Side-by-side · API pricing
o3-pro vs gpt-5-pro
o3-pro and gpt-5-pro pricing data is being verified. ModelPriceLab tracks both daily — sign up for alerts when either changes.
OpenAI · OpenAI · Verified daily.
Model A
o3-pro
OpenAI
- Input / 1M
- -
- Output / 1M
- $80.00
- Context window
- —
- Platforms tracked
- 1
Model B
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.
o3-pro
- openrouter- / $80.00
gpt-5-pro
- openrouter- / $120.00
Frequently asked questions
- Which is cheaper, o3-pro or gpt-5-pro?
- o3-pro and gpt-5-pro 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 o3-pro and gpt-5-pro 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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