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

GPT Image 1.5 vs AI21: Jamba Large 1.7 benchmark

Name: GPT Image 1.5 vs AI21: Jamba Large 1.7 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 AI21: Jamba Large 1.7. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Share Analysis:

OpenAI

GPT Image 1.5

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

Img Elo 1,313$133/1k imgs

ai21

AI21: Jamba Large 1.7

Auto-discovered from OpenRouter (ai21/jamba-large-1.7). Preview until a second source matches.

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 Leader

No shared data

Single model data

Generation Speed Leader

No shared data

No latency data

Value per Dollar Leader

No shared data

Unpriced

Head-to-Head Comparison

Overall Matchup Breakdown

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

GPT Image 1.5 (5)vsAI21: Jamba Large 1.7 (0)

GPT Image 1.5: 5W (100%)Overall: GPT Image 1.5AI21: Jamba Large 1.7: 0W (0%)

← GPT Image 1.5AI21: Jamba Large 1.7 →

🏆GPT Image 1.5(3/3)

Visual Quality & Adherence

Arena Preference Elo, prompt fidelity & typography score

Benchmark

GPT Image 1.5vsAI21: Jamba Large 1.7

Image Elo

1,313vs—

Prompt adherence

91%vs—

Text rendering

90.5%vs—

GPT Image 1.5: 3WAI21: Jamba Large 1.7: 0W

🏆GPT Image 1.5(1/1)

Generation Latency

Time to render full-resolution image snapshot (seconds)

Benchmark

GPT Image 1.5vsAI21: Jamba Large 1.7

Generation time

3.5svs—

GPT Image 1.5: 1WAI21: Jamba Large 1.7: 0W

🏆GPT Image 1.5(1/1)

Cost Efficiency

API inference cost per 1,000 generated images

Benchmark

GPT Image 1.5vsAI21: Jamba Large 1.7

Price per 1k images

$133/1kvs—

GPT Image 1.5: 1WAI21: Jamba Large 1.7: 0W

Side-by-Side Benchmark Matrix

Image Elo

GPT Image 1.51,313

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Generation time

GPT Image 1.53.5s

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Price per 1k images

GPT Image 1.5$133/1k

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Prompt adherence

GPT Image 1.591%

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Text rendering

GPT Image 1.590.5%

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Benchmark	GPT Image 1.5	AI21: Jamba Large 1.7	Advantage Delta
Image Elo	1,313 seed-bootstrap · Aug 1, 2026	—	—
Generation time	3.5s seed-bootstrap · Aug 1, 2026	—	—
Price per 1k images	$133/1k seed-bootstrap · Aug 1, 2026	—	—
Prompt adherence	91% seed-bootstrap · Aug 1, 2026	—	—
Text rendering	90.5% seed-bootstrap · Aug 1, 2026	—	—

Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 100% with AI21: Jamba Large 1.7

Monthly Image Production Volume25k images / month (25000 imgs)

Quick Presets:

GPT Image 1.5$3,325.00 / mo

Rate: $133/1k

AI21: Jamba Large 1.7$0.00 / mo

Rate: $0/1k

Estimated Cost Delta

AI21: Jamba Large 1.7 is estimated to save $3,325.00/month ($39,900/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 / visionGPT Image 1.5

GPT Image 1.5 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	GPT Image 1.5	GPT Image 1.5 is the side marked multimodal in the catalog.

Community Sentiment

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

GPT Image 1.5

Elo n/a

SWE-bench—

Speed (tok/s)—

Input / 1M Tokens$133/1k

Output / 1M Tokens$133/1k

ai21

AI21: Jamba Large 1.7

Elo n/a

SWE-bench—

Speed (tok/s)256k

Input / 1M Tokens$2/1M

Output / 1M Tokens$8/1M

Frequently Asked Questions

Which is better overall, GPT Image 1.5 or AI21: Jamba Large 1.7?: 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 AI21: Jamba Large 1.7?: 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 AI21: Jamba Large 1.7?: 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 AI21: Jamba Large 1.7 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 AI21: Jamba Large 1.7 matchups →

GPT Image 1.5 vs DALL-E 3 (previous gpt-image)GPT Image 1.5 vs GPT Image 2 (High) (next gpt-image)

Side-by-Side Benchmark Matrix

Image Elo

GPT Image 1.51,313

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Generation time

GPT Image 1.53.5s

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Price per 1k images

GPT Image 1.5$133/1k

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Prompt adherence

GPT Image 1.591%

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Text rendering

GPT Image 1.590.5%

seed-bootstrap · Aug 1, 2026

AI21: Jamba Large 1.7—

Benchmark

GPT Image 1.5

AI21: Jamba Large 1.7

Advantage Delta

Image Elo

1,313

seed-bootstrap · Aug 1, 2026

—

Generation time

3.5s

seed-bootstrap · Aug 1, 2026

—

Price per 1k images

$133/1k

seed-bootstrap · Aug 1, 2026

—

Prompt adherence

91%

seed-bootstrap · Aug 1, 2026

—

Text rendering

90.5%

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 / visionGPT Image 1.5

GPT Image 1.5 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	GPT Image 1.5	GPT Image 1.5 is the side marked multimodal in the catalog.

Frequently Asked Questions

Which is better overall, GPT Image 1.5 or AI21: Jamba Large 1.7?

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 AI21: Jamba Large 1.7?

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 AI21: Jamba Large 1.7?

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 AI21: Jamba Large 1.7 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.