Pairwise benchmark snapshot · Aug 17, 2026
This page compares Claude Haiku 4.5 (Anthropic) and Doubao Pro 1.5 (ByteDance) using the latest snapshots we have as of Aug 17, 2026. On preference Elo, Doubao Pro 1.5 is ahead by 32 points (1,470 vs 1,438; lmarena (Aug 17, 2026)). On SWE-bench coding, Doubao Pro 1.5 resolves 62.1% versus 58.2% (swebench (Aug 17, 2026)). Claude Haiku 4.5 streams faster (175 tok/s) while Doubao Pro 1.5 is the cheaper output token ($0.28/1M). Claude Haiku 4.5 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.
Anthropic
Claude Haiku 4.5Anthropic cheap/fast Claude SKU. Official Claude Platform list price $1/$5 per 1M tokens (Anthropic Haiku page).
ByteDance
Doubao Pro 1.5ByteDance flagship enterprise model with ultra-low token cost and 128k context.
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.
32 pts advantage
70 tok/s faster
$4.72/1M cheaper
Simulate monthly production API costs in USD (US Dollar).
Doubao Pro 1.5 is estimated to save $101.95/month ($1,223/year).
Higher SWE-bench (62.1%).
Lower output list price ($0.28/1M).
Lower TTFT (95 ms).
Larger window (200k).
Both accept images. Defaulting to the higher-Elo side (Doubao Pro 1.5).
| 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 | Claude Haiku 4.5 | Lower TTFT (95 ms). |
| Long-document RAG | Claude Haiku 4.5 | Larger window (200k). |
| Screenshots / vision | Doubao Pro 1.5 | Both accept images. Defaulting to the higher-Elo side (Doubao Pro 1.5). |
$1/$5 hosted Claude vs a cheap long-context open sibling. The alternative-to-Sonnet pair that is honest.
Huge window, cheap hosted lists. The Haiku alternative that is actually open-weight.
Official Anthropic list $1/$5. This is the SKU behind “cheapest Claude alternative” that is still Claude.
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The real PNG is generated at /compare/claude-haiku-4-5-vs-doubao-1-5-pro-128k/opengraph-image for crawlers.
Verified head-to-head card
