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  3. Body Builder (beta) vs FLUX.1 [schnell]

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

Body Builder (beta) vs FLUX.1 [schnell] benchmark

Comparing verified benchmark accuracy, speed, and token pricing between Body Builder (beta) and FLUX.1 [schnell]. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Both Body Builder (beta) and FLUX.1 [schnell] present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
Share Analysis:
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openrouter
Body Builder (beta)

Auto-discovered from OpenRouter (openrouter/bodybuilder). Preview until a second source matches.

Black Forest Labs
FLUX.1 [schnell]

Apache 2.0 4-step distilled open weights model optimized for local inference and instant preview generation.

Schnell 4-StepImg Elo 1,142$15/1k imgs
Top Rival Showdowns for Body Builder (beta)
All Matchups
Compare vs:vs GPT Image 2 (High)vs Reve 2.1vs 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

Head-to-Head Comparison

Overall Matchup Breakdown

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

Body Builder (beta) (0)vsFLUX.1 [schnell] (5)
Body Builder (beta): 0W (0%)Overall: FLUX.1 [schnell]FLUX.1 [schnell]: 5W (100%)
← Body Builder (beta)FLUX.1 [schnell] →
🏆FLUX.1 [schnell](3/3)

Visual Quality & Adherence

Arena Preference Elo, prompt fidelity & typography score

Benchmark
Body Builder (beta)vsFLUX.1 [schnell]
Image Elo
—vs1,142
Prompt adherence
—vs84%
Text rendering
—vs82%
Body Builder (beta): 0WFLUX.1 [schnell]: 3W
🏆FLUX.1 [schnell](1/1)

Generation Latency

Time to render full-resolution image snapshot (seconds)

Benchmark
Body Builder (beta)vsFLUX.1 [schnell]
Generation time
—vs1.2s
Body Builder (beta): 0WFLUX.1 [schnell]: 1W
🏆FLUX.1 [schnell](1/1)

Cost Efficiency

API inference cost per 1,000 generated images

Benchmark
Body Builder (beta)vsFLUX.1 [schnell]
Price per 1k images
—vs$15/1k
Body Builder (beta): 0WFLUX.1 [schnell]: 1W

Side-by-Side Benchmark Matrix

Image Elo
Body Builder (beta)—
FLUX.1 [schnell]1,142
seed-bootstrap · Aug 1, 2026
Generation time
Body Builder (beta)—
FLUX.1 [schnell]1.2s
seed-bootstrap · Aug 1, 2026
Price per 1k images
Body Builder (beta)—
FLUX.1 [schnell]$15/1k
seed-bootstrap · Aug 1, 2026
Prompt adherence
Body Builder (beta)—
FLUX.1 [schnell]84%
seed-bootstrap · Aug 1, 2026
Text rendering
Body Builder (beta)—
FLUX.1 [schnell]82%
seed-bootstrap · Aug 1, 2026
BenchmarkBody Builder (beta)FLUX.1 [schnell]Advantage Delta
Image Elo—
1,142
seed-bootstrap · Aug 1, 2026
—
Generation time—
1.2s
seed-bootstrap · Aug 1, 2026
—
Price per 1k images—
$15/1k
seed-bootstrap · Aug 1, 2026
—
Prompt adherence—
84%
seed-bootstrap · Aug 1, 2026
—
Text rendering—
82%
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 Body Builder (beta)
Monthly Image Production Volume25k images / month (25000 imgs)
Quick Presets:
Body Builder (beta)$0.00 / mo
Rate: $0/1k
FLUX.1 [schnell]$375.00 / mo
Rate: $15/1k
Estimated Cost Delta

Body Builder (beta) is estimated to save $375.00/month ($4,500/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 / visionFLUX.1 [schnell]

FLUX.1 [schnell] is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatinsufficient dataNeed list prices.
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGinsufficient dataNeed context sizes.
Screenshots / visionFLUX.1 [schnell]FLUX.1 [schnell] is the side marked multimodal in the catalog.
Community Sentiment

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
openrouter

Body Builder (beta)

Elo n/a
SWE-bench—
Speed (tok/s)128k
Input / 1M Tokens$-1,000,000/1M
Output / 1M Tokens$-1,000,000/1M
Black Forest Labs

FLUX.1 [schnell]

Elo n/a
SWE-bench—
Speed (tok/s)—
Input / 1M Tokens$15/1k
Output / 1M Tokens$15/1k

Frequently Asked Questions

Which is better overall, Body Builder (beta) or FLUX.1 [schnell]?
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, Body Builder (beta) or FLUX.1 [schnell]?
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, Body Builder (beta) or FLUX.1 [schnell]?
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?
FLUX.1 [schnell] 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. Body Builder (beta) and FLUX.1 [schnell] Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Body Builder (beta) matchups →|All FLUX.1 [schnell] matchups →
FLUX.1 [schnell] vs FLUX.1 [dev] (previous flux)FLUX.1 [schnell] vs FLUX.1.1 [pro] (next flux)FLUX.2 [max] vs FLUX.1 [schnell]FLUX.2 [flex] vs FLUX.1 [schnell]GPT Image 2 (High) vs FLUX.1 [schnell]Reve 2.1 vs FLUX.1 [schnell]