claude-opus-5
Input $2.50 USD · Output $12.50 USD / 1M tokens
chat comparison
claude-opus-5vsgpt-5.3-codex-spark
Compare the things that matter before you build: current price, capabilities, and observed LLM7 usage.
Current pricing
See the cost difference clearly
gpt-5.3-codex-spark
Input $0.36 USD · Output $2.81 USD / 1M tokens
What's different
Only capabilities that differ between these models are listed. Green highlights the broader supported option or larger context window.
Context window
claude-opus-5Better fit
1,000,000 tokens
gpt-5.3-codex-spark
400,000 tokens
Input formats
claude-opus-5
text, image
gpt-5.3-codex-spark
text
Vision
claude-opus-5Better fit
Supported
gpt-5.3-codex-spark
Not supported
Estimate your workload
Try the same request volume against both public price lists.
Cost calculator
Adjust the volume to see an instant estimate at the current public price.
01M
Input estimate
$0.025
Output estimate
$0.03125
Estimated total
$0.05625
Cost calculator
Adjust the volume to see an instant estimate at the current public price.
01M
Input estimate
$0.0036
Output estimate
$0.007025
Estimated total
$0.010625
Quick take
- claude-opus-5 has a larger context window.
- claude-opus-5 supports image input while the other model does not.