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Anthropic

Claude Sonnet 4.6

VS
Meta

Llama-3.1 405B

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, Claude Sonnet 4.6 is the premium intelligence choice, scoring 0.0% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: Llama-3.1 405B is 1.0x cheaper to run and delivers 3.6x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Llama-3.1 405B offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of Claude Sonnet 4.6 fully justifies the cost.

Model Specs

Claude Sonnet 4.6

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)Winner (+29.2%)
79.9%

Cost & Performance

Cost (per 1M tokens)
$6.00Input: $3.00 | Output: $15.00
Speed
54.3 tps
Context WindowLarger
1M tokens
Model Specs

Llama-3.1 405B

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)
50.7%

Cost & Performance

Cost (per 1M tokens)
N/AInput: N/A | Output: N/A
Speed3.6x faster
193 tps
Context Window
131.07k tokens
Read our data collection methodology

Frequently Asked Questions

Pricing data is currently unavailable for one or both of these models, so a direct cost comparison cannot be determined.

Llama-3.1 405B is faster than Claude Sonnet 4.6. Llama-3.1 405B generates 193 tokens per second (tps) compared to Claude Sonnet 4.6 which generates 54.3 tokens per second.

Coding benchmark scores are not currently recorded for these models.

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