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DeepSeek V4 Flash 0731 vs Grok 4.20 (medium)

Grok 4.20 (medium) leads on average score with 6.3 vs 6.2. DeepSeek V4 Flash 0731 has the lower benchmark cost at $0.055 vs $1.582. DeepSeek V4 Flash 0731 is faster at 27.42s vs 36.73s, with pass rates of 30.4% vs 58.0%.

Last updated at: 2026-10-01

Compared models

Rank
#229
Total Output Tokens
39,789
Response Time (avg)
27.42s
Total Cost
$0.055
Rank
#224
Total Output Tokens
302,087
Response Time (avg)
36.73s
Total Cost
$1.582
Recommended model Grok 4.20 (medium)

It has the strongest score in this comparison (6.3) and the best overall balance of cost and response time across all 2 models.

Detailed comparison

Metric DeepSeek V4 Flash 0731 DeepSeek V4 Flash 0731 none Release: 2026-08-01 Grok 4.20 Grok 4.20 medium Release: 2026-03-31
Score 6.2 6.3
Rank #229 #224
Reliability 10.0 10.0
Consistency 8.7 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 30.4% 58.0%
Flaky tests 4 5
Total Runs 69 69
Cost per result 0.826 14.374
Total Cost $0.055 $1.582
Input Price $0.010 / 1M $1.250 / 1M
Output Price $1.280 / 1M $2.500 / 1M
Total Input Tokens 349,876 392,127
Output Tokens 39,789 7,754
Reasoning Tokens 0 294,333
Response Time (avg) 27.42s 36.73s
Response Time (max) 387.15s 199.66s
Response Time (total) 630.70s 844.68s
Parameters 284B total (13B active) ~1T total (~100B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#229 DeepSeek V4 Flash 0731

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

#224 SpaceXAI: Grok 4.20

medium
Cost
$0.041
Time
110.3s
Tokens
16,336 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 0731 4.3 10.0 0.0% 0 1.72s 7,275 505 0
Grok 4.20 6.3 6.6 55.6% 1 109.93s 8,307 268 103,150

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