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Gemini 3.6 Flash (medium) vs GPT-6 Astra (xhigh)

GPT-6 Astra (xhigh) leads on average score with 9.9 vs 9.8. Gemini 3.6 Flash (medium) has the lower benchmark cost at $0.427 vs $5.156. Gemini 3.6 Flash (medium) is faster at 11.86s vs 28.44s, with pass rates of 95.5% vs 97.0%.

Last updated at: 2026-09-04

Rank
#7
Total Output Tokens
100,876
Response Time (avg)
11.86s
Total Cost
$0.427
Rank
#5
Total Output Tokens
87,183
Response Time (avg)
28.44s
Total Cost
$5.156
Recommended model Gemini 3.6 Flash (medium)

Its score stays close to the best score here (9.8 vs 9.9), while costing about 12.1x less than GPT-6 Astra (xhigh).

Detailed comparison

Metric Gemini 3.6 Flash Gemini 3.6 Flash medium Release: 2026-07-21 GPT-6 Astra GPT-6 Astra xhigh Release: 2026-09-04
Score 9.8 9.9
Rank #7 #5
Reliability 10.0 9.9
Consistency 9.2 9.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 95.5% 97.0%
Flaky tests 2 1
Total Runs 66 66
Cost per result 4.101 24.552
Total Cost $0.427 $5.156
Input Price $0.750 / 1M $10.000 / 1M
Output Price $3.750 / 1M $50.000 / 1M
Total Input Tokens 64,446 79,662
Output Tokens 1,974 5,055
Reasoning Tokens 98,902 82,128
Response Time (avg) 11.86s 28.44s
Response Time (max) 77.15s 381.11s
Response Time (total) 260.96s 625.68s
Parameters ~500B total (~20B 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.

#7 Gemini 3.6 Flash

medium
Cost
$0.095
Time
49.9s
Tokens
12,664 tok

#5 GPT-6 Astra

xhigh
Cost
$0.694
Time
257.5s
Tokens
13,964 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
Gemini 3.6 Flash 10.0 10.0 100.0% 0 14.81s 8,124 444 31,421
GPT-6 Astra 10.0 10.0 100.0% 0 8.27s 7,302 396 4,031

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