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Claude Opus 4.7 (medium) vs GPT-5.6 Terra (low)

Claude Opus 4.7 (medium) leads on average score with 8.1 vs 7.9. GPT-5.6 Terra (low) has the lower benchmark cost at $0.645 vs $3.636. GPT-5.6 Terra (low) is faster at 7.58s vs 14.12s, with pass rates of 81.2% vs 75.4%.

Last updated at: 2026-10-01

Compared models

Rank
#88
Total Output Tokens
57,978
Response Time (avg)
14.12s
Total Cost
$3.636
Rank
#95
Total Output Tokens
24,213
Response Time (avg)
7.58s
Total Cost
$0.645
Recommended model GPT-5.6 Terra (low)

Its score stays close to the best score here (7.9 vs 8.1), while costing about 5.6x less than Claude Opus 4.7 (medium).

Detailed comparison

Metric Claude Opus 4.7 Claude Opus 4.7 medium Release: 2026-04-16 GPT-5.6 Terra GPT-5.6 Terra low Release: 2026-07-09
Score 8.1 7.9
Rank #88 #95
Reliability 10.0 10.0
Consistency 9.3 8.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 75.4%
Flaky tests 2 6
Total Runs 69 69
Cost per result 20.200 5.277
Total Cost $3.636 $0.645
Input Price $5.000 / 1M $2.000 / 1M
Output Price $25.000 / 1M $12.000 / 1M
Total Input Tokens 437,293 176,890
Output Tokens 29,102 5,688
Reasoning Tokens 28,876 18,525
Response Time (avg) 14.12s 7.58s
Response Time (max) 150.60s 54.57s
Response Time (total) 310.55s 174.39s
Parameters ~5T total (~500B active) ~1T total (~60B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#88 Claude Opus 4.7

medium
Cost
$0.059
Time
26.8s
Tokens
2,475 tok

#95 GPT-5.6 Terra

low
Cost
$0.034
Time
16.8s
Tokens
2,348 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 4.7 7.6 7.2 77.8% 1 12.96s 10,635 7,629 1,114
GPT-5.6 Terra 6.6 4.6 77.8% 2 9.56s 7,302 429 6,821

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