NanoBanana 2
Run 1
4.0
$0.080
Run 2
4.0
$0.080
Run 3
4.0
$0.080
Pass@1
Yes
Pass@3
Yes
Usable Rate
100%
Cost / Usable
$0.080
3-Run BenchmarkUchiwa T2I Benchmark 2026methodology v1.0
同一プロンプト・同一目標アスペクト比・各モデルの標準品質設定で3回ずつ生成した結果を比較しています。Pass@1 は初回生成が使用可能だったか、Pass@3 は3回以内に1件以上使用可能な生成があったかを表します。
| 順位 | モデル | Pass@1 | Pass@3 | Usable Rate | Avg Score | Total Cost | Cost / Usable |
|---|---|---|---|---|---|---|---|
| 1 | NanoBanana 2 | Yes | Yes | 100% | 4.0 | $0.240 | $0.080 |
| 2 | GPT Image 2 | No | Yes | 33% | 3.6 | $0.240 | $0.240 |
| 3 | FLUX.2 [dev] | No | Yes | 67% | 3.4 | $0.036 | $0.018 |
3試行ずつの生成結果
GPT Image 2
Run 1
3.2
$0.080
Run 2
3.8
$0.080
Run 3
3.8
$0.080
Pass@1
No
Pass@3
Yes
Usable Rate
33%
Cost / Usable
$0.240
FLUX.2 [dev]
Run 1
![FLUX.2 [dev] Run 1](/_next/image?url=https%3A%2F%2Fpub-568d40d307bf46efb39d070a9ca6a9ee.r2.dev%2Fruns%2Fcmrq4cvqz0001x7coijbxs24o%2Fthumb.webp&w=3840&q=75)
3.3
$0.012
Run 2
![FLUX.2 [dev] Run 2](/_next/image?url=https%3A%2F%2Fpub-568d40d307bf46efb39d070a9ca6a9ee.r2.dev%2Fruns%2Fcmrq4czur0003x7co1lfh9xpa%2Fthumb.webp&w=3840&q=75)
3.4
$0.012
Run 3
![FLUX.2 [dev] Run 3](/_next/image?url=https%3A%2F%2Fpub-568d40d307bf46efb39d070a9ca6a9ee.r2.dev%2Fruns%2Fcmrq4d3f10005x7cos67w6e5k%2Fthumb.webp&w=3840&q=75)
3.4
$0.012
Pass@1
No
Pass@3
Yes
Usable Rate
67%
Cost / Usable
$0.018