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Gemini 3.5 Flash (medium) vs GPT-5.6 Terra (low)

GPT-5.6 Terra (low) leads on average score with 7.9 vs 7.9. GPT-5.6 Terra (low) has the lower benchmark cost at $0.645 vs $1.316. GPT-5.6 Terra (low) is faster at 7.58s vs 11.78s, with pass rates of 81.2% vs 75.4%.

Last updated at: 2026-10-01

Compared models

Rank
#101
Total Output Tokens
96,655
Response Time (avg)
11.78s
Total Cost
$1.316
Rank
#95
Total Output Tokens
24,213
Response Time (avg)
7.58s
Total Cost
$0.645
Recommended model GPT-5.6 Terra (low)

It has the best score here (7.9), while costing about 2.0x less than Gemini 3.5 Flash (medium).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash medium Release: 2026-05-19 GPT-5.6 Terra GPT-5.6 Terra low Release: 2026-07-09
Score 7.9 7.9
Rank #101 #95
Reliability 10.0 10.0
Consistency 9.3 8.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 75.4%
Flaky tests 2 6
Total Runs 69 69
Cost per result 7.306 5.277
Total Cost $1.316 $0.645
Input Price $1.500 / 1M $2.000 / 1M
Output Price $9.000 / 1M $12.000 / 1M
Total Input Tokens 296,760 176,890
Output Tokens 4,371 5,688
Reasoning Tokens 92,284 18,525
Response Time (avg) 11.78s 7.58s
Response Time (max) 84.47s 54.57s
Response Time (total) 271.03s 174.39s
Parameters ~500B total (~20B 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.

#101 Gemini 3.5 Flash

medium
Cost
$0.201
Time
112.9s
Tokens
22,371 tok

#95 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
Gemini 3.5 Flash 7.9 7.5 77.8% 1 12.63s 8,118 461 24,939
GPT-5.6 Terra 6.6 4.6 77.8% 2 9.56s 7,302 429 6,821

Quick Compare

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