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GPT-6.1 Terra (medium) vs GPT-6 Sol (medium)

GPT-6.1 Terra (medium) leads on average score with 9.6 vs 9.5. GPT-6.1 Terra (medium) has the lower benchmark cost at $0.291 vs $0.703. GPT-6.1 Terra (medium) is faster at 7.99s vs 12.12s, with pass rates of 91.3% vs 94.2%.

Last updated at: 2026-10-26

Compared models

Rank
#17
Total Output Tokens
24,483
Response Time (avg)
7.99s
Total Cost
$0.291
Rank
#20
Total Output Tokens
31,387
Response Time (avg)
12.12s
Total Cost
$0.703
Recommended model GPT-6.1 Terra (medium)

It has the best score here (9.6), while costing about 2.4x less than GPT-6 Sol (medium).

Detailed comparison

Metric GPT-6.1 Terra GPT-6.1 Terra medium Release: 2026-10-26 GPT-6 Sol GPT-6 Sol medium Release: 2026-09-23
Score 9.6 9.5
Rank #17 #20
Reliability 10.0 10.0
Consistency 9.4 9.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 91.3% 94.2%
Flaky tests 2 1
Total Runs 69 69
Cost per result 1.452 3.348
Total Cost $0.291 $0.703
Input Price $1.000 / 1M $2.000 / 1M
Output Price $5.000 / 1M $10.000 / 1M
Cache Read Price $0.050 / 1M $0.200 / 1M
Cache Write Price $1.250 / 1M $2.500 / 1M
Total Input Tokens 167,830 194,520
Output Tokens 5,292 5,396
Reasoning Tokens 19,191 25,991
Response Time (avg) 7.99s 12.12s
Response Time (max) 44.91s 82.74s
Response Time (total) 183.79s 278.70s
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.

#17 GPT-6.1 Terra

medium
Cost
$0.018
Time
39.1s
Tokens
3,537 tok

#20 GPT-6 Sol

medium
Cost
$0.035
Time
36.9s
Tokens
3,493 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 5.32s 7,302 387 2,250
GPT-6 Sol 8.2 7.2 88.9% 1 11.78s 7,302 392 2,532

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