Pairwise benchmark snapshot · Aug 16, 2026
In this head-to-head showdown, Claude Sonnet 5 delivers higher overall intelligence and human-preferred responses (Elo 1,556 vs 1,450), while Claude Sonnet 5 leads in SWE-bench software engineering benchmarks (73.8%), while Ernie 4.5 Turbo is more budget-friendly at $1.2/1M per 1M output tokens, while Claude Sonnet 5 provides faster response streaming (118 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.
10 direct benchmark disciplines evaluated across capability, speed, and cost
Anthropic workhorse. Official $2/$10 per 1M tokens made permanent on Aug 10 2026.
Baidu current multimodal enterprise foundation model with broad Chinese knowledge.
Currently comparing Claude Sonnet 5 vs Ernie 4.5 Turbo. Alternative family tiers available.
Δ 106 Arena Elo pts
118 tok/s
$1.2 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
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 | Claude Sonnet 5 | Ernie 4.5 Turbo | Advantage Delta |
|---|---|---|---|
| Preference Elo | +106 | ||
| Coding Elo | +127 | ||
| LiveBench | +9.4% | ||
| SWE-bench | +16.8% | ||
| GPQA Diamond | +8.3% | ||
| Time to first token | +25 ms | ||
| Output speed | 118 tok/s | 95 tok/s | +23 tok/s |
| Input price | $0.3/1M | +$1.7/1M | |
| Output price | $1.2/1M | +$8.8/1M | |
| Context window | +872k |
Simulate monthly production API costs in USD (US Dollar).
Ernie 4.5 Turbo is estimated to save $191.50/month ($2,298/year).
Higher SWE-bench (73.8%).
Lower output list price ($1.2/1M).
Lower TTFT (175 ms).
Larger window (1M).
Both accept images. Defaulting to the higher-Elo side (Claude Sonnet 5).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Claude Sonnet 5 | Higher SWE-bench (73.8%). |
| High-volume chat | Ernie 4.5 Turbo | Lower output list price ($1.2/1M). |
| Voice / low-latency UI | Claude Sonnet 5 | Lower TTFT (175 ms). |
| Long-document RAG | Claude Sonnet 5 | Larger window (1M). |
| Screenshots / vision | Claude Sonnet 5 | Both accept images. Defaulting to the higher-Elo side (Claude Sonnet 5). |
Usually Sonnet 5 vs Opus 5. Coding delta versus output $/1M. The workhorse question.
Aug 10 2026 made the $2/$10 list permanent. Sonnet is the default Claude unless the repo is actually on fire.
Most of Opus 4.5 coding at a mid-tier price. Sonnet 5 replaced it as the buy; 4.5 remains a compare baseline.
No comments posted on this matchup yet. Be the first to share an evaluation note!
Dynamic OpenGraph banner generated at /compare/claude-sonnet-5-vs-ernie-4-5/opengraph-image
Verified Head-to-Head Telemetry
