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

The average score is effectively tied at 9.4 vs 9.3. GPT-6.1 Terra (xhigh) has the lower benchmark cost at $0.789 vs $4.524. GPT-6.1 Terra (xhigh) is faster at 23.65s vs 25.31s, with pass rates of 82.6% vs 88.4%.

Last updated at: 2026-10-26

Compared models

Rank
#30
Total Output Tokens
105,662
Response Time (avg)
25.31s
Total Cost
$4.524
Rank
#32
Total Output Tokens
121,002
Response Time (avg)
23.65s
Total Cost
$0.789
Recommended model GPT-6.1 Terra (xhigh)

It has the best score here (9.3), while costing about 5.7x less than Claude Opus 5 (high).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 high Release: 2026-07-25 GPT-6.1 Terra GPT-6.1 Terra xhigh Release: 2026-10-26
Score 9.4 9.3
Rank #30 #32
Reliability 10.0 10.0
Consistency 10.0 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 82.6% 88.4%
Flaky tests 0 4
Total Runs 69 69
Cost per result 23.809 4.379
Total Cost $4.524 $0.789
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 376,421 183,057
Output Tokens 67,688 5,490
Reasoning Tokens 37,974 115,512
Response Time (avg) 25.31s 23.65s
Response Time (max) 159.01s 236.28s
Response Time (total) 582.11s 543.86s
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.

#30 Claude Opus 5

high
Cost
$0.265
Time
144.5s
Tokens
10,741 tok

#32 GPT-6.1 Terra

xhigh
Cost
$0.050
Time
109.1s
Tokens
9,926 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 12.73s 10,590 7,547 1,721
GPT-6.1 Terra 10.0 10.0 100.0% 0 15.91s 7,302 387 11,030

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