GPT-4o vs Claude Opus 4.5: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
OpenAI
GPT-4o
Pricing (per 1M tokens)
Input$2.50
Output$10.00
Cached Input$1.25
Batch Input$1.25
Batch Output$5.00
Context & Output
Context Window128K tokens
Max Output16.4K tokens
Capabilities
Categorymid
Multimodaltext + image + audio
Fine-tuningYes
StreamingYes
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
Quick Verdict
Cheaper Input Price
GPT-4o
50.0% cheaper
Cheaper Output Price
GPT-4o
60.0% cheaper
Larger Context Window
Claude Opus 4.5
+72K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
GPT-4o
$12.50
$2.50/1M input + $10.00/1M output
Claude Opus 4.5
$30.00
$5.00/1M input + $25.00/1M output
GPT-4o is 58.3% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, GPT-4o or Claude Opus 4.5?
For input tokens, GPT-4o is cheaper at $2.50 per 1M tokens. For output tokens, GPT-4o is cheaper at $10.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-4o vs Claude Opus 4.5?
GPT-4o has a context window of 128K tokens, while Claude Opus 4.5 has 200K tokens. Claude Opus 4.5 supports a larger context window of 200K tokens, which is beneficial for processing longer documents.
How do GPT-4o and Claude Opus 4.5 compare for batch processing?
Both models support batch processing with discounted rates. GPT-4o offers a better batch rate at $1.25 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.
Need more tools?
Explore our complete suite of LLM calculators and comparison tools.