Claude Haiku 4.5 vs o3

Claude Haiku 4.5 costs 1.6x less per output token.

Which Is Cheaper?

At 1M tokens/mo

Claude Haiku 4.5: $3

o3: $5

At 10M tokens/mo

Claude Haiku 4.5: $30

o3: $50

At 100M tokens/mo

Claude Haiku 4.5: $300

o3: $500

Which Performs Better?

TestClaude Haiku 4.5o3
Structured Output——
Strategic Analysis——
Constrained Rewriting——
Creative Problem Solving——
Tool Calling——
Faithfulness——
Classification——
Long Context——
Safety Calibration——
Persona Consistency——
Agentic Planning——
Multilingual——
Full Claude Haiku 4.5 profile →Full o3 profile →
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