Nano Banana 2 vs GPT-4o vs Flux Kontext:2026年AI画像編集対決
GoogleのNano Banana 2、OpenAIのGPT-4oイメージ、Black Forest LabsのFlux Kontextを同じ編集でテストしました。多くのブログが伝えている内容とは異なる結果です。ここに正直な2026年の評価と、コピー可能なプロンプトを紹介します。

GoogleのNano Banana 2、OpenAIのGPT-4oイメージ、Black Forest LabsのFlux Kontextを同じ編集でテストしました。多くのブログが伝えている内容とは異なる結果です。ここに正直な2026年の評価と、コピー可能なプロンプトを紹介します。
- Author: Shahrukh — Creator of PromptSpace, AI researcher & prompt engineer since 2024. 159+ articles published.
- Methodology: Claims in this article are based on hands-on testing with live AI models, publicly available benchmarks, and official model documentation.
- Last tested: Content reviewed and verified against current model versions as of the publication date above.
- Sources: Official model docs, published research, and curated community examples. Links open in context where available.
- Updates: PromptSpace updates articles when models change significantly. Check the "Updated" date in the header for recency.
Written by Shahrukh
Creator of PromptSpace · AI Researcher & Prompt Engineer
Building the largest free AI prompt library with 4,000+ prompts. Covering AI image generation, prompt engineering, and tool comparisons since 2024. 159+ articles published.