrong answer: 13 Did not follow instructions: 2 Invalid tool call: 2 Extra formatting: 1

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#254 DeepSeek V4 Flash 0731

none
Cost
$0.004
Time
198.4s
Tokens
14,316 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 03:00 Re-test 5.4 10.0 $0.011 ↓ Current run
2026-08-01 02:35 Initial run 5.4 10.0 $0.021 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-08-02 09:23 $0.090 / 1M $0.180 / 1M
2026-08-11 09:41 $0.080 / 1M $0.180 / 1M
2026-08-14 12:51 $0.140 / 1M $0.280 / 1M
2026-09-08 21:53 $0.065 / 1M $0.180 / 1M

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

DeepSeek V4 Flash 0731nonevsKimi K2.5noneDeepSeek V4 Flash 0731nonevsLaguna S 2.1highFree AvailableDeepSeek V4 Flash 0731nonevsMiMo-V2.5-PrononeDeepSeek V4 Flash 0731nonevsInkling SmallnoneDeepSeek V4 Flash 0731nonevsGPT-5.6 LunanoneDeepSeek V4 Flash 0731nonevsLaguna XS 2.1noneFree AvailableDeepSeek V4 Flash 0731nonevsKAT-Coder-Air V2.5lowDeepSeek V4 Flash 0731nonevsSeed-2.0-CodenoneDeepSeek V4 Flash 0731nonevsLaguna S 2.1mediumFree AvailableDeepSeek V4 Flash 0731nonevsLing-2.6-1Tnone

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 3.4 8.3
Coding 4.3 10.0
Combined 3.7 1.8
Data parsing and extraction 10.0 10.0
Domain specific 5.3 10.0
General Intelligence 4.4 9.9
Instructions following 5.0 6.8
Puzzle Solving 3.2 9.9
Tool Calling 9.5 10.0
Trivia 3.0 10.0

Compared models