LV
LLMversus

Claude 3.5 Sonnet vs o4-mini: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Claude 3.5 Sonnet and o4-mini across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude 3.5 Sonneto4-mini
ProviderAnthropicOpenAI
Input Price / 1M tokens$3.00$0.500
Output Price / 1M tokens$15.00$2.00
Context Window
200K
128K
Max Output Tokens
8,192
32,768
Arena ELO
1,270
1,260
Coding ELO
1,300
1,270
TTFT (ms)
150
180
Tokens/sec
100
105
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 o4-mini

o4-mini excels at general-purpose, reasoning, coding tasks.

Strengths:

  • Affordable
  • Fast
  • Good reasoning

Best for:

general-purposereasoningcoding

Related Comparisons

Claude 3.5 Sonnet vs Claude Opus 4Claude Opus 4 vs o4-miniClaude 3.5 Sonnet vs Gemini 2 5 ProGemini 2 5 Pro vs o4-miniClaude 3.5 Sonnet vs O3O3 vs o4-miniClaude 3.5 Sonnet vs Deepseek R1Deepseek R1 vs o4-miniClaude 3.5 Sonnet vs O1O1 vs o4-miniClaude 3.5 Sonnet vs Qwen 3 235bo4-mini vs Qwen 3 235bClaude 3.5 Sonnet vs Gemini Exp 1206Gemini Exp 1206 vs o4-miniClaude 3.5 Sonnet vs Gpt 4 5Gpt 4 5 vs o4-miniClaude 3.5 Sonnet vs Groq Deepseek R1Groq Deepseek R1 vs o4-miniClaude 3.5 Sonnet vs Llama 4 MaverickLlama 4 Maverick vs o4-mini