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

Pricing verified Apr 8, 2026

⚡ Quick Answer

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

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude Haiku 4Sonar Reasoning
ProviderAnthropicPerplexity
Input Price / 1M tokens$1.00$1.00
Output Price / 1M tokens$5.00$5.00
Context Window
200K
127K
Max Output Tokens
8,192
8,192
Arena ELO
1,220
1,240
Coding ELO
1,195
1,235
TTFT (ms)
150
150
Tokens/sec
130
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Claude Haiku 4

Claude Haiku 4 excels at chatbots, classification, cost-sensitive, high-volume tasks.

Strengths:

  • Very fast response times
  • 200K context window
  • Affordable for Anthropic quality
  • Good instruction following

Best for:

chatbotsclassificationcost-sensitivehigh-volume
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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