Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

OpenAI GPT Mini Latest vs Nano Banana 2 (Gemini 3.1 Flash Image) benchmark

Name: OpenAI GPT Mini Latest vs Nano Banana 2 (Gemini 3.1 Flash Image) AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

Comparing verified benchmark accuracy, speed, and token pricing between OpenAI GPT Mini Latest and Nano Banana 2 (Gemini 3.1 Flash Image). Review the complete breakdown below to determine which model best fits your performance and budget requirements.

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Executive Verdict Summary

OpenAI GPT Mini Latest holds empirical advantage (0 of 0 metrics)

Coding / SWESWE-bench

OpenAI GPT Mini LatestTop code solve rate

ReasoningGPQA / Live

OpenAI GPT Mini LatestTop logical accuracy

Best Value$/1M Tok

OpenAI GPT Mini LatestLowest API billing cost

Speed / TokTok/Sec

OpenAI GPT Mini LatestFastest stream rate

~openai

OpenAI GPT Mini Latest

Auto-discovered from OpenRouter (~openai/gpt-mini-latest). Preview until a second source matches.

Google

Nano Banana 2 (Gemini 3.1 Flash Image)

Google high-speed multimodal generative model delivering top Elo performance at half the latency and cost of Pro.

Flash ImageImg Elo 1,323$67/1k imgs

Top Rival Showdowns for OpenAI GPT Mini Latest

All Matchups

Compare vs:vs GPT Image 2 (High)vs Reve 2.1 vs Nano Banana Pro (Gemini 3 Pro Image)vs FLUX.2 [max]vs Ideogram 4.0 (Quality)

Image Quality Leader

No shared data

Single model data

Generation Speed Leader

No shared data

No latency data

Value per Dollar Leader

No shared data

Unpriced

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

OpenAI GPT Mini Latest (0)vsNano Banana 2 (Gemini 3.1 Flash Image) (5)

OpenAI GPT Mini Latest: 0W (0%)Nano Banana 2 (Gemini 3.1 Flash Image): 5W (100%)

← OpenAI GPT Mini LatestNano Banana 2 (Gemini 3.1 Flash Image) →

🏆Nano Banana 2 (Gemini 3.1 Flash Image) Leads(3/3)

Visual Quality & Adherence

Arena Preference Elo, prompt fidelity & typography score

Benchmark

OpenAI GPT Mini LatestvsNano Banana 2 (Gemini 3.1 Flash Image)

Image Elo

—vs1,323

Prompt adherence

—vs93.8%

Text rendering

—vs94.2%

OpenAI GPT Mini Latest: 0WNano Banana 2 (Gemini 3.1 Flash Image): 3W

🏆Nano Banana 2 (Gemini 3.1 Flash Image) Leads(1/1)

Generation Latency

Time to render full-resolution image snapshot (seconds)

Benchmark

OpenAI GPT Mini LatestvsNano Banana 2 (Gemini 3.1 Flash Image)

Generation time

—vs2.5s

OpenAI GPT Mini Latest: 0WNano Banana 2 (Gemini 3.1 Flash Image): 1W

🏆Nano Banana 2 (Gemini 3.1 Flash Image) Leads(1/1)

Cost Efficiency

API inference cost per 1,000 generated images

Benchmark

OpenAI GPT Mini LatestvsNano Banana 2 (Gemini 3.1 Flash Image)

Price per 1k images

—vs$67/1k

OpenAI GPT Mini Latest: 0WNano Banana 2 (Gemini 3.1 Flash Image): 1W

Side-by-Side Benchmark Matrix

OpenAI GPT Mini LatestNano Banana 2 (Gemini 3.1 Flash Image)

Image Elo

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)1,323

Generation time

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)2.5s

Price per 1k images

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)$67/1k

Prompt adherence

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)93.8%

Text rendering

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)94.2%

Benchmark	OpenAI GPT Mini Latest	Nano Banana 2 (Gemini 3.1 Flash Image)	Advantage Delta
Image Elo	—	1,323 seed-bootstrap · Aug 1, 2026	—
Generation time	—	2.5s seed-bootstrap · Aug 1, 2026	—
Price per 1k images	—	$67/1k seed-bootstrap · Aug 1, 2026	—
Prompt adherence	—	93.8% seed-bootstrap · Aug 1, 2026	—
Text rendering	—	94.2% seed-bootstrap · Aug 1, 2026	—

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save 100% with OpenAI GPT Mini Latest

Monthly Image Production Volume25k images / month (25000 imgs)

Quick Presets:

OpenAI GPT Mini Latest$0.00 / mo

Rate: $0/1k

Nano Banana 2 (Gemini 3.1 Flash Image)$1,675.00 / mo

Rate: $67/1k

Estimated Cost Delta

OpenAI GPT Mini Latest is estimated to save $1,675.00/month ($20,100/year).

Based on 25k images generated

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatinsufficient data

Need list prices.

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGinsufficient data

Need context sizes.

Screenshots / visionNano Banana 2 (Gemini 3.1 Flash Image)

Nano Banana 2 (Gemini 3.1 Flash Image) is the side marked multimodal in the catalog.

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	insufficient data	Need SWE-bench on both sides.
High-volume chat	insufficient data	Need list prices.
Voice / low-latency UI	insufficient data	Need TTFT on both sides.
Long-document RAG	insufficient data	Need context sizes.
Screenshots / vision	Nano Banana 2 (Gemini 3.1 Flash Image)	Nano Banana 2 (Gemini 3.1 Flash Image) is the side marked multimodal in the catalog.

Cast Your Matchup Vote

0 total votes

Community Discussions (0)

No comments posted on this matchup yet. Be the first to share an evaluation note!

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK

~openai

OpenAI GPT Mini Latest

Elo n/a

SWE-bench—

Speed (tok/s)400k

Input / 1M Tokens$0.75/1M

Output / 1M Tokens$4.5/1M

Google

Nano Banana 2 (Gemini 3.1 Flash Image)

Elo n/a

SWE-bench—

Speed (tok/s)—

Input / 1M Tokens$67/1k

Output / 1M Tokens$67/1k

Frequently Asked Questions

Which is better overall, OpenAI GPT Mini Latest or Nano Banana 2 (Gemini 3.1 Flash Image)?: We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, OpenAI GPT Mini Latest or Nano Banana 2 (Gemini 3.1 Flash Image)?: SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?: List prices are missing for at least one model.
Which is faster, OpenAI GPT Mini Latest or Nano Banana 2 (Gemini 3.1 Flash Image)?: We do not have TTFT for both models.
Which has the larger context window?: Context window is missing for at least one model.
Can I self-host either model?: Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?: No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?: Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. OpenAI GPT Mini Latest and Nano Banana 2 (Gemini 3.1 Flash Image) Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All OpenAI GPT Mini Latest matchups →|All Nano Banana 2 (Gemini 3.1 Flash Image) matchups →

Nano Banana 2 (Gemini 3.1 Flash Image) vs Nano Banana Pro (Gemini 3 Pro Image) (previous nano-banana)Nano Banana 2 (Gemini 3.1 Flash Image) vs Nano Banana 2 Lite (next nano-banana)GPT Image 2 (High) vs Nano Banana 2 (Gemini 3.1 Flash Image)Reve 2.1 vs Nano Banana 2 (Gemini 3.1 Flash Image)FLUX.2 [max] vs Nano Banana 2 (Gemini 3.1 Flash Image)FLUX.2 [flex] vs Nano Banana 2 (Gemini 3.1 Flash Image)

Side-by-Side Benchmark Matrix

OpenAI GPT Mini LatestNano Banana 2 (Gemini 3.1 Flash Image)

Image Elo

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)1,323

Generation time

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)2.5s

Price per 1k images

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)$67/1k

Prompt adherence

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)93.8%

Text rendering

OpenAI GPT Mini Latest—

Nano Banana 2 (Gemini 3.1 Flash Image)94.2%

Benchmark	OpenAI GPT Mini Latest	Nano Banana 2 (Gemini 3.1 Flash Image)	Advantage Delta
Image Elo	—	1,323 seed-bootstrap · Aug 1, 2026	—
Generation time	—	2.5s seed-bootstrap · Aug 1, 2026	—
Price per 1k images	—	$67/1k seed-bootstrap · Aug 1, 2026	—
Prompt adherence	—	93.8% seed-bootstrap · Aug 1, 2026	—
Text rendering	—	94.2% seed-bootstrap · Aug 1, 2026	—

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatinsufficient data

Need list prices.

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGinsufficient data

Need context sizes.

Screenshots / visionNano Banana 2 (Gemini 3.1 Flash Image)

Nano Banana 2 (Gemini 3.1 Flash Image) is the side marked multimodal in the catalog.

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	insufficient data	Need SWE-bench on both sides.
High-volume chat	insufficient data	Need list prices.
Voice / low-latency UI	insufficient data	Need TTFT on both sides.
Long-document RAG	insufficient data	Need context sizes.
Screenshots / vision	Nano Banana 2 (Gemini 3.1 Flash Image)	Nano Banana 2 (Gemini 3.1 Flash Image) is the side marked multimodal in the catalog.

Frequently Asked Questions

Which is better overall, OpenAI GPT Mini Latest or Nano Banana 2 (Gemini 3.1 Flash Image)?

We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.

Which is better at coding, OpenAI GPT Mini Latest or Nano Banana 2 (Gemini 3.1 Flash Image)?

SWE-bench is missing for at least one model, so we do not rank coding from a single number.

Which is cheaper to run in production?

List prices are missing for at least one model.

Which is faster, OpenAI GPT Mini Latest or Nano Banana 2 (Gemini 3.1 Flash Image)?

We do not have TTFT for both models.

Which has the larger context window?

Context window is missing for at least one model.

Can I self-host either model?

Neither model is marked open-weights here. You are comparing hosted APIs.

Are these scores from CompareLLM’s own evals?

No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.

What does preference Elo mean on this page?

Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. OpenAI GPT Mini Latest and Nano Banana 2 (Gemini 3.1 Flash Image) Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.