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GPT-6.1 Terra (max) vs GPT-6 Astra (medium)

GPT-6 Astra (medium) leads on average score with 9.5 vs 9.4. GPT-6.1 Terra (max) has the lower benchmark cost at $2.209 vs $2.707. GPT-6 Astra (medium) is faster at 9.90s vs 66.42s, with pass rates of 89.9% vs 91.3%.

Last updated at: 2026-10-26

Compared models

Rank
#27
Total Output Tokens
391,441
Response Time (avg)
66.42s
Total Cost
$2.209
Rank
#23
Total Output Tokens
21,045
Response Time (avg)
9.90s
Total Cost
$2.707
Recommended model GPT-6 Astra (medium)

It has the best score here (9.5), while responding about 6.7x faster than GPT-6.1 Terra (max).

Detailed comparison

Metric GPT-6.1 Terra GPT-6.1 Terra max Release: 2026-10-26 GPT-6 Astra GPT-6 Astra medium Release: 2026-09-04
Score 9.4 9.5
Rank #27 #23
Reliability 10.0 9.9
Consistency 9.0 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 89.9% 91.3%
Flaky tests 3 2
Total Runs 69 69
Cost per result 11.623 13.535
Total Cost $2.209 $2.707
Input Price $1.000 / 1M $10.000 / 1M
Output Price $5.000 / 1M $50.000 / 1M
Cache Read Price $0.050 / 1M $1.000 / 1M
Cache Write Price $1.250 / 1M $12.500 / 1M
Total Input Tokens 250,989 165,464
Output Tokens 5,610 5,591
Reasoning Tokens 385,831 15,454
Response Time (avg) 66.42s 9.90s
Response Time (max) 723.45s 73.48s
Response Time (total) 1527.58s 227.67s
Parameters ~1T total (~60B active) ~2T total (~150B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#27 GPT-6.1 Terra

max
Cost
$0.183
Time
406.4s
Tokens
36,629 tok

#23 GPT-6 Astra

medium
Cost
$0.231
Time
81.0s
Tokens
4,708 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-6.1 Terra 10.0 10.0 100.0% 0 44.32s 7,302 390 34,227
GPT-6 Astra 10.0 10.0 100.0% 0 4.95s 7,302 394 1,673

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