Side-by-side · API pricing
gpt-5-pro vs o3
gpt-5-pro and o3 pricing data is being verified. ModelPriceLab tracks both daily — sign up for alerts when either changes.
OpenAI · OpenAI · Verified daily.
Model A
gpt-5-pro
OpenAI
- Input / 1M
- -
- Output / 1M
- $120.00
- Context window
- —
- Platforms tracked
- 1
Per-platform pricing
Both models tracked across official and reseller platforms. Lowest input price wins on cost-sensitive workloads.
gpt-5-pro
- openrouter- / $120.00
o3
- openrouter- / $8.00
Frequently asked questions
- Which is cheaper, gpt-5-pro or o3?
- gpt-5-pro and o3 pricing data is being verified. ModelPriceLab tracks both daily — sign up for alerts when either changes.
- Where does this comparison data come from?
- ModelPriceLab crawls official vendor pricing pages and verified third-party platforms daily. Both gpt-5-pro and o3 are tracked on the same schedule.
- Can I get notified when either price changes?
- Yes — Pro subscribers receive email alerts when input or output prices change for any tracked model.
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