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o1 vs Claude 3 Opus

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OpenAI · 200k context | Anthropic · 200k context

Pricing Comparison

Metric	o1	Claude 3 Opus
Input / 1M tokens	$15	$15
Output / 1M tokens	$60	$75
Cached input / 1M	$7.5	$1.5
Context window	200k	200k
Provider	OpenAI	Anthropic

Cost Calculator

Input tokens

Output tokens

Requests/day

💰 o1 saves $2,250.00/month (14% cheaper)

Oo1CHEAPER

Per request$0.0450

Daily$450.00

Monthly$13,500.00

Yearly$164,250.00

AClaude 3 Opus

Per request$0.0525

Daily$525.00

Monthly$15,750.00

Yearly$191,625.00

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Choose o1 when…

✓ Cheaper for generation-heavy workloads (lower output cost)
✓ Optimized for: Hard reasoning problems

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Choose Claude 3 Opus when…

✓ Cheaper cached price ($1.5 vs $7.5/1M)
✓ Optimized for: Legacy complex workloads

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o1 vs GPT-5 o1 vs GPT-5 Mini o1 vs GPT-4.1 o1 vs GPT-4.1 Mini Claude 3 Opus vs GPT-5 Claude 3 Opus vs GPT-5 Mini