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Claude Opus 5 (medium) vs GPT-6 Astra (low)

GPT-6 Astra (low) leads on average score with 9.5 vs 9.2. GPT-6 Astra (low) has the lower benchmark cost at $1.289 vs $1.586. GPT-6 Astra (low) is faster at 5.09s vs 10.26s, with pass rates of 83.3% vs 90.9%.

Last updated at: 2026-09-04

Rank
#21
Total Output Tokens
36,618
Response Time (avg)
10.26s
Total Cost
$1.586
Rank
#9
Total Output Tokens
10,144
Response Time (avg)
5.09s
Total Cost
$1.289
Recommended model GPT-6 Astra (low)

It has the best score here (9.5), while responding about 2.0x faster than Claude Opus 5 (medium).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 medium Release: 2026-07-25 GPT-6 Astra GPT-6 Astra low Release: 2026-09-04
Score 9.2 9.5
Rank #21 #9
Reliability 10.0 9.9
Consistency 9.6 10.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 90.9%
Flaky tests 1 0
Total Runs 66 66
Cost per result 8.811 6.441
Total Cost $1.586 $1.289
Input Price $5.000 / 1M $10.000 / 1M
Output Price $25.000 / 1M $50.000 / 1M
Total Input Tokens 135,604 78,100
Output Tokens 23,814 4,155
Reasoning Tokens 12,804 5,989
Response Time (avg) 10.26s 5.09s
Response Time (max) 35.43s 28.60s
Response Time (total) 225.66s 112.04s
Parameters ~5T total (~500B active) ~2T total (~150B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#21 Claude Opus 5

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

#9 GPT-6 Astra

low
Invalid SVG
Cost
$0.151
Time
48.9s
Tokens
3,094 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 Astra 10.0 10.0 100.0% 0 3.97s 7,302 388 976

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