Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, DeepSeek V4 Flash delivers higher overall intelligence and human-preferred responses (Elo 1,490 vs 1,412), while DeepSeek V4 Flash leads in SWE-bench software engineering benchmarks (71.2%), while DeepSeek V4 Flash is more budget-friendly at $0.28/1M per 1M output tokens, while Llama 4 Scout provides faster response streaming (155 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.
9 benchmarks evaluated across capability, speed, and cost
DeepSeek Jul 31 2026 price-performance SKU. Public listings put it near $0.14/$0.28 per 1M tokens.
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.
Currently comparing DeepSeek V4 Flash vs Llama 4 Scout. Alternative family tiers available.
Δ 78 Arena Elo pts
155 tok/s
$0.28 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top standard models across 6 key capability 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 | DeepSeek V4 Flash | Llama 4 Scout | Advantage Delta |
|---|---|---|---|
| Preference Elo | +78 | ||
| Coding Elo | +118 | ||
| LiveBench | +8.2% | ||
| SWE-bench | +18.8% | ||
| GPQA Diamond | +10.4% | ||
| Time to first token | +35 ms | ||
| Output speed | 142 tok/s | 155 tok/s | +13 tok/s |
| Input price | $0.14/1M | $0.1/1M | +$0.04/1M |
| Output price | $0.28/1M | $0.3/1M | +$0.02/1M |
| Context window | — |
Simulate monthly production API costs in USD (US Dollar).
Llama 4 Scout is estimated to save $1.10/month ($13/year).
Higher SWE-bench (71.2%).
Lower output list price ($0.28/1M).
Lower TTFT (130 ms).
Larger window (1.3M).
Llama 4 Scout is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | DeepSeek V4 Flash | Higher SWE-bench (71.2%). |
| High-volume chat | DeepSeek V4 Flash | Lower output list price ($0.28/1M). |
| Voice / low-latency UI | Llama 4 Scout | Lower TTFT (130 ms). |
| Long-document RAG | DeepSeek V4 Flash | Larger window (1.3M). |
| Screenshots / vision | Llama 4 Scout | Llama 4 Scout is the side marked multimodal in the catalog. |
$1/$5 hosted Claude vs a cheap long-context open sibling. The alternative-to-Sonnet pair that is honest.
Public listings put Flash near $0.14/$0.28 per 1M. That is a batch SKU, not a chatbot crown.
Huge window, cheap hosted lists. The Haiku alternative that is actually open-weight.
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