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GPT-5.6 Terra (high) vs Step 3.7 Flash (medium)

The average score is effectively tied at 8.0 vs 7.9. Step 3.7 Flash (medium) has the lower benchmark cost at $0.495 vs $0.836. GPT-5.6 Terra (high) is faster at 11.22s vs 23.51s, with pass rates of 68.2% vs 68.2%.

Last updated at: 2026-08-20

Rank
#57
Total Output Tokens
56,088
Response Time (avg)
11.22s
Total Cost
$0.836
Rank
#60
Total Output Tokens
409,709
Response Time (avg)
23.51s
Total Cost
$0.495
Recommended model GPT-5.6 Terra (high)

It has the best score here (8.0), while responding about 2.1x faster than Step 3.7 Flash (medium).

Detailed comparison

Metric GPT-5.6 Terra GPT-5.6 Terra high Release: 2026-07-09 Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29
Score 8.0 7.9
Rank #57 #60
Reliability 10.0 10.0
Consistency 9.3 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 68.2% 68.2%
Flaky tests 2 3
Total Runs 66 66
Cost per result 7.293 3.801
Total Cost $0.836 $0.495
Input Price $2.000 / 1M $0.200 / 1M
Output Price $12.000 / 1M $1.150 / 1M
Total Input Tokens 81,056 114,191
Output Tokens 5,055 409,709
Reasoning Tokens 51,033 0
Response Time (avg) 11.22s 23.51s
Response Time (max) 91.49s 152.83s
Response Time (total) 246.77s 517.21s
Parameters ~1T total (~60B active) 198B total (11B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#57 GPT-5.6 Terra

high
Cost
$0.055
Time
30.2s
Tokens
3,748 tok

#60 Step 3.7 Flash

medium
Cost
$0.006
Time
46.2s
Tokens
4,466 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
GPT-5.6 Terra 7.6 7.2 77.8% 1 9.14s 7,302 370 6,087
Step 3.7 Flash 8.8 7.8 88.9% 1 27.42s 7,437 44,797 0

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