LLMversus

Llama 3.1 405B vs Sonar Pro: Pricing, Benchmarks & Verdict (2026)

Pricing verified Sep 14, 2026By LLMversusUpdated September 17, 2026View methodology

⚡ Quick Answer

Compare Llama 3.1 405B and Sonar Pro across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureLlama 3.1 405BSonar Pro
ProviderMetaPerplexity
Input Price / 1M tokens$3.00$3.00
Output Price / 1M tokens$3.00$15.00
Context Window
128K
200K
Max Output Tokens
4,096
8,192
Arena ELO
1,240
1,200
Coding ELO
1,200
1,195
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Llama 3.1 405B

Llama 3.1 405B excels at general-purpose, reasoning, long-context tasks.

Strengths:

  • Largest open model
  • Excellent reasoning
  • High quality outputs

Best for:

general-purposereasoninglong-context
When to Use Sonar Pro

Sonar Pro excels at web-search, general-purpose, reasoning tasks.

Strengths:

  • Built-in web search
  • Fresh information
  • Long context

Best for:

web-searchgeneral-purposereasoning

Related Comparisons

Claude Opus 4 vs Llama 3.1 405BClaude Opus 4 vs Sonar ProClaude Sonnet 4 vs Llama 3.1 405BClaude Sonnet 4 vs Sonar ProGemini 2 5 Pro vs Llama 3.1 405BGemini 2 5 Pro vs Sonar ProClaude Haiku 4 vs Llama 3.1 405BClaude Haiku 4 vs Sonar ProDeepseek R1 vs Llama 3.1 405BDeepseek R1 vs Sonar ProLlama 3.1 405B vs Qwen 2 5 MaxQwen 2 5 Max vs Sonar ProGemini 2 0 Flash vs Llama 3.1 405BGemini 2 0 Flash vs Sonar ProDeepseek V3 vs Llama 3.1 405BDeepseek V3 vs Sonar ProLlama 3.1 405B vs O3 MiniO3 Mini vs Sonar ProLlama 3.1 405B vs O3O3 vs Sonar Pro