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Model Pareto

GPT Image 2 vs Nano Banana 2.1

In image generation, GPT Image 2 scores 83.1 and Nano Banana 2.1 77.6 on the 0–100 quality scale. GPT Image 2 costs 6.3× as much as Nano Banana 2.1 ($0.21 vs $0.034 per image).
GPT Image 2Nano Banana 2.1
Focus

Image generation: quality vs price

Compared models are ringed; the other 42 ranked here are greyed.

Lower price is better. Pareto frontier: Z-Image Turbo, Muse Image, MAI-Image-2.6-Flash, Nano Banana 2.1, GPT Image 2.5 Sunburst. 2 models are not plotted: Qwen-Image-2.1, Ideogram 4.5.

2 models with no price data — shown in the strip at the left edge

Qwen-Image-2.1, Ideogram 4.5

  • Best-value frontier (nothing is both cheaper and better)
  • Evidencestrong → weak
  • Estimated from other categories
  • GPT Image 2
    Quality
    83.1
    Rank
    #3/44
    Price
    $0.21/img
    Speed
    118s

    vs Nano Banana 2.1: +5.5 quality · 6.3× price

  • Nano Banana 2.1
    Quality
    77.6
    Rank
    #4/44
    Price
    $0.034/img
    Speed
    —

    vs GPT Image 2: −5.5 quality · 0.16× price

Overview

Metric
GPT Image 2
Nano Banana 2.1
Lab
OpenAI
Google DeepMind
Released
Apr 21, 2026
Oct 6, 2026
Weights
Proprietary
Proprietary
Price per image
$0.21
$0.034Best
Time per image
118s
—

Quality by category

0–100 within each category (100 = best tracked model). Rank is among all models ranked there. Click a row to focus it.

Metric
GPT Image 2
Nano Banana 2.1
Image generation
83.1±3.2Best
#3/44Verified
77.6±3.9
#4/44Verifiedbest value

Image generation benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Metric
GPT Image 2
Nano Banana 2.1
AA Text-to-Image Arena
third-party
#4/421171Verified
  1. #1GPT Image 2.5 Sunburst1196
  2. #3Nano Banana 2.1Few votes1176
  3. #4GPT Image 21171
  4. #5Grok Imagine Image 2.01154
artificialanalysis.ai · 2026-10-13
#3/421176BestVerifiedFew votes
  1. #1GPT Image 2.5 Sunburst1196
  2. #2GPT Image 2.5 Flare1190
  3. #3Nano Banana 2.1Few votes1176
  4. #4GPT Image 21171
artificialanalysis.ai · 2026-10-24
AA Image Editing Arena
third-party
#6/351130Verified
  1. #1GPT Image 2.5 Sunburst1186
  2. #5MAI-Image-2.6-Flash1131
  3. #6GPT Image 21130
  4. #7Muse Image1123
artificialanalysis.ai · 2026-10-13
#3/351152BestVerifiedFew votes
  1. #1GPT Image 2.5 Sunburst1186
  2. #2GPT Image 2.5 Flare1166
  3. #3Nano Banana 2.1Few votes1152
  4. #4MAI-Image-2.61143
artificialanalysis.ai · 2026-10-17
LMArena Text-to-Image
third-party
#3/321381BestVerified
  1. #1GPT Image 2.5 Sunburst1423
  2. #2GPT Image 2.5 Flare1398
  3. #3GPT Image 21381
  4. #4Grok Imagine Image 2.01334
arena.ai · 2026-10-13
#6/321328Verified
  1. #1GPT Image 2.5 Sunburst1423
  2. #4MAI-Image-2.61334
  3. #6Nano Banana 2.11328
  4. #7Muse Image1276
arena.ai · 2026-10-06
LMArena Image Edit
third-party
#3/261461BestVerified
  1. #1GPT Image 2.5 Sunburst1522
  2. #2GPT Image 2.5 Flare1481
  3. #3GPT Image 21461
  4. #4Grok Imagine Image 2.01441
arena.ai · 2026-10-13
#6/261428Verified
  1. #1GPT Image 2.5 Sunburst1522
  2. #5MAI-Image-2.61429
  3. #6Nano Banana 2.11428
  4. #7Muse Image1402
arena.ai · 2026-10-06
GenEval
day 0
~#2/4~88.3%Estimated
  1. #1HiDream-O1-Image90.0%
  2. ~#2GPT Image 2Estimated88.3%
  3. #2Qwen-Image87.0%
estimated from related benchmarks
~#2/4~87.9%Estimated
  1. #1HiDream-O1-Image90.0%
  2. ~#2Nano Banana 2.1Estimated87.9%
  3. #2Qwen-Image87.0%
estimated from related benchmarks
DPG-Bench
day 0
~#2/4~88.6%Estimated
  1. #1HiDream-O1-Image89.8%
  2. ~#2GPT Image 2Estimated88.6%
  3. #2Qwen-Image88.3%
estimated from related benchmarks
~#2/4~88.4%Estimated
  1. #1HiDream-O1-Image89.8%
  2. ~#2Nano Banana 2.1Estimated88.4%
  3. #2Qwen-Image88.3%
estimated from related benchmarks