Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
In this head-to-head showdown, Doubao Pro 1.5 is more budget-friendly at $0.28/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
ByteDance flagship enterprise model with ultra-low token cost and 128k context.
Auto-discovered from OpenRouter (perplexity/sonar-deep-research). Preview until a second source matches.
Single model data
No latency data
$0.28 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Doubao Pro 1.5 | Perplexity: Sonar Deep Research | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| Coding Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | 105 tok/s | — | — |
| Input price | $0.11/1M | Doubao Pro 1.5 (+$1.89/1M) | |
| Output price | $0.28/1M | Doubao Pro 1.5 (+$7.72/1M) | |
| Context window | — |
Simulate monthly production API costs in USD (US Dollar).
Doubao Pro 1.5 is estimated to save $181.95/month ($2,183/year).
Need SWE-bench on both sides.
Lower output list price ($0.28/1M).
Need TTFT on both sides.
Larger window (128k).
Doubao Pro 1.5 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 | Doubao Pro 1.5 | Lower output list price ($0.28/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | Doubao Pro 1.5 | Larger window (128k). |
| Screenshots / vision | Doubao Pro 1.5 | Doubao Pro 1.5 is the side marked multimodal in the catalog. |
No comments posted on this matchup yet. Be the first to share an evaluation note!
The real PNG is generated at /compare/doubao-1-5-pro-128k-vs-sonar-deep-research/opengraph-image for crawlers.
Verified head-to-head card
