o3 MiniOpenAI
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Claude 4 SonnetAnthropic
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o3 Mini vs Claude 4 Sonnet
o3 Mini uses explicit chain-of-thought reasoning, while Claude 4 Sonnet employs implicit reasoning in its architecture. Both approach complex problems differently.
| Feature | o3 Mini | Claude 4 Sonnet |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Reasoning Style | Explicit (thinking tokens) | Implicit |
| Context Window | 200K tokens | 200K tokens |
| Max Output | 100K tokens | 8K tokens |
| Input Price / 1M tokens | $1.10 | $3.00 |
Our Verdict
o3 Mini is cheaper and better at step-by-step reasoning tasks like math and logic. Claude 4 Sonnet excels at coding, long-form analysis, and tasks requiring contextual understanding.
Frequently Asked Questions
Why does o3 Mini have such a large max output?
o3 Mini can output up to 100K tokens because its reasoning process generates internal "thinking" tokens that are part of the output. This allows for very detailed, step-by-step reasoning.
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