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Claude Opus 5 (medium) vs GPT-6.1 Terra (max)

GPT-6.1 Terra (max) leads on average score with 9.4 vs 9.4. GPT-6.1 Terra (max) has the lower benchmark cost at $2.209 vs $2.870. Claude Opus 5 (medium) is faster at 13.24s vs 66.42s, with pass rates of 84.1% vs 89.9%.

Last updated at: 2026-10-26

Compared models

Rank
#31
Total Output Tokens
43,450
Response Time (avg)
13.24s
Total Cost
$2.870
Rank
#27
Total Output Tokens
391,441
Response Time (avg)
66.42s
Total Cost
$2.209
Recommended model Claude Opus 5 (medium)

Its score stays close to the best score here (9.4 vs 9.4), while responding about 5.0x faster than GPT-6.1 Terra (max).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 medium Release: 2026-07-25 GPT-6.1 Terra GPT-6.1 Terra max Release: 2026-10-26
Score 9.4 9.4
Rank #31 #27
Reliability 10.0 10.0
Consistency 9.6 9.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 84.1% 89.9%
Flaky tests 1 3
Total Runs 69 69
Cost per result 15.102 11.623
Total Cost $2.870 $2.209
Input Price $5.000 / 1M $1.000 / 1M
Output Price $25.000 / 1M $5.000 / 1M
Cache Read Price $0.500 / 1M $0.050 / 1M
Cache Write Price $6.250 / 1M $1.250 / 1M
Total Input Tokens 356,605 250,989
Output Tokens 26,715 5,610
Reasoning Tokens 17,041 385,831
Response Time (avg) 13.24s 66.42s
Response Time (max) 78.80s 723.45s
Response Time (total) 304.46s 1527.58s
Parameters ~5T total (~500B active) ~1T total (~60B 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.

#31 Claude Opus 5

medium
Cost
$0.125
Time
69.3s
Tokens
5,134 tok

#27 GPT-6.1 Terra

max
Cost
$0.183
Time
406.4s
Tokens
36,629 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
Claude Opus 5 10.0 10.0 100.0% 0 9.56s 10,590 5,224 1,162
GPT-6.1 Terra 10.0 10.0 100.0% 0 44.32s 7,302 390 34,227

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