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Gemini 3.8 Flash (high) vs GPT-6 Astra (low)

Gemini 3.8 Flash (high) leads on average score with 9.9 vs 9.5. GPT-6 Astra (low) has the lower benchmark cost at $1.289 vs $1.595. GPT-6 Astra (low) is faster at 5.09s vs 37.19s, with pass rates of 98.5% vs 90.9%.

Last updated at: 2026-09-04

Rank
#2
Total Output Tokens
408,188
Response Time (avg)
37.19s
Total Cost
$1.595
Rank
#9
Total Output Tokens
10,144
Response Time (avg)
5.09s
Total Cost
$1.289
Recommended model GPT-6 Astra (low)

Its score stays close to the best score here (9.5 vs 9.9), while responding about 7.3x faster than Gemini 3.8 Flash (high).

Detailed comparison

Metric Gemini 3.8 Flash Gemini 3.8 Flash high Release: 2026-09-02 GPT-6 Astra GPT-6 Astra low Release: 2026-09-04
Score 9.9 9.5
Rank #2 #9
Reliability 10.0 9.9
Consistency 9.6 10.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 98.5% 90.9%
Flaky tests 1 0
Total Runs 66 66
Cost per result 7.592 6.441
Total Cost $1.595 $1.289
Input Price $0.750 / 1M $10.000 / 1M
Output Price $3.750 / 1M $50.000 / 1M
Total Input Tokens 84,593 78,100
Output Tokens 10,517 4,155
Reasoning Tokens 397,671 5,989
Response Time (avg) 37.19s 5.09s
Response Time (max) 177.08s 28.60s
Response Time (total) 818.19s 112.04s
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.

#2 Gemini 3.8 Flash

high
Cost
$0.077
Time
129.1s
Tokens
20,373 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
Gemini 3.8 Flash 10.0 10.0 100.0% 0 29.30s 8,118 462 50,196
GPT-6 Astra 10.0 10.0 100.0% 0 3.97s 7,302 388 976

Quick Compare

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