Pairwise benchmark snapshot · Aug 17, 2026
This page compares Claude 3.5 Sonnet (Anthropic) and Llama 4 Scout (Meta) using the latest snapshots we have as of Aug 17, 2026. On preference Elo, Llama 4 Scout is ahead by 132 points (1,412 vs 1,280; lmarena (Aug 16, 2026)). On SWE-bench coding, Llama 4 Scout resolves 52.4% versus 49% (swebench (Aug 16, 2026)). Llama 4 Scout streams faster (155 tok/s) while Llama 4 Scout is the cheaper output token ($0.3/1M). Llama 4 Scout has the larger context window (1.3M 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 3.5 Sonnet2024 workhorse. Still a high-intent compare against GPT-4o.
Meta
Llama 4 ScoutMeta 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.
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.
132 pts advantage
75 tok/s faster
$14.70/1M cheaper
Simulate monthly production API costs in USD (US Dollar).
Llama 4 Scout is estimated to save $322.00/month ($3,864/year).
Higher SWE-bench (52.4%).
Lower output list price ($0.3/1M).
Lower TTFT (130 ms).
Larger window (1.3M).
Both accept images. Defaulting to the higher-Elo side (Llama 4 Scout).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Llama 4 Scout | Higher SWE-bench (52.4%). |
| High-volume chat | Llama 4 Scout | Lower output list price ($0.3/1M). |
| Voice / low-latency UI | Llama 4 Scout | Lower TTFT (130 ms). |
| Long-document RAG | Llama 4 Scout | Larger window (1.3M). |
| Screenshots / vision | Llama 4 Scout | Both accept images. Defaulting to the higher-Elo side (Llama 4 Scout). |
$1/$5 hosted Claude vs a cheap long-context open sibling. The alternative-to-Sonnet pair that is honest.
Huge window, cheap hosted lists. The Haiku alternative that is actually open-weight.
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The real PNG is generated at /compare/claude-3-5-sonnet-vs-llama-4-scout/opengraph-image for crawlers.
Verified head-to-head card
