Pairwise benchmark snapshot · Aug 16, 2026
In this head-to-head showdown, Seed 2.1 Turbo delivers higher overall intelligence and human-preferred responses (Elo 1,472 vs 1,412), while Seed 2.1 Turbo leads in SWE-bench software engineering benchmarks (63.2%), while Llama 4 Scout is more budget-friendly at $0.3/1M per 1M output tokens, while Seed 2.1 Turbo provides faster response streaming (160 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
Meta open-weight Llama 4 long-context sibling of Maverick. Common public API lists sit near $0.08–$0.30 / $0.30–$0.70 per 1M; we store a conservative hosted list until OpenRouter overwrites.
ByteDance Seed 2.1 Turbo, listed on public model timelines as an Aug 10 2026 API drop.
Currently comparing Llama 4 Scout vs Seed 2.1 Turbo. Alternative family tiers available.
Δ 60 Arena Elo pts
160 tok/s
$0.3 / 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 | Llama 4 Scout | Seed 2.1 Turbo | Advantage Delta |
|---|---|---|---|
| Preference Elo | +60 | ||
| Coding Elo | +82 | ||
| LiveBench | +5.2% | ||
| SWE-bench | +10.8% | ||
| GPQA Diamond | +5.6% | ||
| Time to first token | +10 ms | ||
| Output speed | 155 tok/s | 160 tok/s | +5 tok/s |
| Input price | $0.08/1M | $0.27/1M | +$0.19/1M |
| Output price | +$0.8/1M | ||
| Context window | +9.7M |
Simulate monthly production API costs in USD (US Dollar).
Llama 4 Scout is estimated to save $18.65/month ($224/year).
Higher SWE-bench (63.2%).
Lower output list price ($0.3/1M).
Lower TTFT (120 ms).
Larger window (10M).
Both accept images. Defaulting to the higher-Elo side (Seed 2.1 Turbo).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Seed 2.1 Turbo | Higher SWE-bench (63.2%). |
| High-volume chat | Llama 4 Scout | Lower output list price ($0.3/1M). |
| Voice / low-latency UI | Seed 2.1 Turbo | Lower TTFT (120 ms). |
| Long-document RAG | Llama 4 Scout | Larger window (10M). |
| Screenshots / vision | Seed 2.1 Turbo | Both accept images. Defaulting to the higher-Elo side (Seed 2.1 Turbo). |
$1/$5 hosted Claude vs a cheap long-context open sibling. The alternative-to-Sonnet pair that is honest.
Listed on public model timelines as an Aug 10 2026 API drop. Preview-quality story, indexable because we have a full snapshot.
Huge window, cheap hosted lists. The Haiku alternative that is actually open-weight.
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