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Step 3.7 Flash (medium) vs Grok 4.5 (medium)

The average score is effectively tied at 7.8 vs 7.8. Step 3.7 Flash (medium) has the lower benchmark cost at $0.571 vs $2.996. Step 3.7 Flash (medium) is faster at 26.57s vs 68.44s, with pass rates of 68.1% vs 79.7%.

Last updated at: 2026-10-06

Compared models

Rank
#109
Total Output Tokens
440,835
Response Time (avg)
26.57s
Total Cost
$0.571
Rank
#107
Total Output Tokens
306,044
Response Time (avg)
68.44s
Total Cost
$2.996
Recommended model Step 3.7 Flash (medium)

It has the best score here (7.8), while costing about 5.2x less than Grok 4.5 (medium).

Detailed comparison

Metric Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29 Grok 4.5 Grok 4.5 medium Release: 2026-07-08
Score 7.8 7.8
Rank #109 #107
Reliability 10.0 10.0
Consistency 8.7 9.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 68.1% 79.7%
Flaky tests 4 3
Total Runs 69 69
Cost per result 4.392 14.430
Total Cost $0.571 $2.996
Input Price $0.200 / 1M $2.000 / 1M
Output Price $1.150 / 1M $6.000 / 1M
Cache Read Price $0.040 / 1M $0.300 / 1M
Cache Write Price N/A N/A
Total Input Tokens 319,524 308,369
Output Tokens 440,835 7,013
Reasoning Tokens 0 299,031
Response Time (avg) 26.57s 68.44s
Response Time (max) 152.83s 436.38s
Response Time (total) 611.09s 1574.14s
Parameters 198B total (11B active) ~1.7T total (~170B active)
Availability Open source Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#109 Step 3.7 Flash

medium
Cost
$0.006
Time
46.2s
Tokens
4,466 tok

#107 SpaceXAI: Grok 4.5

medium
Cost
$0.044
Time
59.4s
Tokens
7,512 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
Step 3.7 Flash 8.8 7.8 88.9% 1 27.42s 7,437 44,797 0
Grok 4.5 7.6 7.2 77.8% 1 155.69s 9,579 390 104,634

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