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Gemini 3 Flash Preview (high) vs GPT-6 Luna Decisions (default)

GPT-6 Luna Decisions (default) leads on average score with 2.4 vs 1.8. GPT-6 Luna Decisions (default) has the lower benchmark cost at $0.005 vs $0.105. GPT-6 Luna Decisions (default) is faster at 495ms vs 52.45s, with pass rates of 4.4% vs 13.0%.

Last updated at: 2026-10-07

Compared models

Rank
#394
Total Output Tokens
12,557
Response Time (avg)
52.45s
Total Cost
$0.105
Rank
#390
Total Output Tokens
0
Response Time (avg)
495ms
Total Cost
$0.005
Recommended model GPT-6 Luna Decisions (default)

It has the best score here (2.4), while costing about 22.0x less than Gemini 3 Flash Preview (high).

Detailed comparison

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview high Release: 2025-12-17 GPT-6 Luna Decisions GPT-6 Luna Decisions default Release: 2026-10-07
Score 1.8 2.4
Rank #394 #390
Reliability 10.0 10.0
Consistency 0.4 5.2
Attempts 3/69 36/69
Tests Correct
Attempt pass rate 4.4% 13.0%
Flaky tests 0 0
Total Runs 3 36
Cost per result 10.470 0.159
Total Cost $0.105 $0.005
Input Price $0.500 / 1M $0.100 / 1M
Output Price $3.000 / 1M $0.000 / 1M
Cache Read Price $0.050 / 1M $0.000 / 1M
Cache Write Price $0.084 / 1M $0.000 / 1M
Total Input Tokens 134,050 47,583
Output Tokens 1,029 0
Reasoning Tokens 11,528 0
Response Time (avg) 52.45s 495ms
Response Time (max) 52.45s 842ms
Response Time (total) 52.45s 5.94s
Parameters ~500B total (~20B active) ~400B total (~17B 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.

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 0.0 0.0 0.0% 0 0ms 0 0 0
GPT-6 Luna Decisions 2.5 6.7 0.0% 0 447ms 22,197 0 0

Quick Compare

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Gemini 3 Flash PreviewhighvsD1defaultCommand A+lowvsGPT-6 Luna DecisionsdefaultCommand A+nonevsGPT-6 Luna DecisionsdefaultGemini 3 Flash PreviewhighvsKev 4BdefaultCommand A+highvsGPT-6 Luna DecisionsdefaultGemini 3 Flash PreviewhighvsJev 1.13defaultGemini 3 Flash PreviewhighvsSolar DecidedefaultGemini 3 Flash PreviewhighvsTev1 4B ExperimentaldefaultCommand A+mediumvsGPT-6 Luna DecisionsdefaultGPT-6 Luna DecisionsdefaultvsGrok 4.20noneCommand A+lowvsGemini 3 Flash PreviewhighCommand A+nonevsGemini 3 Flash Previewhigh