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

GPT-6 Astra (medium) leads on average score with 9.5 vs 9.4. GPT-6 Astra (medium) has the lower benchmark cost at $2.707 vs $4.524. GPT-6 Astra (medium) is faster at 9.90s vs 25.31s, with pass rates of 82.6% vs 91.3%.

Last updated at: 2026-10-19

Compared models

Rank
#27
Total Output Tokens
105,662
Response Time (avg)
25.31s
Total Cost
$4.524
Rank
#21
Total Output Tokens
21,045
Response Time (avg)
9.90s
Total Cost
$2.707
Recommended model GPT-6 Astra (medium)

It has the best score here (9.5), while costing about 1.7x less than Claude Opus 5 (high).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 high Release: 2026-07-25 GPT-6 Astra GPT-6 Astra medium Release: 2026-09-04
Score 9.4 9.5
Rank #27 #21
Reliability 10.0 9.9
Consistency 10.0 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 82.6% 91.3%
Flaky tests 0 2
Total Runs 69 69
Cost per result 23.809 13.535
Total Cost $4.524 $2.707
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 376,421 165,464
Output Tokens 67,688 5,591
Reasoning Tokens 37,974 15,454
Response Time (avg) 25.31s 9.90s
Response Time (max) 159.01s 73.48s
Response Time (total) 582.11s 227.67s
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.

#27 Claude Opus 5

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

#21 GPT-6 Astra

medium
Cost
$0.231
Time
81.0s
Tokens
4,708 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 Astra 10.0 10.0 100.0% 0 4.95s 7,302 394 1,673

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