Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
Comparing verified benchmark accuracy, speed, and token pricing between Seedream 4.0 and Upstage: Solar Pro 4. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
High-value ByteDance image foundation model at $30/1k images.
Auto-discovered from OpenRouter (upstage/solar-pro4). Preview until a second source matches.
Currently comparing Seedream 4.0 vs Upstage: Solar Pro 4. Alternative family tiers available.
Single model data
No latency data
Unpriced
Category wins across reasoning intelligence, generation speed, and token cost.
Arena Preference Elo, prompt fidelity & typography score
Time to render full-resolution image snapshot (seconds)
API inference cost per 1,000 generated images
| Benchmark | Seedream 4.0 | Upstage: Solar Pro 4 | Advantage Delta |
|---|---|---|---|
| Image Elo | — | — | |
| Generation time | — | — | |
| Price per 1k images | — | — | |
| Prompt adherence | — | — | |
| Text rendering | — | — |
Simulate monthly production API costs in USD (US Dollar).
Upstage: Solar Pro 4 is estimated to save $750.00/month ($9,000/year).
Need SWE-bench on both sides.
Need list prices.
Need TTFT on both sides.
Need context sizes.
Seedream 4.0 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 | Seedream 4.0 | Seedream 4.0 is the side marked multimodal in the catalog. |
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Verified Head-to-Head Telemetry
