LLMversus

Claude 3.5 Sonnet vs Sonar Pro: Pricing, Benchmarks & Verdict (2026)

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

⚡ Quick Answer

Compare Claude 3.5 Sonnet and Sonar Pro across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude 3.5 SonnetSonar Pro
ProviderAnthropicPerplexity
Input Price / 1M tokens$3.00$3.00
Output Price / 1M tokens$15.00$15.00
Context Window
200K
200K
Max Output Tokens
8,192
8,192
Arena ELO
1,270
1,200
Coding ELO
1,300
1,195
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Claude 3.5 Sonnet

Claude 3.5 Sonnet excels at coding, general-purpose, multimodal tasks.

Strengths:

  • Best coding
  • Large context
  • Strong reasoning

Best for:

codinggeneral-purposemultimodal
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 3.5 Sonnet vs Claude Opus 4Claude Opus 4 vs Sonar ProClaude 3.5 Sonnet vs Claude Sonnet 4Claude Sonnet 4 vs Sonar ProClaude 3.5 Sonnet vs Gemini 2 5 ProGemini 2 5 Pro vs Sonar ProClaude 3.5 Sonnet vs Claude Haiku 4Claude Haiku 4 vs Sonar ProClaude 3.5 Sonnet vs Deepseek R1Deepseek R1 vs Sonar ProClaude 3.5 Sonnet vs Qwen 2 5 MaxQwen 2 5 Max vs Sonar ProClaude 3.5 Sonnet vs Gemini 2 0 FlashGemini 2 0 Flash vs Sonar ProClaude 3.5 Sonnet vs Deepseek V3Deepseek V3 vs Sonar ProClaude 3.5 Sonnet vs O3 MiniO3 Mini vs Sonar ProClaude 3.5 Sonnet vs O3O3 vs Sonar Pro