Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
In this head-to-head showdown, Llama 3.1 405B is more budget-friendly at $3.5/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
Auto-discovered from OpenRouter (~anthropic/claude-sonnet-latest). Preview until a second source matches.
Meta flagship open-weight 405B dense foundation model with 128k context window.
Single model data
No latency data
$3.5 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
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 | Anthropic Claude Sonnet Latest | Llama 3.1 405B | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| Coding Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | — | 42 tok/s | — |
| Input price | $1.25/1M | Llama 3.1 405B (+$0.75/1M) | |
| Output price | $3.5/1M | Llama 3.1 405B (+$6.5/1M) | |
| Context window | Anthropic Claude Sonnet Latest (+872k) |
Simulate monthly production API costs in USD (US Dollar).
Llama 3.1 405B is estimated to save $123.75/month ($1,485/year).
Need SWE-bench on both sides.
Lower output list price ($3.5/1M).
Need TTFT on both sides.
Larger window (1M).
Llama 3.1 405B is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | insufficient data | Need SWE-bench on both sides. |
| High-volume chat | Llama 3.1 405B | Lower output list price ($3.5/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | Anthropic Claude Sonnet Latest | Larger window (1M). |
| Screenshots / vision | Llama 3.1 405B | Llama 3.1 405B is the side marked multimodal in the catalog. |
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The real PNG is generated at /compare/claude-sonnet-latest-vs-llama-3-1-405b/opengraph-image for crawlers.
Verified head-to-head card
