Pairwise benchmark snapshot · Aug 1, 2026

GPT Image 1.5 vs Midjourney v6.1 benchmark

Name: GPT Image 1.5 vs Midjourney v6.1 AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

Comparing verified benchmark accuracy, speed, and token pricing between GPT Image 1.5 and Midjourney v6.1. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Share Analysis:

Verified Head-to-Head Advantage Breakdown

5 direct benchmark disciplines evaluated across capability, speed, and cost

GPT Image 1.5 (4)Midjourney v6.1 (1)

GPT Image 1.5

4 of 5 Wins

✓Image Elo✓Generation time✓Prompt adherence✓Text rendering

Midjourney v6.1

1 of 5 Wins

✓Price per 1k images

OpenAI

Leads 4 of 5 metrics

GPT Image 1.5

Previous OpenAI image generation flagship. High fidelity with proven enterprise reliability.

Img Elo 1,313$133/1k imgs

Midjourney

Leads 1 of 5 metrics

Midjourney v6.1

Previous standard in aesthetic digital art generation, retained as a historical compare baseline.

v6.1Img Elo 1,265$80/1k imgs

Top Rival Showdowns for GPT Image 1.5

All Matchups

Compare vs:vs Reve 2.1 vs Nano Banana Pro (Gemini 3 Pro Image)vs FLUX.2 [max]vs Ideogram 4.0 (Quality)vs Recraft V4.1 Utility Pro

Image Quality LeaderGPT Image 1.5 Wins

GPT Image 1.5

Δ 48 Image Elo pts

Generation Speed LeaderGPT Image 1.5 Wins

GPT Image 1.5

3.5s per render

Value per Dollar LeaderMidjourney v6.1 Wins

Midjourney v6.1

$80/1k images

Head-to-Head Comparison

Overall Matchup Breakdown

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

GPT Image 1.5 (4)vsMidjourney v6.1 (1)

GPT Image 1.5: 4W (80%)Overall: GPT Image 1.5Midjourney v6.1: 1W (20%)

← GPT Image 1.5Midjourney v6.1 →

🏆GPT Image 1.5(3/3)

Visual Quality & Adherence

Arena Preference Elo, prompt fidelity & typography score

Benchmark

GPT Image 1.5vsMidjourney v6.1

Image Elo

1,313vs1,265+48

Prompt adherence

91%vs89%+2%

Text rendering

90.5%vs84%+6.5%

GPT Image 1.5: 3WMidjourney v6.1: 0W

🏆GPT Image 1.5(1/1)

Generation Latency

Time to render full-resolution image snapshot (seconds)

Benchmark

GPT Image 1.5vsMidjourney v6.1

Generation time

3.5svs7.5s+4s

GPT Image 1.5: 1WMidjourney v6.1: 0W

🏆Midjourney v6.1(1/1)

Cost Efficiency

API inference cost per 1,000 generated images

Benchmark

GPT Image 1.5vsMidjourney v6.1

Price per 1k images

$133/1kvs$80/1k+$53/1k

GPT Image 1.5: 0WMidjourney v6.1: 1W

Side-by-Side Benchmark Matrix

Image Elo+48

GPT Image 1.51,313

seed-bootstrap · Aug 1, 2026

Midjourney v6.11,265

seed-bootstrap · Aug 1, 2026

Generation time+4s

GPT Image 1.53.5s

seed-bootstrap · Aug 1, 2026

Midjourney v6.17.5s

seed-bootstrap · Aug 1, 2026

Price per 1k images+$53/1k

GPT Image 1.5$133/1k

seed-bootstrap · Aug 1, 2026

Midjourney v6.1$80/1k

seed-bootstrap · Aug 1, 2026

Prompt adherence+2%

GPT Image 1.591%

seed-bootstrap · Aug 1, 2026

Midjourney v6.189%

seed-bootstrap · Aug 1, 2026

Text rendering+6.5%

GPT Image 1.590.5%

seed-bootstrap · Aug 1, 2026

Midjourney v6.184%

seed-bootstrap · Aug 1, 2026

Benchmark	GPT Image 1.5	Midjourney v6.1	Advantage Delta
Image Elo	1,313 seed-bootstrap · Aug 1, 2026	1,265 seed-bootstrap · Aug 1, 2026	+48
Generation time	3.5s seed-bootstrap · Aug 1, 2026	7.5s seed-bootstrap · Aug 1, 2026	+4s
Price per 1k images	$133/1k seed-bootstrap · Aug 1, 2026	$80/1k seed-bootstrap · Aug 1, 2026	+$53/1k
Prompt adherence	91% seed-bootstrap · Aug 1, 2026	89% seed-bootstrap · Aug 1, 2026	+2%
Text rendering	90.5% seed-bootstrap · Aug 1, 2026	84% seed-bootstrap · Aug 1, 2026	+6.5%

Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 40% with Midjourney v6.1

Monthly Image Production Volume25k images / month (25000 imgs)

Quick Presets:

GPT Image 1.5$3,325.00 / mo

Rate: $133/1k

Midjourney v6.1$2,000.00 / mo

Rate: $80/1k

Estimated Cost Delta

Midjourney v6.1 is estimated to save $1,325.00/month ($15,900/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 / visioninsufficient data

Both accept images. Defaulting to the higher-Elo side (undefined).

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	insufficient data	Both accept images. Defaulting to the higher-Elo side (undefined).

Community Sentiment

Cast Your Matchup Vote

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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

GPT Image 1.5

Elo n/a

SWE-bench—

Speed (tok/s)—

Input / 1M Tokens$133/1k

Output / 1M Tokens$133/1k

Midjourney

Midjourney v6.1

Elo n/a

SWE-bench—

Speed (tok/s)—

Input / 1M Tokens$80/1k

Output / 1M Tokens$80/1k

Frequently Asked Questions

Which is better overall, GPT Image 1.5 or Midjourney v6.1?: 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, GPT Image 1.5 or Midjourney v6.1?: 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, GPT Image 1.5 or Midjourney v6.1?: 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. GPT Image 1.5 and Midjourney v6.1 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All GPT Image 1.5 matchups →|All Midjourney v6.1 matchups →

GPT Image 1.5 vs DALL-E 3 (previous gpt-image)GPT Image 1.5 vs GPT Image 2 (High) (next gpt-image)Midjourney v6.1 vs Midjourney v7 (next midjourney)GPT Image 2 (High) vs Midjourney v6.1 GPT Image 2 (Low / Fast) vs Midjourney v6.1 DALL-E 3 vs Midjourney v6.1

Benchmark

GPT Image 1.5

Midjourney v6.1

Advantage Delta

Image Elo

1,313

seed-bootstrap · Aug 1, 2026

1,265

seed-bootstrap · Aug 1, 2026

+48

Generation time

3.5s

seed-bootstrap · Aug 1, 2026

7.5s

seed-bootstrap · Aug 1, 2026

+4s

Price per 1k images

$133/1k

seed-bootstrap · Aug 1, 2026

$80/1k

seed-bootstrap · Aug 1, 2026

+$53/1k

Prompt adherence

91%

seed-bootstrap · Aug 1, 2026

89%

seed-bootstrap · Aug 1, 2026

+2%

Text rendering

90.5%

seed-bootstrap · Aug 1, 2026

84%

seed-bootstrap · Aug 1, 2026

+6.5%

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 / visioninsufficient data

Both accept images. Defaulting to the higher-Elo side (undefined).

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	insufficient data	Both accept images. Defaulting to the higher-Elo side (undefined).

Frequently Asked Questions

Which is better overall, GPT Image 1.5 or Midjourney v6.1?

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, GPT Image 1.5 or Midjourney v6.1?

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, GPT Image 1.5 or Midjourney v6.1?

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. GPT Image 1.5 and Midjourney v6.1 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.