LV
LLMversus

Claude Sonnet 4 vs Sonar Reasoning: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Claude Sonnet 4 and Sonar Reasoning across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude Sonnet 4Sonar Reasoning
ProviderAnthropicPerplexity
Input Price / 1M tokens$3.00$1.00
Output Price / 1M tokens$15.00$5.00
Context Window
200K
127K
Max Output Tokens
64,000
8,192
Arena ELO
1,280
1,240
Coding ELO
1,305
1,235
TTFT (ms)
320
150
Tokens/sec
78
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Claude Sonnet 4

Claude Sonnet 4 excels at coding, analysis, long-context, agents tasks.

Strengths:

  • Best-in-class coding performance
  • 200K context window
  • Excellent instruction following

Best for:

codinganalysislong-contextagents
When to Use Sonar Reasoning

Sonar Reasoning excels at reasoning, web-search tasks.

Strengths:

  • Reasoning + search
  • Fresh data
  • Good accuracy

Best for:

reasoningweb-search

Related Comparisons

Claude Opus 4 vs Claude Sonnet 4Claude Opus 4 vs Sonar ReasoningClaude Sonnet 4 vs Gemini 2 5 ProGemini 2 5 Pro vs Sonar ReasoningClaude Sonnet 4 vs O3O3 vs Sonar ReasoningClaude Sonnet 4 vs Deepseek R1Deepseek R1 vs Sonar ReasoningClaude Sonnet 4 vs O1O1 vs Sonar ReasoningClaude Sonnet 4 vs Qwen 3 235bQwen 3 235b vs Sonar ReasoningClaude Sonnet 4 vs Gemini Exp 1206Gemini Exp 1206 vs Sonar ReasoningClaude Sonnet 4 vs Gpt 4 5Gpt 4 5 vs Sonar ReasoningClaude Sonnet 4 vs Groq Deepseek R1Groq Deepseek R1 vs Sonar ReasoningClaude Sonnet 4 vs Llama 4 MaverickLlama 4 Maverick vs Sonar Reasoning