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

GPT-5.6 Terra (medium) leads on average score with 8.2 vs 8.1. GPT-5.6 Terra (medium) has the lower benchmark cost at $0.483 vs $3.636. GPT-5.6 Terra (medium) is faster at 8.93s vs 14.12s, with pass rates of 81.2% vs 71.0%.

Last updated at: 2026-10-07

Compared models

Rank
#93
Total Output Tokens
57,978
Response Time (avg)
14.12s
Total Cost
$3.636
Rank
#89
Total Output Tokens
33,189
Response Time (avg)
8.93s
Total Cost
$0.483
Recommended model GPT-5.6 Terra (medium)

It has the best score here (8.2), while costing about 7.5x 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 medium Release: 2026-07-09
Score 8.1 8.2
Rank #93 #89
Reliability 10.0 10.0
Consistency 9.3 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 71.0%
Flaky tests 2 2
Total Runs 69 69
Cost per result 20.200 5.768
Total Cost $3.636 $0.483
Input Price $5.000 / 1M $2.000 / 1M
Output Price $25.000 / 1M $12.000 / 1M
Cache Read Price $0.500 / 1M $0.200 / 1M
Cache Write Price $6.250 / 1M $2.500 / 1M
Total Input Tokens 437,293 172,507
Output Tokens 29,102 5,824
Reasoning Tokens 28,876 27,365
Response Time (avg) 14.12s 8.93s
Response Time (max) 150.60s 54.74s
Response Time (total) 310.55s 205.39s
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.

#93 Claude Opus 4.7

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

#89 GPT-5.6 Terra

medium
Cost
$0.035
Time
16.3s
Tokens
2,418 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 6.1 7.2 55.6% 1 7.19s 7,302 427 4,527

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