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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 $0.577 vs $6.213. Gemini 3.6 Flash (medium) is faster at 14.03s vs 29.67s, with pass rates of 95.7% vs 97.1%.

Last updated at: 2026-10-19

Compared models

Rank
#10
Total Output Tokens
116,124
Response Time (avg)
14.03s
Total Cost
$0.577
Rank
#8
Total Output Tokens
90,095
Response Time (avg)
29.67s
Total Cost
$6.213
Recommended model Gemini 3.6 Flash (medium)

Its score stays close to the best score here (9.8 vs 9.9), while costing about 10.8x 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 #10 #8
Reliability 10.0 9.9
Consistency 9.3 9.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 95.7% 97.1%
Flaky tests 2 1
Total Runs 69 69
Cost per result 4.619 28.237
Total Cost $0.577 $6.213
Input Price $0.750 / 1M $10.000 / 1M
Output Price $3.750 / 1M $50.000 / 1M
Cache Read Price $0.075 / 1M $1.000 / 1M
Cache Write Price $0.042 / 1M $12.500 / 1M
Total Input Tokens 188,003 170,731
Output Tokens 2,914 5,865
Reasoning Tokens 113,210 84,230
Response Time (avg) 14.03s 29.67s
Response Time (max) 77.15s 381.11s
Response Time (total) 322.73s 682.42s
Parameters ~500B total (~20B 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.

#10 Gemini 3.6 Flash

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

#8 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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