Navigate
Advertise here

GPT-5.4 Nano (medium) vs GPT-5.6 Terra (low)

The average score is effectively tied at 7.5 vs 7.5. GPT-5.4 Nano (medium) has the lower benchmark cost at $0.142 vs $0.420. GPT-5.6 Terra (low) is faster at 5.45s vs 13.32s, with pass rates of 65.2% vs 74.2%.

Last updated at: 2026-09-10

Compared models

Rank
#102
Total Output Tokens
99,881
Response Time (avg)
13.32s
Total Cost
$0.142
Rank
#103
Total Output Tokens
21,586
Response Time (avg)
5.45s
Total Cost
$0.420
Recommended model GPT-5.4 Nano (medium)

It has the best score here (7.5), while costing about 3.0x less than GPT-5.6 Terra (low).

Detailed comparison

Metric GPT-5.4 Nano GPT-5.4 Nano medium Release: 2026-03-17 GPT-5.6 Terra GPT-5.6 Terra low Release: 2026-07-09
Score 7.5 7.5
Rank #102 #103
Reliability 10.0 10.0
Consistency 8.5 7.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 65.2% 74.2%
Flaky tests 4 6
Total Runs 66 66
Cost per result 1.179 3.954
Total Cost $0.142 $0.420
Input Price $0.200 / 1M $2.000 / 1M
Output Price $1.250 / 1M $12.000 / 1M
Total Input Tokens 82,828 80,304
Output Tokens 7,100 4,714
Reasoning Tokens 92,781 16,872
Response Time (avg) 13.32s 5.45s
Response Time (max) 94.06s 19.85s
Response Time (total) 292.97s 119.83s
Parameters ~120B total (~5B active) ~1T total (~60B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#102 GPT-5.4 Nano

medium
Cost
$0.007
Time
24.6s
Tokens
4,943 tok

#103 GPT-5.6 Terra

low
Cost
$0.034
Time
16.8s
Tokens
2,348 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-5.4 Nano 6.1 4.7 66.7% 2 19.12s 7,305 516 20,778
GPT-5.6 Terra 6.6 4.6 77.8% 2 9.56s 7,302 429 6,821

Quick Compare

Switch Comparison Pair