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

GPT Image 2 (Low / Fast) vs Grok 4.6 benchmark

Name: GPT Image 2 (Low / Fast) vs Grok 4.6 AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

This page compares GPT Image 2 (Low / Fast) (OpenAI) and Grok 4.6 (xAI) using the latest snapshots we have as of Aug 17, 2026. Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.

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OpenAI

GPT Image 2 (Low / Fast)

Fast distilled tier of GPT Image 2 designed for high-throughput interactive creative workflows at 70% lower price.

Fast / Low CostImg Elo 1,315$65/1k imgs

xAI

Grok 4.6

xAI Aug 12 2026 post-training refresh of Grok 4.5. Same $2/$6 API price, 500k context, stronger agentic traces.

Img Elo 1,592

Model Lineage & Multi-Tier Derivatives

GPT Image 2 Series Family (2 models)

Compare vs Base (GPT Image 2 (High))

GPT Image 2 (High)

OpenAI

Flagship Base

Elo

1372

Latency

4.8s

Price

$211/1k

View model →vs this

GPT Image 2 (Low / Fast)

OpenAI

Fast / Low Cost

Elo

1315

Latency

1.9s

Price

$65/1k

-57 Elo-69% cost

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Model A

Model B

Quick vs:vs Claude Opus 4.5 vs Claude Opus 4.6 vs Claude Sonnet 4.5 vs Claude 3.7 Sonnet

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

GPT Image 2 (Low / Fast) (5)vsGrok 4.6 (0)

GPT Image 2 (Low / Fast): 5W (100%)Overall: GPT Image 2 (Low / Fast)Grok 4.6: 0W (0%)

← GPT Image 2 (Low / Fast)Grok 4.6 →

GPT Image 2 (Low / Fast) (3/3)

Visual Quality & Adherence

Arena Preference Elo, prompt fidelity & typography score

Image Elo

1,315vs—

Prompt adherence

89.2%vs—

Text rendering

88%vs—

GPT Image 2 (Low / Fast): 3WGrok 4.6: 0W

GPT Image 2 (Low / Fast) (1/1)

Generation Latency

Time to render full-resolution image snapshot (seconds)

Generation time

1.9svs—

GPT Image 2 (Low / Fast): 1WGrok 4.6: 0W

GPT Image 2 (Low / Fast) (1/1)

Cost Efficiency

API inference cost per 1,000 generated images

Price per 1k images

$65/1kvs—

GPT Image 2 (Low / Fast): 1WGrok 4.6: 0W

Capability Matchup Radar

Multi-Dimensional Capability Radar

Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.

Tap any node to inspect

Percentile 0–100

Dimensional AdvantageGPT Image 2 (Low / Fast) 5/6

Image Preference Elo

No shared data

Generation Latency

No shared data

Image Price Efficiency

No shared data

Full Benchmark Score Matrix

—

Img Elo

High is better

1,315

Img EloHigh is better

—

Gen Time

Low is better

1.9s

Gen TimeLow is better

—

Img $

Low is better

$65/1k

Img $Low is better

—

Prompt %

High is better

89.2%

Prompt %High is better

—

Text %

High is better

88%

Text %High is better

—

Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 100% with Grok 4.6

Monthly Image Production Volume25k images / month (25000 imgs)

Quick Presets:

GPT Image 2 (Low / Fast)$1,625.00 / mo

Rate: $65/1k

Grok 4.6$0.00 / mo

Rate: $0/1k

Estimated Cost Delta

Grok 4.6 is estimated to save $1,625.00/month ($19,500/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).

Related Editorial Dispatches & Benchmark Notes

View all news

compareAug 12, 2026

Grok vs ChatGPT: price and Elo, not a personality contest

Brand hub remaps to top xAI vs top OpenAI. After Aug 12 that is Grok 4.6 vs Sol.

launchAug 12, 2026

Grok 4.6 (Aug 12): post-training refresh, same $2/$6 list

xAI’s Aug 12 2026 refresh of Grok 4.5. 500k context. The Grok vs ChatGPT hub remaps here.

launchJul 10, 2025

Grok 4 remains the previous xAI flagship on this catalog

2025-07 row. 4.6 is the buy. We keep 4 so upgrade pairs and old inbound links resolve.

Community Sentiment

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CompareLLM Matrix

Verified head-to-head card

LIVE

OpenAI

GPT Image 2 (Low / Fast)

Elo n/a

LiveBench—

SWE-bench—

Speed—

Output cost—

xAI

Grok 4.6

Elo 1,592

LiveBench71.4%

SWE-bench69.1%

Speed118 tok/s

Output cost$6/1M

Frequently Asked Questions

Which is better overall, GPT Image 2 (Low / Fast) or Grok 4.6?: 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 2 (Low / Fast) or Grok 4.6?: 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 2 (Low / Fast) or Grok 4.6?: 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 2 (Low / Fast) and Grok 4.6 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All GPT Image 2 (Low / Fast) matchups →|All Grok 4.6 matchups →

GPT Image 2 (Low / Fast) vs GPT Image 2 (High) (previous gpt-image)Grok 4.6 vs Grok 4 (previous grok)GPT-5 vs Grok 4.6 GPT-4.5 Orion vs Grok 4.6 GPT-5.6 Sol vs Grok 4.6 GPT-5.6 Terra vs Grok 4.6

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

GPT Image 2 (Low / Fast) (5)vsGrok 4.6 (0)

GPT Image 2 (Low / Fast): 5W (100%)Overall: GPT Image 2 (Low / Fast)Grok 4.6: 0W (0%)

← GPT Image 2 (Low / Fast)Grok 4.6 →

GPT Image 2 (Low / Fast) (3/3)

Visual Quality & Adherence

Arena Preference Elo, prompt fidelity & typography score

Image Elo

1,315vs—

Prompt adherence

89.2%vs—

Text rendering

88%vs—

GPT Image 2 (Low / Fast): 3WGrok 4.6: 0W

GPT Image 2 (Low / Fast) (1/1)

Generation Latency

Time to render full-resolution image snapshot (seconds)

Generation time

1.9svs—

GPT Image 2 (Low / Fast): 1WGrok 4.6: 0W

GPT Image 2 (Low / Fast) (1/1)

Cost Efficiency

API inference cost per 1,000 generated images

Price per 1k images

$65/1kvs—

GPT Image 2 (Low / Fast): 1WGrok 4.6: 0W

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 2 (Low / Fast) or Grok 4.6?

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 2 (Low / Fast) or Grok 4.6?

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 2 (Low / Fast) or Grok 4.6?

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 2 (Low / Fast) and Grok 4.6 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

GPT Image 2 Series Family (2 models)

Swap or Add Any Model to this Matchup

Interactive Comparison Diagram

Tug-of-War Matchup Matrix

Visual Quality & Adherence

Generation Latency

Cost Efficiency

Multi-Dimensional Capability Radar

No shared data

No shared data

No shared data

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Grok vs ChatGPT: price and Elo, not a personality contest

Grok 4.6 (Aug 12): post-training refresh, same $2/$6 list

Grok 4 remains the previous xAI flagship on this catalog

Cast Your Matchup Vote

Community Discussions (0)

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CompareLLM Matrix

GPT Image 2 (Low / Fast)

Grok 4.6

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons

GPT Image 2 Series Family (2 models)

Swap or Add Any Model to this Matchup

Interactive Comparison Diagram

Tug-of-War Matchup Matrix

Visual Quality & Adherence

Generation Latency

Cost Efficiency

Multi-Dimensional Capability Radar

No shared data

No shared data

No shared data

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Grok vs ChatGPT: price and Elo, not a personality contest

Grok 4.6 (Aug 12): post-training refresh, same $2/$6 list

Grok 4 remains the previous xAI flagship on this catalog

Cast Your Matchup Vote

Community Discussions (0)

Share card

CompareLLM Matrix

GPT Image 2 (Low / Fast)

Grok 4.6

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons