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Claude 3.5 Haiku vs o3-mini: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Claude 3.5 Haiku and o3-mini across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude 3.5 Haikuo3-mini
ProviderAnthropicOpenAI
Input Price / 1M tokens$0.800$1.10
Output Price / 1M tokens$4.00$4.40
Context Window
200K
128K
Max Output Tokens
8,192
65,536
Arena ELO
1,220
1,280
Coding ELO
1,250
1,285
TTFT (ms)
150
350
Tokens/sec
100
25
MultimodalNoNo
JSON ModeYesYes
Function CallingYesNo
VisionNoNo
When to Use Claude 3.5 Haiku

Claude 3.5 Haiku excels at cost-effective, coding, fast-inference tasks.

Strengths:

  • Very cheap
  • Fast
  • Large context

Best for:

cost-effectivecodingfast-inference
When to Use o3-mini

o3-mini excels at reasoning, math, general-purpose tasks.

Strengths:

  • Strong reasoning
  • Good math skills
  • Affordable reasoning

Best for:

reasoningmathgeneral-purpose

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