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Claude 3.5 Sonnet vs GPT-4 1.5-nano: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Claude 3.5 Sonnet and GPT-4 1.5-nano across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude 3.5 SonnetGPT-4 1.5-nano
ProviderAnthropicOpenAI
Input Price / 1M tokens$3.00$0.075
Output Price / 1M tokens$15.00$0.300
Context Window
200K
128K
Max Output Tokens
8,192
4,096
Arena ELO
1,270
1,150
Coding ELO
1,300
1,160
TTFT (ms)
150
120
Tokens/sec
100
150
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 GPT-4 1.5-nano

GPT-4 1.5-nano excels at cost-effective, fast-inference tasks.

Strengths:

  • Super cheap
  • Very fast
  • Large context

Best for:

cost-effectivefast-inference

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