Pairwise benchmark snapshot · Aug 16, 2026
This page compares Doubao Pro 1.5 (ByteDance) and OpenAI: o1 (OpenAI) using the latest snapshots we have as of Aug 16, 2026. On preference Elo, OpenAI: o1 is ahead by 42 points (1,512 vs 1,470; seed-bootstrap (Aug 1, 2026)). On SWE-bench coding, Doubao Pro 1.5 resolves 62.1% versus 48.9% (seed-bootstrap (Aug 1, 2026)). Doubao Pro 1.5 streams faster (105 tok/s) while Doubao Pro 1.5 is the cheaper output token ($0.28/1M). OpenAI: o1 has the larger context window (200k tokens). 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.
ByteDance
Doubao Pro 1.5ByteDance flagship enterprise model with ultra-low token cost and 128k context.
OpenAI
OpenAI: o1Auto-discovered from OpenRouter (openai/o1). Preview until a second source matches.
Instant pairwise benchmark recalculation across 400+ LLMs
Category wins across intelligence, speed, and pricing efficiency.
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
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
42 pts advantage
60 tok/s faster
$59.72/1M cheaper
Simulate monthly production API costs based on published $/1M tokens.
Doubao Pro 1.5 is estimated to save $1,416.95/month ($17,003/year).
Higher SWE-bench (62.1%).
Lower output list price ($0.28/1M).
Lower TTFT (190 ms).
Larger window (200k).
Both accept images. Defaulting to the higher-Elo side (OpenAI: o1).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Doubao Pro 1.5 | Higher SWE-bench (62.1%). |
| High-volume chat | Doubao Pro 1.5 | Lower output list price ($0.28/1M). |
| Voice / low-latency UI | Doubao Pro 1.5 | Lower TTFT (190 ms). |
| Long-document RAG | OpenAI: o1 | Larger window (200k). |
| Screenshots / vision | OpenAI: o1 | Both accept images. Defaulting to the higher-Elo side (OpenAI: o1). |
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-o1/opengraph-image for crawlers.
Verified head-to-head card