Nano Banana 2.1
Google's newest Flash-tier image model, a generally available update to Nano Banana 2 (Gemini 3.1 Flash Image). Google says it improves visual quality, prompt adherence, multi-turn character consistency and text rendering at Flash-tier speed and cost. Google now recommends migrating…
Best for
Fast, low-cost image generation and conversational editing with good text rendering, including 4K and very wide/tall formats.
Overview
Google's newest Flash-tier image model, a generally available update to Nano Banana 2 (Gemini 3.1 Flash Image). Google says it improves visual quality, prompt adherence, multi-turn character consistency and text rendering at Flash-tier speed and cost. Google now recommends migrating from gemini-3.1-flash-image to this model.
Strengths and limits
- Highest-ranked Google image model on Artificial Analysis (Oct 2026)
- 1K, 2K and 4K output; panoramic ratios up to 8:1 and 1:8
- Lower per-image price than Nano Banana 2 and Nano Banana Pro
- No free tier on the Gemini API (reported)
- 512px fast-draft size from Nano Banana 2 was dropped (reported)
Published benchmark scores
Scores are as published by the source; settings (reasoning effort, tools, attempts) differ between labs, so compare with care. How to read benchmarks →