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Gemini 3 Flash Preview (medium) vs GPT-6 Astra (medium)

Gemini 3 Flash Preview (medium) leads on average score with 9.5 vs 9.4. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.763 vs $1.774. GPT-6 Astra (medium) is faster at 8.08s vs 19.86s, with pass rates of 93.9% vs 90.9%.

Last updated at: 2026-09-04

Rank
#10
Total Output Tokens
239,608
Response Time (avg)
19.86s
Total Cost
$0.763
Rank
#14
Total Output Tokens
19,627
Response Time (avg)
8.08s
Total Cost
$1.774
Recommended model Gemini 3 Flash Preview (medium)

It has the best score here (9.5), while costing about 2.3x less than GPT-6 Astra (medium).

Detailed comparison

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 GPT-6 Astra GPT-6 Astra medium Release: 2026-09-04
Score 9.5 9.4
Rank #10 #14
Reliability 10.0 9.9
Consistency 9.7 9.2
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 93.9% 90.9%
Flaky tests 1 2
Total Runs 66 66
Cost per result 3.814 9.337
Total Cost $0.763 $1.774
Input Price $0.500 / 1M $10.000 / 1M
Output Price $3.000 / 1M $50.000 / 1M
Total Input Tokens 87,870 79,264
Output Tokens 5,486 4,789
Reasoning Tokens 234,122 14,838
Response Time (avg) 19.86s 8.08s
Response Time (max) 117.26s 73.48s
Response Time (total) 436.88s 177.70s
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.

#10 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
18.4s
Tokens
3,351 tok

#14 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
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084
GPT-6 Astra 10.0 10.0 100.0% 0 4.95s 7,302 394 1,673

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