Pairwise benchmark snapshot · Aug 16, 2026
This page compares Claude Opus 4.5 (Anthropic) and Ernie 4.5 Turbo (Baidu) using the latest snapshots we have as of Aug 16, 2026. On preference Elo, Claude Opus 4.5 is ahead by 118 points (1,568 vs 1,450; seed-bootstrap (Aug 1, 2026)). On SWE-bench coding, Claude Opus 4.5 resolves 76.8% versus 57% (seed-bootstrap (Aug 1, 2026)). Ernie 4.5 Turbo streams faster (95 tok/s) while Ernie 4.5 Turbo is the cheaper output token ($1.2/1M). Claude Opus 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 Opus 4.5Anthropic frontier coding and computer-use model. SWE-bench leader on the official mini-SWE-agent harness in the Feb 2026 refresh.
Baidu
Ernie 4.5 TurboBaidu current multimodal enterprise foundation model with broad Chinese knowledge.
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.
118 pts advantage
33 tok/s faster
$23.80/1M cheaper
Simulate monthly production API costs based on published $/1M tokens.
Ernie 4.5 Turbo is estimated to save $521.50/month ($6,258/year).
Higher SWE-bench (76.8%).
Lower output list price ($1.2/1M).
Lower TTFT (200 ms).
Larger window (200k).
Both accept images. Defaulting to the higher-Elo side (Claude Opus 4.5).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Claude Opus 4.5 | Higher SWE-bench (76.8%). |
| High-volume chat | Ernie 4.5 Turbo | Lower output list price ($1.2/1M). |
| Voice / low-latency UI | Ernie 4.5 Turbo | Lower TTFT (200 ms). |
| Long-document RAG | Claude Opus 4.5 | Larger window (200k). |
| Screenshots / vision | Claude Opus 4.5 | Both accept images. Defaulting to the higher-Elo side (Claude Opus 4.5). |
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The real PNG is generated at /compare/claude-opus-4-5-vs-ernie-4-5/opengraph-image for crawlers.
Verified head-to-head card