gpt-5.3-codex-spark
Input $0.36 USD · Output $2.81 USD / 1M tokens
chat comparison
gpt-5.3-codex-sparkvsgpt-5.6-luna
Compare the things that matter before you build: current price, capabilities, and observed LLM7 usage.
Current pricing
See the cost difference clearly
gpt-5.6-luna
Input $0.31 USD · Output $1.81 USD / 1M tokens
Minimum request: $0.0002 USD
What's different
Only capabilities that differ between these models are listed. Green highlights the broader supported option or larger context window.
Input formats
gpt-5.3-codex-spark
text
gpt-5.6-luna
text, image
Vision
gpt-5.3-codex-spark
Not supported
gpt-5.6-lunaBetter fit
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
$0.0036
Output estimate
$0.007025
Estimated total
$0.010625
Cost calculator
Adjust the volume to see an instant estimate at the current public price.
01M
Input estimate
$0.0031
Output estimate
$0.004525
Estimated total
$0.007625
Quick take
- gpt-5.6-luna supports image input while the other model does not.