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

Claude Opus 5 vs Seedream 4.0 benchmark

Name: Claude Opus 5 vs Seedream 4.0 AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

Comparing verified benchmark accuracy, speed, and token pricing between Claude Opus 5 and Seedream 4.0. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Share Analysis:

Anthropic

Claude Opus 5

Anthropic current default flagship. Official API $5/$25 per 1M tokens and a 1M context window (Anthropic, Jul 24 2026).

Img Elo 1,624

ByteDance

Seedream 4.0

High-value ByteDance image foundation model at $30/1k images.

v4.0Img Elo 1,225$30/1k imgs

Claude 5 Series Family & Variants (3)

Speed, cost, and intelligence tradeoffs across the Anthropic lineup

Claude Opus 5

Anthropic

Base Model

ReasoningFast Route

Elo1624

Speed72 t/s

In /1M$10

Out /1M$50

Selected

Claude Fable 5

Anthropic

Fable 5 (X-High Reasoning)

Reasoning

Elo1616

Speed58 t/s

In /1M$10

Out /1M$50

-8 Elo0% price0.8x speed

View specs →vs this

Claude Sonnet 5

Anthropic

Sonnet 5

Elo1556

Speed118 t/s

In /1M$2

Out /1M$10

-68 Elo-80% price1.6x speed

View specs →vs this

Claude Opus 5 Thinking Depth & Cost Scaler

Simulate accuracy gains vs added response time & token cost

Mode: Medium (16k budget)

Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.

Thinking Delay

310 ms

Standard speed

Reasoning Depth

~3,200

Internal tokens

Cost / 1k Calls

$180.00

9.0× standard bill

Accuracy Boost

+5.2% accuracy

STEM & SWE-bench

Top Rival Showdowns for Claude Opus 5

All Matchups

Compare vs:vs GPT Image 2 (High)vs Reve 2.1 vs 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.

Claude Opus 5 (0)vsSeedream 4.0 (5)

Claude Opus 5: 0W (0%)Overall: Seedream 4.0Seedream 4.0: 5W (100%)

← Claude Opus 5Seedream 4.0 →

Seedream 4.0 (3/3)

Visual Quality & Adherence

Arena Preference Elo, prompt fidelity & typography score

Image Elo

—vs1,225

Prompt adherence

—vs89%

Text rendering

—vs88%

Claude Opus 5: 0WSeedream 4.0: 3W

Seedream 4.0 (1/1)

Generation Latency

Time to render full-resolution image snapshot (seconds)

Generation time

—vs2.8s

Claude Opus 5: 0WSeedream 4.0: 1W

Seedream 4.0 (1/1)

Cost Efficiency

API inference cost per 1,000 generated images

Price per 1k images

—vs$30/1k

Claude Opus 5: 0WSeedream 4.0: 1W

Side-by-Side Benchmark Matrix

Image Elo

Claude Opus 5—

Seedream 4.01,225

seed-bootstrap · Aug 1, 2026

Generation time

Claude Opus 5—

Seedream 4.02.8s

seed-bootstrap · Aug 1, 2026

Price per 1k images

Claude Opus 5—

Seedream 4.0$30/1k

seed-bootstrap · Aug 1, 2026

Prompt adherence

Claude Opus 5—

Seedream 4.089%

seed-bootstrap · Aug 1, 2026

Text rendering

Claude Opus 5—

Seedream 4.088%

seed-bootstrap · Aug 1, 2026

Benchmark	Claude Opus 5	Seedream 4.0	Advantage Delta
Image Elo	—	1,225 seed-bootstrap · Aug 1, 2026	—
Generation time	—	2.8s seed-bootstrap · Aug 1, 2026	—
Price per 1k images	—	$30/1k seed-bootstrap · Aug 1, 2026	—
Prompt adherence	—	89% seed-bootstrap · Aug 1, 2026	—
Text rendering	—	88% 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 Claude Opus 5

Monthly Image Production Volume25k images / month (25000 imgs)

Quick Presets:

Claude Opus 5$0.00 / mo

Rate: $0/1k

Seedream 4.0$750.00 / mo

Rate: $30/1k

Estimated Cost Delta

Claude Opus 5 is estimated to save $750.00/month ($9,000/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 / 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 10, 2026

Sonnet vs Opus in 2026: same family, different invoice

Usually Sonnet 5 vs Opus 5. Coding delta versus output $/1M. The workhorse question.

compareJul 24, 2026

Claude vs Gemini: coding, Elo, and output price — not a brand mashup

Top Anthropic vs top Google. Usually Opus 5 vs 3.6 Pro. Two different invoices.

compareJul 24, 2026

Claude vs GPT benchmark: this hub always remaps to the current Elo leaders

Not a frozen 2025 article. Today that is usually Opus 5 vs GPT-5.6 Sol. Dated cells, not a brand fight.

launchJul 24, 2026

Claude Opus 5 is Anthropic’s default flagship — how to read it on CompareLLM

Jul 24 2026 official API at $5/$25 and a 1M window. Preference Elo is taste, not a coding exam.

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 Matrix

Verified head-to-head card

LIVE

Anthropic

Claude Opus 5

Elo 1,624

LiveBench74.8%

SWE-bench79.2%

Speed72 tok/s

Output cost$50/1M

ByteDance

Seedream 4.0

Elo n/a

LiveBench—

SWE-bench—

Speed—

Output cost—

Frequently Asked Questions

Which is better overall, Claude Opus 5 or Seedream 4.0?: 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, Claude Opus 5 or Seedream 4.0?: 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, Claude Opus 5 or Seedream 4.0?: 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. Claude Opus 5 and Seedream 4.0 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Claude Opus 5 matchups →|All Seedream 4.0 matchups →

Claude Opus 5 vs Claude Opus 4.8 (previous opus)Seedream 4.0 vs Seedream 5.0 Pro (next seed)Claude Fable 5 vs Claude Opus 5 Claude Opus 4.6 vs Claude Opus 5 Claude Opus 4.5 vs Claude Opus 5 Claude Sonnet 5 vs Claude Opus 5

Benchmark

Claude Opus 5

Seedream 4.0

Advantage Delta

Image Elo

—

1,225

seed-bootstrap · Aug 1, 2026

—

Generation time

—

2.8s

seed-bootstrap · Aug 1, 2026

—

Price per 1k images

—

$30/1k

seed-bootstrap · Aug 1, 2026

—

Prompt adherence

—

89%

seed-bootstrap · Aug 1, 2026

—

Text rendering

—

88%

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 / 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, Claude Opus 5 or Seedream 4.0?

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, Claude Opus 5 or Seedream 4.0?

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, Claude Opus 5 or Seedream 4.0?

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. Claude Opus 5 and Seedream 4.0 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Claude 5 Series Family & Variants (3)

Claude Opus 5 Thinking Depth & Cost Scaler

No shared data

No shared data

No shared data

Overall Matchup Breakdown

Visual Quality & Adherence

Generation Latency

Cost Efficiency

Side-by-Side Benchmark Matrix

Workload Cost & Savings Calculator

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Sonnet vs Opus in 2026: same family, different invoice

Claude vs Gemini: coding, Elo, and output price — not a brand mashup

Claude vs GPT benchmark: this hub always remaps to the current Elo leaders

Claude Opus 5 is Anthropic’s default flagship — how to read it on CompareLLM

Cast Your Matchup Vote

Community Discussions (0)

Share card

CompareLLM Matrix

Claude Opus 5

Seedream 4.0

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons

Claude 5 Series Family & Variants (3)

Claude Opus 5 Thinking Depth & Cost Scaler

No shared data

No shared data

No shared data

Overall Matchup Breakdown

Visual Quality & Adherence

Generation Latency

Cost Efficiency

Side-by-Side Benchmark Matrix

Workload Cost & Savings Calculator

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Sonnet vs Opus in 2026: same family, different invoice

Claude vs Gemini: coding, Elo, and output price — not a brand mashup

Claude vs GPT benchmark: this hub always remaps to the current Elo leaders

Claude Opus 5 is Anthropic’s default flagship — how to read it on CompareLLM

Cast Your Matchup Vote

Community Discussions (0)

Share card

CompareLLM Matrix

Claude Opus 5

Seedream 4.0

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons