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

GPT-6.1 Terra (high) leads on average score with 9.5 vs 9.4. GPT-6.1 Terra (high) has the lower benchmark cost at $0.396 vs $2.870. GPT-6.1 Terra (high) is faster at 11.18s vs 13.24s, with pass rates of 84.1% vs 88.4%.

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
#22
Total Output Tokens
44,429
Response Time (avg)
11.18s
Total Cost
$0.396
Recommended model GPT-6.1 Terra (high)

It has the best score here (9.5), while costing about 7.2x less than Claude Opus 5 (medium).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 medium Release: 2026-07-25 GPT-6.1 Terra GPT-6.1 Terra high Release: 2026-10-26
Score 9.4 9.5
Rank #31 #22
Reliability 10.0 10.0
Consistency 9.6 9.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 84.1% 88.4%
Flaky tests 1 1
Total Runs 69 69
Cost per result 15.102 1.979
Total Cost $2.870 $0.396
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 356,605 173,620
Output Tokens 26,715 5,456
Reasoning Tokens 17,041 38,973
Response Time (avg) 13.24s 11.18s
Response Time (max) 78.80s 66.34s
Response Time (total) 304.46s 257.10s
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

#22 GPT-6.1 Terra

high
Cost
$0.026
Time
58.2s
Tokens
5,189 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 7.25s 7,302 387 3,641

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