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DeepSeek: DeepSeek V4 Flash vs Mistral: Mistral Small 4

Summary

DeepSeek V4 Flash vs Mistral Small 4 benchmark comparison: Mistral Small 4 leads on average score with 5.3 vs 5.0. DeepSeek V4 Flash has the lower benchmark cost at $0.008 vs $0.068. Mistral Small 4 is faster at 9.40s vs 26.75s, with pass rates of 30.2% vs 44.4%.

Recommended model: DeepSeek V4 Flash - Its score stays close to the best score here (5.0 vs 5.3), while costing about 8.8x less than Mistral Small 4.

Last updated at: 2026-06-04

Metric DeepSeek V4 Flash DeepSeek V4 Flash none Release: 2026-04-24 Mistral Small 4 Mistral Small 4 medium Release: 2026-03-16
Score 5.0 5.3
Rank #139 #132
Reliability 10.0 10.0
Consistency 8.9 6.9
Tests Correct
Attempt pass rate 30.2% 44.4%
Flaky tests 3 8
Total Runs 63 63
Cost per result 0.203 1.344
Total Cost $0.008 $0.068
Input Price $0.099 / 1M $0.150 / 1M
Output Price $0.197 / 1M $0.600 / 1M
Total Input Tokens 50,127 42,576
Output Tokens 13,710 24,184
Reasoning Tokens 0 84,678
Response Time (avg) 26.75s 9.40s
Response Time (max) 111.96s 59.15s
Response Time (total) 561.82s 197.39s

Generation showcase

Hamster playing table tennis

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

#139 DeepSeek V4 Flash

none
Cost
$0.004
Time
157.6s
Tokens
11,297 tok

#132 Mistral Small 4

medium
Cost
$0.006
Time
47.9s
Tokens
9,857 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 3.0 10.0 0.0% 0 20.18s 540 174 0
Mistral Small 4 5.6 3.8 66.7% 3 2.67s 708 4,055 4,778
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 4.2 7.4 11.1% 1 17.13s 7,279 9,717 0
Mistral Small 4 4.4 5.1 33.3% 2 39.98s 7,636 11,635 54,715
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 4.5 2.1 66.7% 1 111.96s 24,398 2,664 0
Mistral Small 4 3.0 10.0 0.0% 0 25.25s 18,706 2,612 10,700
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 23.79s 7,290 195 0
Mistral Small 4 7.3 5.9 83.3% 1 1.23s 6,171 335 723
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 5.3 10.0 33.3% 0 19.73s 666 18 0
Mistral Small 4 5.3 7.2 44.4% 1 6.11s 742 2,621 6,904
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 4.2 9.9 0.0% 0 23.74s 471 67 0
Mistral Small 4 4.8 10.0 0.0% 0 2.05s 519 821 828
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 6.5 10.0 50.0% 0 17.54s 627 321 0
Mistral Small 4 7.3 5.8 83.3% 1 1.38s 729 540 1,031
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 3.1 7.3 11.1% 1 23.72s 594 207 0
Mistral Small 4 3.4 9.7 0.0% 0 2.17s 735 1,226 2,632
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 77.93s 8,079 327 0
Mistral Small 4 10.0 10.0 100.0% 0 3.50s 6,420 321 810
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 3.0 10.0 0.0% 0 3.07s 183 20 0
Mistral Small 4 3.0 10.0 0.0% 0 5.92s 210 18 1,557

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