o3 vs Claude Sonnet 4: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
OpenAI
o3
Pricing (per 1M tokens)
Input$2.00
Output$8.00
Cached Input$0.5000
Batch Input$1.00
Batch Output$4.00
Context & Output
Context Window200K tokens
Max Output100K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
Anthropic
Claude Sonnet 4
Pricing (per 1M tokens)
Input$3.00
Output$15.00
Cached Input$0.3000
Batch Input$1.50
Batch Output$7.50
Context & Output
Context Window200K tokens
Max Output64K tokens
Capabilities
Categorymid
Multimodaltext + image
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
o3
33.3% cheaper
Cheaper Output Price
o3
46.7% cheaper
Larger Context Window
Claude Sonnet 4
+0 tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
o3
$10.00
$2.00/1M input + $8.00/1M output
Claude Sonnet 4
$18.00
$3.00/1M input + $15.00/1M output
o3 is 44.4% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, o3 or Claude Sonnet 4?
For input tokens, o3 is cheaper at $2.00 per 1M tokens. For output tokens, o3 is cheaper at $8.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of o3 vs Claude Sonnet 4?
o3 has a context window of 200K tokens, while Claude Sonnet 4 has 200K tokens. o3 supports a larger context window of 200K tokens, which is beneficial for processing longer documents.
How do o3 and Claude Sonnet 4 compare for batch processing?
Both models support batch processing with discounted rates. o3 offers a better batch rate at $1.00 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.
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