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GPT-5.6 Terra vs Qwen3.5-Flash

The average score is effectively tied at 6.0 vs 6.0. Qwen3.5-Flash has the lower benchmark cost at $0.073 vs $0.280. GPT-5.6 Terra is faster at 1.66s vs 25.28s, with pass rates of 42.4% vs 34.9%.

Last updated at: 2026-08-20

Rank
#184
Total Output Tokens
6,221
Response Time (avg)
1.66s
Total Cost
$0.280
Rank
#187
Total Output Tokens
209,201
Response Time (avg)
25.28s
Total Cost
$0.073
Recommended model GPT-5.6 Terra

It has the best score here (6.0), while responding about 15.2x faster than Qwen3.5-Flash.

Detailed comparison

Metric GPT-5.6 Terra GPT-5.6 Terra none Release: 2026-07-09 Qwen3.5-Flash Qwen3.5-Flash none Release: 2026-02-24
Score 6.0 6.0
Rank #184 #187
Reliability 10.0 10.0
Consistency 8.9 9.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 42.4% 34.9%
Flaky tests 3 2
Total Runs 66 66
Cost per result 4.356 1.066
Total Cost $0.280 $0.073
Input Price $2.000 / 1M $0.065 / 1M
Output Price $12.000 / 1M $0.260 / 1M
Total Input Tokens 102,268 282,356
Output Tokens 6,221 209,201
Reasoning Tokens 0 0
Response Time (avg) 1.66s 25.28s
Response Time (max) 10.07s 480.96s
Response Time (total) 36.54s 556.14s
Parameters ~1T total (~60B active) ~35B total (~3B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#184 GPT-5.6 Terra

none
Cost
$0.030
Time
14.7s
Tokens
2,082 tok

#187 Qwen3.5-Flash

none
Cost
$0.003
Time
47.4s
Tokens
7,799 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 5.5 10.0 33.3% 0 1.00s 7,302 336 0
Qwen3.5-Flash 5.5 10.0 33.3% 0 850ms 7,913 519 0

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