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Step 3.7 Flash (medium) vs Inkling (high)

Inkling (high) leads on average score with 8.0 vs 7.9. Step 3.7 Flash (medium) has the lower benchmark cost at $0.495 vs $1.041. Step 3.7 Flash (medium) is faster at 23.51s vs 62.57s, with pass rates of 68.2% vs 77.3%.

Last updated at: 2026-08-29

Rank
#61
Total Output Tokens
409,709
Response Time (avg)
23.51s
Total Cost
$0.495
Rank
#52
Total Output Tokens
236,627
Response Time (avg)
62.57s
Total Cost
$1.041
Recommended model Step 3.7 Flash (medium)

Its score stays close to the best score here (7.9 vs 8.0), while costing about 2.1x less than Inkling (high).

Detailed comparison

Metric Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29 Inkling Inkling high Release: 2026-07-18
Score 7.9 8.0
Rank #61 #52
Reliability 10.0 10.0
Consistency 8.9 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 68.2% 77.3%
Flaky tests 3 3
Total Runs 66 66
Cost per result 3.801 6.968
Total Cost $0.495 $1.041
Input Price $0.200 / 1M $0.950 / 1M
Output Price $1.150 / 1M $4.050 / 1M
Total Input Tokens 114,191 86,755
Output Tokens 409,709 6,057
Reasoning Tokens 0 230,570
Response Time (avg) 23.51s 62.57s
Response Time (max) 152.83s 327.51s
Response Time (total) 517.21s 1376.46s
Parameters 198B total (11B active) 975B total (41B active)
Availability Open source Open source

Model generation showcase

Hamster playing table tennis

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

#61 Step 3.7 Flash

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

#52 Thinking Machines: Inkling

high
Cost
$0.005
Time
32.2s
Tokens
1,275 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
Inkling 8.5 10.0 66.7% 0 148.36s 7,374 430 78,982

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