Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, Llama 3.1 405B delivers higher overall intelligence and human-preferred responses (Elo 1,370 vs 1,320), while Llama 3.1 405B leads in SWE-bench software engineering benchmarks (58.4%), while Codestral 25.01 is more budget-friendly at $0.9/1M per 1M output tokens. 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
Mistral code-specialist model.
Meta flagship open-weight 405B dense foundation model with 128k context window.
Currently comparing Codestral 25.01 vs Llama 3.1 405B. Alternative family tiers available.
Δ 50 Arena Elo pts
148 tok/s
$0.9 / 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 | Codestral 25.01 | Llama 3.1 405B | Advantage Delta |
|---|---|---|---|
| Preference Elo | +50 | ||
| Coding Elo | +17 | ||
| LiveBench | +7.2% | ||
| SWE-bench | +6.6% | ||
| GPQA Diamond | +16.8% | ||
| Time to first token | +210 ms | ||
| Output speed | 148 tok/s | 42 tok/s | +106 tok/s |
| Input price | $0.3/1M | $1.25/1M | +$0.95/1M |
| Output price | $0.9/1M | $3.5/1M | +$2.6/1M |
| Context window | +128k |
Simulate monthly production API costs in USD (US Dollar).
Codestral 25.01 is estimated to save $72.25/month ($867/year).
Higher SWE-bench (58.4%).
Lower output list price ($0.9/1M).
Lower TTFT (150 ms).
Larger window (256k).
Llama 3.1 405B is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Llama 3.1 405B | Higher SWE-bench (58.4%). |
| High-volume chat | Codestral 25.01 | Lower output list price ($0.9/1M). |
| Voice / low-latency UI | Codestral 25.01 | Lower TTFT (150 ms). |
| Long-document RAG | Codestral 25.01 | Larger window (256k). |
| Screenshots / vision | Llama 3.1 405B | Llama 3.1 405B is the side marked multimodal in the catalog. |
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Verified Head-to-Head Telemetry
