Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, Yi-Lightning delivers higher overall intelligence and human-preferred responses (Elo 1,475 vs 1,224), while Yi-Lightning leads in SWE-bench software engineering benchmarks (63.4%), while Yi-Lightning is more budget-friendly at $0.14/1M per 1M output tokens, while Claude 3.5 Haiku provides faster response streaming (140 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.
9 direct benchmark disciplines evaluated across capability, speed, and cost
Previous cheap Claude. Haiku 4.5 is the current $1/$5 SKU.
01.AI ultra-fast reasoning model delivering top LiveBench efficiency.
Δ 251 Arena Elo pts
140 tok/s
$0.14 / 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 3.5 Haiku | Yi-Lightning | Advantage Delta |
|---|---|---|---|
| Preference Elo | +251 | ||
| Coding Elo | — | — | |
| LiveBench | +20.2% | ||
| SWE-bench | +27.2% | ||
| GPQA Diamond | +23.9% | ||
| Time to first token | +40 ms | ||
| Output speed | 140 tok/s | 130 tok/s | +10 tok/s |
| Input price | $0.8/1M | $0.14/1M | +$0.66/1M |
| Output price | $0.14/1M | +$3.86/1M | |
| Context window | +184k |
Simulate monthly production API costs in USD (US Dollar).
Yi-Lightning is estimated to save $81.00/month ($972/year).
Higher SWE-bench (63.4%).
Lower output list price ($0.14/1M).
Lower TTFT (110 ms).
Larger window (200k).
Claude 3.5 Haiku is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Yi-Lightning | Higher SWE-bench (63.4%). |
| High-volume chat | Yi-Lightning | Lower output list price ($0.14/1M). |
| Voice / low-latency UI | Claude 3.5 Haiku | Lower TTFT (110 ms). |
| Long-document RAG | Claude 3.5 Haiku | Larger window (200k). |
| Screenshots / vision | Claude 3.5 Haiku | Claude 3.5 Haiku is the side marked multimodal in the catalog. |
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