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

Pricing verified Apr 8, 2026

⚡ Quick Answer

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

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude Opus 4Sonar Reasoning
ProviderAnthropicPerplexity
Input Price / 1M tokens$5.00$1.00
Output Price / 1M tokens$25.00$5.00
Context Window
200K
127K
Max Output Tokens
32,000
8,192
Arena ELO
1,504
1,240
Coding ELO
1,504
1,235
TTFT (ms)
500
150
Tokens/sec
50
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Claude Opus 4

Claude Opus 4 excels at coding, analysis, agents, complex-reasoning tasks.

Strengths:

  • Top-tier coding and reasoning
  • Excellent agentic capabilities
  • Strong instruction following
  • 200K context window

Best for:

codinganalysisagentscomplex-reasoning
When to Use Sonar Reasoning

Sonar Reasoning excels at reasoning, web-search tasks.

Strengths:

  • Reasoning + search
  • Fresh data
  • Good accuracy

Best for:

reasoningweb-search

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