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

GPT-6 Astra (low) leads on average score with 9.6 vs 9.4. GPT-6 Astra (low) has the lower benchmark cost at $2.160 vs $2.870. GPT-6 Astra (low) is faster at 7.01s vs 13.24s, with pass rates of 84.1% vs 91.3%.

Last updated at: 2026-10-19

Compared models

Rank
#28
Total Output Tokens
43,450
Response Time (avg)
13.24s
Total Cost
$2.870
Rank
#14
Total Output Tokens
11,389
Response Time (avg)
7.01s
Total Cost
$2.160
Recommended model GPT-6 Astra (low)

It has the best score here (9.6), while responding about 1.9x 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 9.4 9.6
Rank #28 #14
Reliability 10.0 9.9
Consistency 9.6 10.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 84.1% 91.3%
Flaky tests 1 0
Total Runs 69 69
Cost per result 15.102 10.285
Total Cost $2.870 $2.160
Input Price $5.000 / 1M $10.000 / 1M
Output Price $25.000 / 1M $50.000 / 1M
Cache Read Price $0.500 / 1M $1.000 / 1M
Cache Write Price $6.250 / 1M $12.500 / 1M
Total Input Tokens 356,605 159,023
Output Tokens 26,715 4,935
Reasoning Tokens 17,041 6,454
Response Time (avg) 13.24s 7.01s
Response Time (max) 78.80s 49.16s
Response Time (total) 304.46s 161.20s
Parameters ~5T total (~500B active) ~2T total (~150B 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.

#28 Claude Opus 5

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

#14 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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