Claude Opus 4.5 vs o1: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
Anthropic
Claude Opus 4.5
Pricing (per 1M tokens)
Input$5.00
Output$25.00
Cached Input$0.5000
Batch Input$2.50
Batch Output$12.50
Context & Output
Context Window200K tokens
Max Output64K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
OpenAI
o1
Pricing (per 1M tokens)
Input$15.00
Output$60.00
Cached Input$7.50
Batch Input$7.50
Batch Output$30.00
Context & Output
Context Window200K tokens
Max Output100K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Claude Opus 4.5
66.7% cheaper
Cheaper Output Price
Claude Opus 4.5
58.3% cheaper
Larger Context Window
o1
+0 tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
Claude Opus 4.5
$30.00
$5.00/1M input + $25.00/1M output
o1
$75.00
$15.00/1M input + $60.00/1M output
Claude Opus 4.5 is 60.0% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Claude Opus 4.5 or o1?
For input tokens, Claude Opus 4.5 is cheaper at $5.00 per 1M tokens. For output tokens, Claude Opus 4.5 is cheaper at $25.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Claude Opus 4.5 vs o1?
Claude Opus 4.5 has a context window of 200K tokens, while o1 has 200K tokens. Claude Opus 4.5 supports a larger context window of 200K tokens, which is beneficial for processing longer documents.
How do Claude Opus 4.5 and o1 compare for batch processing?
Both models support batch processing with discounted rates. Claude Opus 4.5 offers a better batch rate at $2.50 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.
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