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

OpenAI: GPT-5.6 Terra Pro (batch) vs Ideogram 4.0 Open Weights benchmark

Name: OpenAI: GPT-5.6 Terra Pro (batch) vs Ideogram 4.0 Open Weights AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

Comparing verified benchmark accuracy, speed, and token pricing between OpenAI: GPT-5.6 Terra Pro (batch) and Ideogram 4.0 Open Weights. 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-5.6 Terra Pro (batch) holds empirical advantage (0 of 0 metrics)

Coding / SWESWE-bench

OpenAI: GPT-5.6 Terra Pro (batch)Top code solve rate

ReasoningGPQA / Live

OpenAI: GPT-5.6 Terra Pro (batch)Top logical accuracy

Best Value$/1M Tok

OpenAI: GPT-5.6 Terra Pro (batch)Lowest API billing cost

Speed / TokTok/Sec

OpenAI: GPT-5.6 Terra Pro (batch)Fastest stream rate

OpenAI

OpenAI: GPT-5.6 Terra Pro (batch)

Auto-discovered from OpenRouter (openai/gpt-5.6-terra-pro:batch). Preview until a second source matches.

Ideogram

Ideogram 4.0 Open Weights

Open-weight release of Ideogram 4.0, bringing world-class text rendering to self-hosted enterprise infrastructure.

Open WeightsImg Elo 1,218$60/1k imgs

Top Rival Showdowns for OpenAI: GPT-5.6 Terra Pro (batch)

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

Overall Matchup Breakdown

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

OpenAI: GPT-5.6 Terra Pro (batch) (0)vsIdeogram 4.0 Open Weights (5)

OpenAI: GPT-5.6 Terra Pro (batch): 0W (0%)Ideogram 4.0 Open Weights: 5W (100%)

← OpenAI: GPT-5.6 Terra Pro (batch)Ideogram 4.0 Open Weights →

🏆Ideogram 4.0 Open Weights Leads(3/3)

Visual Quality & Adherence

Arena Preference Elo, prompt fidelity & typography score

Benchmark

OpenAI: GPT-5.6 Terra Pro (batch)vsIdeogram 4.0 Open Weights

Image Elo

—vs1,218

Prompt adherence

—vs91%

Text rendering

—vs95.8%

OpenAI: GPT-5.6 Terra Pro (batch): 0WIdeogram 4.0 Open Weights: 3W

🏆Ideogram 4.0 Open Weights Leads(1/1)

Generation Latency

Time to render full-resolution image snapshot (seconds)

Benchmark

OpenAI: GPT-5.6 Terra Pro (batch)vsIdeogram 4.0 Open Weights

Generation time

—vs3.8s

OpenAI: GPT-5.6 Terra Pro (batch): 0WIdeogram 4.0 Open Weights: 1W

🏆Ideogram 4.0 Open Weights Leads(1/1)

Cost Efficiency

API inference cost per 1,000 generated images

Benchmark

OpenAI: GPT-5.6 Terra Pro (batch)vsIdeogram 4.0 Open Weights

Price per 1k images

—vs$60/1k

OpenAI: GPT-5.6 Terra Pro (batch): 0WIdeogram 4.0 Open Weights: 1W

Side-by-Side Benchmark Matrix

OpenAI: GPT-5.6 Terra Pro (batch)Ideogram 4.0 Open Weights

Image Elo

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights1,218

Generation time

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights3.8s

Price per 1k images

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights$60/1k

Prompt adherence

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights91%

Text rendering

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights95.8%

Benchmark	OpenAI: GPT-5.6 Terra Pro (batch)	Ideogram 4.0 Open Weights	Advantage Delta
Image Elo	—	1,218 seed-bootstrap · Aug 1, 2026	—
Generation time	—	3.8s seed-bootstrap · Aug 1, 2026	—
Price per 1k images	—	$60/1k seed-bootstrap · Aug 1, 2026	—
Prompt adherence	—	91% seed-bootstrap · Aug 1, 2026	—
Text rendering	—	95.8% seed-bootstrap · Aug 1, 2026	—

Workload Cost & Savings Calculator

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

Save 100% with OpenAI: GPT-5.6 Terra Pro (batch)

Monthly Image Production Volume25k images / month (25000 imgs)

Quick Presets:

OpenAI: GPT-5.6 Terra Pro (batch)$0.00 / mo

Rate: $0/1k

Ideogram 4.0 Open Weights$1,500.00 / mo

Rate: $60/1k

Estimated Cost Delta

OpenAI: GPT-5.6 Terra Pro (batch) is estimated to save $1,500.00/month ($18,000/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 / visionIdeogram 4.0 Open Weights

Ideogram 4.0 Open Weights 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	Ideogram 4.0 Open Weights	Ideogram 4.0 Open Weights 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-5.6 Terra Pro (batch)

Elo n/a

SWE-bench—

Speed (tok/s)1.1M

Input / 1M Tokens$1/1M

Output / 1M Tokens$6/1M

Ideogram

Ideogram 4.0 Open Weights

Elo n/a

SWE-bench—

Speed (tok/s)—

Input / 1M Tokens$60/1k

Output / 1M Tokens$60/1k

Frequently Asked Questions

Which is better overall, OpenAI: GPT-5.6 Terra Pro (batch) or Ideogram 4.0 Open Weights?: 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-5.6 Terra Pro (batch) or Ideogram 4.0 Open Weights?: 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-5.6 Terra Pro (batch) or Ideogram 4.0 Open Weights?: 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?: Ideogram 4.0 Open Weights is marked open-weights in our catalog. The other side is a closed API. Check the provider license before you ship weights.
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-5.6 Terra Pro (batch) and Ideogram 4.0 Open Weights Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All OpenAI: GPT-5.6 Terra Pro (batch) matchups →|All Ideogram 4.0 Open Weights matchups →

Ideogram 4.0 Open Weights vs Ideogram 4.0 (Quality) (previous ideogram)GPT Image 2 (High) vs Ideogram 4.0 Open Weights GPT Image 2 (Low / Fast) vs Ideogram 4.0 Open Weights GPT Image 1.5 vs Ideogram 4.0 Open Weights DALL-E 3 vs Ideogram 4.0 Open Weights Reve 2.1 vs Ideogram 4.0 Open Weights

Side-by-Side Benchmark Matrix

OpenAI: GPT-5.6 Terra Pro (batch)Ideogram 4.0 Open Weights

Image Elo

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights1,218

Generation time

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights3.8s

Price per 1k images

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights$60/1k

Prompt adherence

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights91%

Text rendering

OpenAI: GPT-5.6 Terra Pro (batch)—

Ideogram 4.0 Open Weights95.8%

Benchmark	OpenAI: GPT-5.6 Terra Pro (batch)	Ideogram 4.0 Open Weights	Advantage Delta
Image Elo	—	1,218 seed-bootstrap · Aug 1, 2026	—
Generation time	—	3.8s seed-bootstrap · Aug 1, 2026	—
Price per 1k images	—	$60/1k seed-bootstrap · Aug 1, 2026	—
Prompt adherence	—	91% seed-bootstrap · Aug 1, 2026	—
Text rendering	—	95.8% 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 / visionIdeogram 4.0 Open Weights

Ideogram 4.0 Open Weights 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	Ideogram 4.0 Open Weights	Ideogram 4.0 Open Weights is the side marked multimodal in the catalog.

Frequently Asked Questions

Which is better overall, OpenAI: GPT-5.6 Terra Pro (batch) or Ideogram 4.0 Open Weights?

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-5.6 Terra Pro (batch) or Ideogram 4.0 Open Weights?

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-5.6 Terra Pro (batch) or Ideogram 4.0 Open Weights?

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?

Ideogram 4.0 Open Weights is marked open-weights in our catalog. The other side is a closed API. Check the provider license before you ship weights.

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-5.6 Terra Pro (batch) and Ideogram 4.0 Open Weights Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.